WO2021184240A1 - 一种精细陶瓷弹性模量无损检测方法、装置及存储介质 - Google Patents

一种精细陶瓷弹性模量无损检测方法、装置及存储介质 Download PDF

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WO2021184240A1
WO2021184240A1 PCT/CN2020/079916 CN2020079916W WO2021184240A1 WO 2021184240 A1 WO2021184240 A1 WO 2021184240A1 CN 2020079916 W CN2020079916 W CN 2020079916W WO 2021184240 A1 WO2021184240 A1 WO 2021184240A1
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sample
ultrasonic
elastic modulus
testing
data
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PCT/CN2020/079916
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English (en)
French (fr)
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黄建平
谢悦增
林克辉
余海龙
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东莞市唯美陶瓷工业园有限公司
江西和美陶瓷有限公司
广东家美陶瓷有限公司
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Priority to JP2021540540A priority Critical patent/JP7317974B2/ja
Priority to PCT/CN2020/079916 priority patent/WO2021184240A1/zh
Priority to US17/421,603 priority patent/US11867667B2/en
Publication of WO2021184240A1 publication Critical patent/WO2021184240A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4472—Mathematical theories or simulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/405—Investigating hardness or rebound hardness by determining the vibration frequency of a sensing element in contact with the specimen
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/015—Attenuation, scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Definitions

  • the invention relates to the technical field of fine ceramic elastic modulus detection, in particular to a method, device and storage medium for non-destructive detection of fine ceramic elastic modulus.
  • the technical problem to be solved by the present invention is to provide a method, device and storage medium for non-destructive testing of the elastic modulus of fine ceramics in view of the above-mentioned defects of the prior art, aiming to solve the problem that large-size fine ceramics in the prior art are performing elastic modulus testing. At this time, the material itself will be destroyed and cannot be reused, and the measured data will also have large errors.
  • a method for non-destructive testing of the elastic modulus of fine ceramics which includes:
  • a data model is established or substituted into a pre-established data model according to the ultrasonic testing data and the rebound testing data to obtain the elastic modulus characterization data of the sample.
  • the controlled complete fine ceramic enters the first detection position, fixes the sample, and controls the ultrasonic detector to be adjusted to the specified position of the sample, performs ultrasonic inspection on the sample, and collects ultrasonic inspection data, which also includes:
  • the fine ceramic elastic modulus nondestructive testing system includes an automatic control testing mechanism and a data processing mechanism
  • the automatic control testing mechanism includes a sample mounting assembly and a springback testing assembly.
  • the fully controlled fine ceramic enters the first detection position, fixes the sample, and controls the ultrasonic detector to adjust to the specified position of the sample, performs ultrasonic inspection on the sample, and collects ultrasonic inspection data, which specifically includes:
  • the fine ceramic is fixed in the sample mounting assembly, the ultrasonic transmitter and the ultrasonic receiver of the ultrasonic detector are controlled, and the ultrasonic transmitter and the ultrasonic receiver are adjusted to the detection of two opposite sides of the fine ceramic Point;
  • the ultrasonic detector is communicatively connected with the data processing mechanism to detect the time difference, wave velocity, and amplitude data at the moment when the transmitting probe and the receiving probe of the ultrasonic detector receive signals, and use the time difference, wave velocity, and amplitude data as ultrasonic testing data Conduct collection
  • Inspection points set at equal intervals on the center line of the thickness direction on each side of the fine ceramics
  • the rebound measuring rod is controlled to be vertically aligned with the detection points, the rebound value detection is performed on each detection point, and the rebound detection data of each side of the sample is collected.
  • establishing a data model or substituting a pre-established data model based on the ultrasonic testing data and springback testing data to obtain the elastic modulus characterization data of the sample specifically includes:
  • the sample is pretreated before the test, and the pretreatment steps are as follows:
  • the average value of the read ultrasonic width direction velocity V L is taken as the effective value of the ultrasonic width direction velocity of the sample
  • the average value of the ultrasonic thickness direction velocity V h is taken as the effective value of the ultrasonic thickness direction velocity of the sample
  • the average value of the rebound value R is used as the effective rebound value of the sample.
  • E is the modulus of elasticity, the unit is GPa;
  • A is the coefficient factor, and its value range is: e 1.1 to e 3.4 ;
  • B is the sonic factor, and its value range is: 0 ⁇ 2.7;
  • C is the resilience factor, and its value range is: 0 ⁇ 1.0;
  • V L is the ultrasonic width direction velocity, the unit is m/s;
  • V h is the velocity in the thickness direction of the ultrasonic, in m/s;
  • R is the rebound value
  • the method for non-destructive testing of the elastic modulus of fine ceramics further includes:
  • the elastic modulus E is calculated and analyzed by using the established data model
  • a device including a memory, a processor, and a fine ceramic elastic modulus nondestructive testing program stored on the memory and running on the processor, When the fine ceramic elastic modulus non-destructive testing program is executed by the processor, the steps of the fine ceramic elastic modulus non-destructive testing method as described in the above item are realized.
  • a storage medium wherein the storage medium stores a computer program, and the computer program can be executed to realize the elastic modulus of fine ceramics as described above Non-destructive testing methods.
  • the present invention provides a method, device and storage medium for non-destructive testing of the elastic modulus of fine ceramics.
  • the method for non-destructive testing of the elastic modulus of fine ceramics includes: controlling the complete fine ceramics to enter the first detection position, and The sample is fixed, and the ultrasonic detector is controlled to adjust to the designated position of the sample, the sample is ultrasonically tested, and the ultrasonic testing data is collected; the sample is adjusted to the second detection position, and the sample is tested for rebound and rebound is collected Testing data; establishing a data model or substituting a pre-established data model according to the ultrasonic testing data and springback testing data to obtain the elastic modulus characterization data of the sample.
  • the sample of the present invention does not need to be cut into small-size samples, and does not need to be damaged.
  • the intact fine ceramics are directly non-destructively tested without destroying the material itself, which improves the accuracy of the measured data and avoids the sample The damage, to realize the reuse of the sample.
  • Fig. 1 is a flowchart of a preferred embodiment of the method for non-destructive testing of the elastic modulus of fine ceramics in the present invention.
  • Figure 2 is a schematic diagram of ultrasonic testing in a preferred embodiment of the non-destructive testing method for the elastic modulus of fine ceramics in the present invention.
  • Fig. 3 is a functional block diagram of a preferred embodiment of the device in the present invention.
  • the traditional destructive test for detecting elastic modulus uses random sampling, systematic sampling and other types of sampling methods to select samples for testing.
  • the test data is used as an indicator of the true strength of batch materials, and there is a certain probability or error. .
  • the testing elastic modulus is in accordance with GB/T 10700-2006 "Fine Ceramics Elastic Modulus Test Method" According to the requirements specified in, it is necessary to make a test sample of the specified size.
  • the sample size requires high precision, the sample preparation process is complicated and cumbersome, and the manual operation and equipment accuracy requirements are high. It is greatly affected by the sample preparation process conditions or process; the test results may be larger than the performance of the material itself. The detection error can not truly characterize the elastic modulus of the material.
  • the present invention provides a method, device and storage medium for non-destructive testing of the elastic modulus of fine ceramics.
  • Ultrasonic rebound method is used to detect the elastic modulus of inorganic non-metallic plates, and a non-destructive testing model with dual parameters of ultrasonic rebound and elastic modulus of non-metallic materials is established, and the following problems are solved:
  • the present invention solves the problems of cumbersome detection process and long detection period, and avoids the influence caused by irregular processing of samples; at the same time, it does not need to perform destructive sample preparation such as cutting for large-size samples, and performs non-destructive testing of samples , To ensure the accuracy of the elastic modulus of fine ceramics.
  • the non-destructive testing method used in the present invention can expand the sample capacity and even perform 100% sampling, solve the problem of insufficient representativeness of the sample for the overall performance of the product due to the small number of samplings, and realize the detection after the product has been put into use. .
  • the method of the present invention can realize the direct detection of the elastic modulus of the material without destroying the original characteristics of the material, which not only ensures the accuracy of the detection result, but also ensures that the material to be tested can be used normally.
  • This method has a positive role in promoting the quality control of fine ceramic materials in the production process, the selection of materials and the quality monitoring in the use process, and it has a positive significance in promoting the technological progress of the industry.
  • Figure 1 is a flow chart of a method for non-destructive testing of elastic modulus of fine ceramics provided by the present invention.
  • the method for non-destructive testing of elastic modulus of fine ceramics includes:
  • the method further includes:
  • the fine ceramic elastic modulus non-destructive testing system includes an automatic control testing mechanism and a data processing mechanism.
  • the automatic control detection mechanism includes a sample mounting component and a springback detection component.
  • the present invention first constructs an ultrasonic nondestructive testing system for the elastic modulus of fine ceramics based on dual parameters of ultrasonic and rebound.
  • the system includes: automatic control detection mechanism and data processing mechanism.
  • the automatic detection module further includes: a sample installation component and a detection component.
  • the fine ceramics to be tested have not undergone any cutting treatment; that is to say, the complete fine ceramics refer to fine ceramics of any shape and size. Ceramics are directly tested for the elastic modulus; this effectively guarantees the accuracy of the elastic modulus testing of fine ceramics, and will not damage the fine ceramic samples, avoiding waste of resources after the fine ceramic samples are tested.
  • the first detection position is the position where the ultrasonic data detection is performed.
  • the complete fine ceramic sample is first entered into the sample mounting assembly, and the sample mounting assembly controls the sample to enter the first Detection location.
  • the step S100 specifically includes:
  • Step S110 Put the fine ceramic into the sample mounting assembly for fixation, control the ultrasonic transmitter and the ultrasonic receiver of the ultrasonic detector, and adjust the ultrasonic transmitter and the ultrasonic receiver to the two opposite sides of the fine ceramic On the detection point on the side;
  • Step S120 Connect the ultrasonic detector to the data processing mechanism to detect the time difference, wave velocity, and amplitude data at the moment when the transmitting probe and the receiving probe of the ultrasonic detector receive signals, and the time difference, wave velocity, and amplitude data are used as ultrasonic Collection of detection data;
  • Step S130 ultrasonic testing is performed on the points to be tested on each side of the sample.
  • the sample 10 is fixed at the first detection position.
  • the ultrasonic transmitting probe 1 and the ultrasonic receiving probe 2 of the ultrasonic detector are set relative to each other.
  • Step a After the sample enters the first detection position and is fixed.
  • Step b Perform corresponding automatic adjustment of the ultrasonic detector, connect the ultrasonic transmitting probe and the supersound receiving probe to the two ends of the ultrasonic detector respectively, and adjust the ultrasonic transmitting probe and the supersonic receiving probe to the sample
  • Step c Connect the ultrasonic detector to the data processing mechanism to detect the time difference, wave velocity, and amplitude data at the moment when the transmitter probe and the receiver probe of the ultrasonic detector receive signals.
  • the time difference, wave speed, and amplitude data are collected as ultrasonic testing data; finally, repeat steps b and c to perform ultrasonic testing on each side of the sample to obtain more ultrasonic testing data for the sample, which is helpful to further improve the detection accuracy .
  • the distance between the two measurement points should be at least 20 mm, and the detection points are evenly distributed on each side, which further provides detection accuracy.
  • Step S200 Adjust the sample to the second detection position, perform springback detection on the sample, and collect springback detection data
  • the position of the sample is not the same in the ultrasonic detection and the rebound detection in the present invention.
  • the position of the sample during the rebound detection is usually set to be the relatively upper end of the position of the sample during the ultrasonic detection.
  • the step S200 specifically includes:
  • Step S210 adjusting the fine ceramic to the same horizontal plane as the rebound measuring rod of the rebound detecting component
  • Step S220 detecting points arranged at equal intervals on the center line of the thickness direction on each side of the fine ceramic
  • Step S230 Control the rebound measuring rod to vertically align with the detection point, perform rebound value detection on each detection point, and collect rebound detection data on each side of the sample.
  • the springback detection of the sample is performed after ultrasonic testing, and after the ultrasonic testing of the sample is completed, the position of the sample is adjusted by automatically controlling the sample mounting assembly in the testing mechanism to adjust the fine ceramic to the springback detection assembly.
  • the elastic measuring rods are in the same horizontal position; that is, the rebound measuring rods are vertically aligned with the equally spaced detection points on the center line of the thickness direction on the fine ceramic side; the distance between the detection points should be at least 20mm and evenly distributed on the side; After setting the detection point, the rebound tester automatically adjusts and vertically aligns the test point of the sample, detects the rebound value of each detection point on each side of the sample, and obtains the side rebound value parameter, which is Rebound detection data to further improve detection accuracy.
  • S300 Establishing a data model or substituting a pre-established data model according to the ultrasonic testing data and the springback testing data to obtain the elastic modulus characterization data of the sample.
  • step S300 specifically includes:
  • the automatic control detection module obtains the ultrasonic detection data and the rebound detection data, and enters them into the data processing module;
  • S320 Establishing a data model or substituting a pre-established data model, converting the formula and the corresponding quantity, and obtaining the elastic modulus characterization data of the sample.
  • the rebound detection data (rebound value) and ultrasonic detection data (speed in the width direction of the ultrasonic wave and the thickness direction of the ultrasonic wave) of the fine ceramic sample obtained by the automatic control detection mechanism are input into the data processing mechanism, and the data processing mechanism is based on the rebound
  • the test data and ultrasonic test data establish a data model, or the springback test data and ultrasonic test data are substituted into the existing data model, the formula and the corresponding quantity are converted, and the elastic modulus characterization data of the sample is finally obtained.
  • the fine ceramic sample needs to be pretreated before the elastic modulus testing; it should be noted that the above-mentioned test
  • Such pretreatment is not a destructive pretreatment, that is, it is not a destructive cutting pretreatment of the sample, thereby avoiding the damage of the fine ceramic sample, and realizing the non-destructive testing of the elastic modulus of the fine ceramic sample.
  • the pretreatment step of the fine ceramic samples is: selecting at least 5 groups of samples with different mechanical properties from the fine ceramics to be tested, and the number of samples for each group of fine ceramics with mechanical properties is at least 8.
  • the selected sample is placed in an environment with a temperature of 20°C ⁇ 2°C and a relative humidity of 60% ⁇ 5%, and is allowed to stand for 48 hours to obtain the sample.
  • the pretreatment is not a destructive pretreatment, that is, it is not a destructive cutting pretreatment of the sample, thereby avoiding the damage of the fine ceramic sample, and realizing the non-destructive testing of the elastic modulus of the fine ceramic sample.
  • the specific steps of ultrasonic testing and rebound testing for each sample are as follows:
  • the average value of the read ultrasonic width direction velocity V L is taken as the effective value of the ultrasonic width direction velocity of the sample
  • the average value of the ultrasonic thickness direction velocity V h is taken as the effective value of the ultrasonic thickness direction velocity of the sample
  • the average value of the rebound value R is used as the effective rebound value of the sample.
  • the detection points on the fine ceramic sample in the present invention are evenly distributed on each side, and each detection point is arranged at equal intervals, and each detection point is only subjected to one ultrasonic test and one rebound test. This guarantees accurate detection of each surface of the sample, and avoids interfering with the detection results caused by multiple detection points.
  • the data model is:
  • E is the modulus of elasticity, the unit is GPa; A is the coefficient factor, and its value range is: e 1.1 to e 3.4 ; B is the acoustic wave factor, and its value range is: 0 to 2.7; C is the rebound factor, Its value range is: 0 ⁇ 1.0; V L is the ultrasonic width direction velocity, the unit is m/s; V h is the ultrasonic thickness direction velocity, the unit is m/s; R is the rebound value.
  • the method for non-destructive testing of the elastic modulus of fine ceramics further includes:
  • the elastic modulus E is calculated and analyzed by using the established data model
  • a regression analysis sample is formed by testing according to the mechanical performance level, and the relationship curve between rebound and ultrasonic testing of the elastic modulus of fine ceramic materials is fitted and established. Then perform data processing: Obtain the effective values of the rebound value R and the ultrasonic propagation velocity V (ultrasonic width direction velocity V L and ultrasonic thickness direction velocity V h ) of each measuring point during the detection process, and take the average value as the sample rebound value.
  • Use regression equation to calculate and analyze the elastic modulus value E; b. Obtain the effective value of the elastic modulus value E of each sample in the group, and take the arithmetic mean value as the elastic modulus representative of the group of samples The value E'.
  • the present invention has the following advantages: First, the elastic modulus of the fine ceramic material can be detected without destroying the original material and shape of the fine ceramic material. Second, the present invention does not destroy the original characteristics of the material, but can also obtain results in a short time for relevant personnel to judge, which is beneficial to the continuity of production and improves the production efficiency; it can also make the material in the process of use , To better achieve "use the best", reduce the risk of use, and reduce the waste of resources. Third, the present invention can perform detection during the use of the material, evaluate whether the material is damaged or decrease in strength during the use, and provide an effective evaluation reference for the safety status during the use of the material.
  • the rebound tester will automatically adjust and align the test point of the specimen vertically, and detect the rebound value of the test points on each surface to obtain the rebound value parameters of the specimen;
  • the tested samples are tested for elastic modulus in accordance with the standard GB/T 10700-2006 "Fine Ceramic Elastic Modulus Test Method" to obtain the effective value of its elastic modulus E, and the rebound value of each group of fine ceramic samples is R,
  • the corresponding test data of ultrasonic velocities V L and V h and elastic modulus E are shown in Table 1.
  • V L The velocity in the width direction of the ultrasonic wave, in m/s
  • V h ultrasonic thickness direction velocity
  • the present invention also provides a device, which includes a memory 20, a processor 10, and a fine ceramic elastic modulus nondestructive testing program stored on the memory 20 and running on the processor 10
  • a device which includes a memory 20, a processor 10, and a fine ceramic elastic modulus nondestructive testing program stored on the memory 20 and running on the processor 10
  • the program for non-destructive testing of the elastic modulus of fine ceramics is executed by the processor, the steps of the method for non-destructive testing of the elastic modulus of fine ceramics as described above are implemented; the details are as described above.
  • the present invention also provides a storage medium, wherein the storage medium stores a computer program, and the computer program can be executed to implement the method for non-destructive testing of the elastic modulus of fine ceramics as described above; specifically as described above.
  • the non-destructive testing method, device and storage medium for the elastic modulus of fine ceramics disclosed in the present invention use the elasticity value and the ultrasonic Velocity calculation infers the elastic modulus of fine ceramic materials; realizes non-destructive testing of samples, and further obtains higher precision and correlation.
  • the sample capacity of the sample can be expanded to obtain related formulas.

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Abstract

一种精细陶瓷弹性模量无损检测方法、装置及存储介质，该精细陶瓷弹性模量无损检测方法包括：控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据；将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；根据超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据。该方法中的试样无需切割成小尺寸的试样，也无需损坏，直接对完整的精细陶瓷进行无损检测，不会对材料本身进行破坏，提高了测得数据的准确性，也避免了试样的损伤，实现试样的再次利用。

Description

一种精细陶瓷弹性模量无损检测方法、装置及存储介质 技术领域
本发明涉及精细陶瓷弹性模量检测技术领域，尤其涉及的是一种精细陶瓷弹性模量无损检测方法、装置及存储介质。
背景技术
针对精细陶瓷材料弹性模量的表征，目前主要采用破坏性检测手段或方法进行，现有大部分精细陶瓷材料弹性模量检测设备并不适用于大尺寸的试样，只能通过对试样进行加工得到合适尺寸的样品才能进行检测；即，需要将精细陶瓷材料本身进行切割，再对切割出来的小尺寸材料进行检测，这样就造成了大尺寸产品本身被破坏，也使得待测样品经破坏性检测后，无法再利用，造成了极大的浪费。另外，这样的有损检测会破坏材料本身的性能，其检测结果与材料本身的性能比较，可能会产生较大的检测误差，从而不能真实的表征材料弹性模量。
因此，现有技术存在缺陷，有待改进与发展。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述缺陷，提供精细陶瓷弹性模量无损检测方法、装置及存储介质，旨在解决现有技术中的大尺寸精细陶瓷在进行弹性模量检测时，会对材料本身进行破坏，无法再利用，测得的数据也存在较大误差的问题。
本发明解决技术问题所采用的技术方案如下：一种精细陶瓷弹性模量无损检测方法，其包括：
控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据；
将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；
根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据。
进一步的，所述控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据，之前还包括：
预先构建基于超声波和回弹双参数的精细陶瓷弹性模量无损检测***；
其中，所述精细陶瓷弹性模量无损检测***包括自动控制检测机构和数据处理机构，所述自动控制检测机构包括样品安装组件和回弹检测组件。
进一步的，所述控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据，具体包括：
将所述精细陶瓷进入样品安装组件中进行固定，控制超声检测仪的超声发射器和超声接收器，并将所述超声发射器和超声接收器调节至所述精细陶瓷的两个相对侧面的检测点上；
将所述超声检测仪与所述数据处理机构通讯连接，检测超声检测仪的发射探头和接收探头接收信号瞬间的时间差、波速、波幅数据，并将所述时间差、波速、波幅数据作为超声检测数据进行采集；
对试样各侧面上的待测点进行超声检测。
进一步的，所述将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；
将精细陶瓷调节至于回弹检测组件的回弹测杆同一水平面的位置；
在精细陶瓷各侧面上厚度方向中心线上等间隔设置的检测点；
控制所述回弹测杆垂直对准检测点，对各个检测点进行回弹值检测，采集试样各个侧面的回弹检测数据。
进一步的，所述根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据，具体包括：
自动控制检测机构获得所述超声检测数据和回弹检测数据，录入数据处理机构；
建立数据模型或代入预先建立的数据模型，进行公式和对应量转换，获得试样弹性模量表征数据。
进一步的，试样在检测之前进行预处理，预处理的步骤为：
在待测的精细陶瓷中选取至少5组不同力学性能的试样，每组力学性能的精细陶瓷的试样数量为至少8个，将选取的试样放置于温度为20℃±2℃、相对湿度为60％±5％的环境中，静置养护48h，获得试样；
对于每个试样的超声检测和回弹检测具体步骤为：
预先在每个试样的每个侧面上均匀选取等间距分布的至少8个检测点；
对检测点进行一次超声检测，获得每个检测点的超声波宽度方向速度V L和超声波厚度方向速度V h；
对检测点进行一次回弹检测得到每个回弹值R；
将读取的超声波宽度方向速度V L的平均值作为该试样的超声波宽度方向速度有效值，将超声波厚度方向速度V h的平均值作为该试样的超声波厚度方向速度有效值，以及将回弹值R的平均值作为该试样的回弹有效值。
进一步的，所述数据模型为
Figure PCTCN2020079916-appb-000001
其中，
E为弹性模量，单位为GPa；
A为系数因子，其取值范围为：e 1.1～e 3.4；
B为声波因子，其取值范围为：0～2.7；
C为回弹因子，其取值范围为：0～1.0；
V L为超声波宽度方向速度，单位为m/s；
V h为超声波厚度方向速度，单位为m/s；
R为回弹值。
进一步的，所述精细陶瓷弹性模量无损检测方法还包括：
按照力学性能等级进行检测形成回归分析样本，拟合建立回弹-超声波检测精细陶瓷弹性模量的关系曲线；
根据获得的回弹有效值和超声有效值，利用建立的数据模型计算分析获得弹性模量E；
获得每组每个试样的弹性模量E的有效数值，取算术平均值作为该组试样的弹性模量E’。
本发明解决技术问题所采用的又一技术方案如下：一种装置，其包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的精细陶瓷弹性模量无损检测程序，所述精细陶瓷弹性模量无损检测程序被所述处理器执行时实现如上项所述的精细陶瓷弹性模量无损检测方法的步骤。
本发明解决技术问题所采用的又一技术方案如下：一种存储介质，其中，所述存储介质存储有计算机程序，所述计算机程序能够被执行以用于实现如上所述的精细陶瓷弹性模量无损检测方法。
有益效果：本发明所提供的一种精细陶瓷弹性模量无损检测方法、装置及存储介质，所述精细陶瓷弹性模量无损检测方法，其包括：控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据；将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据。本发明的试样无需切割成小尺寸的试样，也无需损坏，直接对完整的精细陶瓷进行无损检测，不会对材料本身进行破坏，提高了测得数据的准确性，也避免了试样的损伤，实现试样的再次利用。
附图说明
图1是本发明中精细陶瓷弹性模量无损检测方法的较佳实施例的流程图。
图2是本发明中精细陶瓷弹性模量无损检测方法的较佳实施例中超声检测示意图。
图3是本发明中装置的较佳实施例的功能原理框图。
具体实施方式
为使本发明的目的、技术方案及优点更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
针对精细陶瓷弹性模量检测，目前主要参照标准GB/T 6569-2006《精细陶瓷弯曲强度试验方法》和GB/T 10700-2006《精细陶瓷弹性模量试验方法》中规定的采用破坏性检测方法进行，国内外还没有广泛接受的无损检测方法来表征其破弹性模量。而针对上表面面积大于或等于1.62m 2的精细陶瓷的材料，现有检测方法在实际操作过程中存在以下几方面的问题：
(1)现有大部分精细陶瓷材料弹性模量检测设备并不适用于大尺寸(如上表面面积≥1.62㎡的精细陶瓷板)的试样，只能通过对试样进行加工得到合适尺寸的样品才能进行检测，即对于大尺寸的精细陶瓷，需要从原试样中进行切割加工制样，进而已经破坏原精细陶瓷的弹性模量；而针对一些超高强度的精细陶瓷，受检测设备自身能力的限制，即使采用破坏性方法进行试验，也无法准确表征其弹性模量。
(2)传统检测弹性模量的破坏性试验，通过采用随机抽样、***性抽样等类型的抽样方法选取样品进行检测，其检测数据用作代表批量材料的真实强度指标，存在一定的概率或误差。
(3)现有大部分检测设备并不适用于大尺寸(如上表面面积≥1.62㎡的陶瓷板)的板材，其检测弹性模量按照GB/T 10700-2006《精细陶瓷弹性模量试验方法》中规定的要求，需要制作规定尺寸的检测样品。并且试样尺寸要求精度较高，制样过程复杂繁琐而且对人工操作及设备精度要求较高，受制样工艺条件或过程影响较大；其检测结果与材料本身的性能比较，可能会产生较大的检测误差，从而不能真实的表征材料的弹性模量。
(4)待测样品经破坏性检测后，无法再利用，造成了极大的浪费。对于大尺寸精细陶瓷材料，将会产生更大的浪费。
本发明则提供一种精细陶瓷弹性模量无损检测方法、装置及存储介质。采用超声波回弹法对无机非金属板的弹性模量进行检测，建立超声波回弹双参数与非金属材料弹性 模量的无损检测模型，并且解决了以下问题：
第一、解决了传统的精细陶瓷在进行破坏性的弹性模量检测后，材料将无法继续使用成为废弃物，造成了资源浪费、环境污染以及经济损失问题。
第二、传统的精细陶瓷进行弹性模量检测时，在产品尺寸不规则或者尺寸较大的情况下，需制作规定尺寸要求的标准测试样品。本发明解决整个检测过程繁琐、检测周期长的问题，并且避免加工处理的试样不规范而产生影响；同时，对于大尺寸试样不需进行切割等破坏性制样，对试样进行无损检测，保障了精细陶瓷弹性模量的精准性。
第三、本发明所采用的无损检测方法，可扩大样品容量甚至进行100％抽检，解决由于抽检数量少，试样对于产品整体性能代表性不足的问题，更可实现产品已投入使用后进行检测。
本发明的方法在不破坏材料原有特性的情况下可以实现对材料弹性模量的直接检测，既保证了检测结果的准确性，又保证了被检材料可以正常使用。该方法对精细陶瓷材料在生产过程中的质量控制、使用过程中材料的选择和质量监控，都具有积极的促进作用，同时对推动行业技术进步具有积极的意义。
请参阅图1，图1是本发明所提供的一种精细陶瓷弹性模量无损检测方法的流程图，所述精细陶瓷弹性模量无损检测方法包括：
S100、控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据；
在一种实现方式中，所述步骤S100之前还包括：
S11、预先构建基于超声波和回弹双参数的精细陶瓷弹性模量无损检测***；
其中，所述精细陶瓷弹性模量无损检测***包括自动控制检测机构和数据处理机构。
进一步的，所述自动控制检测机构包括样品安装组件和回弹检测组件。
具体的，本发明首先构建超声波基于超声波和回弹双参数的精细陶瓷弹性模量无损检测***。该***包括：自动控制检测机构和数据处理机构。所述自动检测模块又包括：样品安装组件和检测组件。
可以理解，通过本发明中提供的一种精细陶瓷弹性模量无损检测方法中，待检测的 精细陶瓷未进行任何切割处理；也就是说，完整的精细陶瓷就是指无论什么形状、什么尺寸的精细陶瓷，直接进行弹性模量的检测；进而有效的保障了精细陶瓷的弹性模量检测的精准性，更不会破坏精细陶瓷试样，避免精细陶瓷试样进行检测后出现资源浪费。
需要强调的是，所述第一检测位置即进行超声数据检测检测的位置，在进行检测时，首先将完整的精细陶瓷试样进入样品安装组件中，所述样品安装组件控制试样进入第一检测位置。
在一种较佳实施例中，所述步骤S100具体包括：
步骤S110、将所述精细陶瓷进入样品安装组件中进行固定，控制超声检测仪的超声发射器和超声接收器，并将所述超声发射器和超声接收器调节至所述精细陶瓷的两个相对侧面的检测点上；
步骤S120、将所述超声检测仪与所述数据处理机构通讯连接，检测超声检测仪的发射探头和接收探头接收信号瞬间的时间差、波速、波幅数据，并所述时间差、波速、波幅数据作为超声检测数据进行采集；
步骤S130、对试样各侧面上的待测点进行超声检测。
具体的，如图2所示，试样10固定在第一检测位置，图3中超声检测仪的超声发射探头1和超声接收探头2的位置相对设置。步骤a、试样在进入第一检测位置并固定好后。步骤b、对超声检测仪进行相应的自动调整，将超声发射探头和超神接收探头分别接入超声检测仪的两端，并将所述超声发射探头和超神接收探头调节至所述试样两相对侧面的检测点上；步骤c、将所述超声检测仪与所述数据处理机构通讯连接，检测超声检测仪的发射探头和接收探头接收信号瞬间的时间差、波速、波幅数据，并将所述时间差、波速、波幅数据作为超声检测数据进行采集；最后重复步骤b和步骤c，对试样每个侧面都进行超声检测，获得该试样更多超声检测数据，有利于进一步提升检测准确性。需要说明的是，两测点间隔应至少在20mm以上，并且所述检测点在每个侧面上均匀分布，更进一步提供检测准确性。
步骤S200、将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；
可以理解，所述本发明中超声检测和回弹检测时，样品位置并不相同，在一些实施例中回弹检测时试样的位置，通常设置为超声检测时试样的位置的相对上端。
在一些较佳实施例中，所述步骤S200具体包括：
步骤S210、将精细陶瓷调节至于回弹检测组件的回弹测杆同一水平面的位置；
步骤S220、在精细陶瓷各侧面上厚度方向中心线上等间隔设置的检测点；
步骤S230、控制所述回弹测杆垂直对准检测点，对各个检测点进行回弹值检测，采集试样各个侧面的回弹检测数据。
可以理解，试样的回弹检测在超声检测之后，在试样完成超声检测之后，通过自动控制检测机构中的样品安装组件调整试样的位置，将精细陶瓷调节至与回弹检测组件的回弹测杆同一水平面位置；即将所述回弹测杆垂直对准精细陶瓷侧面上厚度方向中心线上设置的等间隔的检测点；检测点间隔应至少在20mm以上，并且在侧面上均匀分布；设置好检测点后，回弹仪自动进行调整并垂直对准试样待测点，对试样每个侧面上的各个检测点进行回弹值检测，获得该侧边回弹值参数，即为回弹检测数据，进一步提升检测准确性。
S300、根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据。
在一种实现方式中，所述步骤S300具体包括：
S310、自动控制检测模块获得所述超声检测数据和回弹检测数据，录入数据处理模块；
S320、建立数据模型或代入预先建立的数据模型，进行公式和对应量转换，获得试样弹性模量表征数据。
可以理解，通过自动控制检测机构获得精细陶瓷试样的回弹检测数据(回弹值)和超声检测数据(超声波宽度方向速度和超声波厚度方向)录入数据处理机构，所述数据处理机构根据回弹检测数据和超声检测数据建立数据模型，或者将回弹检测数据和超声检测数据代入已有的数据模型，进行公式和对应量转换，最终获得试样弹性模量表征数据。
在一些较佳实施例中，本发明中提供的精细陶瓷弹性模量无损检测方法中，精细陶瓷试样在进行弹性模量检测之前，需要对试样进行预处理；需要说明的是，上述试样的预处理，并非破坏性预处理，即并不是对试样进行破坏性裁剪预处理，进而避免了精细陶瓷试样被损坏，实现精细陶瓷试样弹性模量无损检测。
具体的，所述精细陶瓷试样的预处理步骤为：在待测的精细陶瓷中选取至少5组不同力学性能的试样，每组力学性能的精细陶瓷的试样数量为至少8个，将选取的试样放置于温度为20℃±2℃、相对湿度为60％±5％的环境中，静置养护48h，获得试样。
也就是说，精细陶瓷的选样时，需要选取至少5组不同力学性能的试样，并且每组相同力学性能的试样至少8个；
在选取好试样后，对每个试样都放置于温度为20℃±2℃，相对湿度为60％±5％的环境中，静置养护48h，得到可进行弹性模量的试样；
可以理解，通过将试样静置于定温和定湿度环境中，进而保障了试样以相同状态进行弹性模量检测，提升了力学性能试样弹性模量检测结果的重复性；而且在试样的预处理，并非破坏性预处理，即并不是对试样进行破坏性裁剪预处理，进而避免了精细陶瓷试样被损坏，实现精细陶瓷试样弹性模量无损检测。
在另一些较佳实施例中，对每个试样的超声检测和回弹检测具体步骤为：
预先在每个试样的每个侧面上均匀选取等间距分布的至少8个检测点；
对检测点进行一次超声检测，获得每个检测点的超声波宽度方向速度V L和超声波厚度方向速度V h；
对检测点进行一次回弹检测得到每个回弹值R；
将读取的超声波宽度方向速度V L的平均值作为该试样的超声波宽度方向速度有效值，将超声波厚度方向速度V h的平均值作为该试样的超声波厚度方向速度有效值，以及将回弹值R的平均值作为该试样的回弹有效值。
可以理解，本发明中精细陶瓷试样上的检测点，均匀分布于每个侧面上，并且每个检测点之间等间距设置，并且每个检测点仅仅进行一次超声检测和一次回弹检测，即保障了精准检测试样每个面上，又避免多次检测检测点造成干扰检测结果。
在一些较佳实施例中，所述数据模型为：
Figure PCTCN2020079916-appb-000002
其中：E为弹性模量，单位为GPa；A为系数因子，其取值范围为：e 1.1～e 3.4；B为声波因子，其取值范围为：0～2.7；C为回弹因子，其取值范围为：0～1.0；V L为超声波宽度方向速度，单位为m/s；V h为超声波厚度方向速度，单位为m/s；R为回弹值。
在较佳实施例中，所述精细陶瓷弹性模量无损检测方法还包括：
按照力学性能等级进行检测形成回归分析样本，拟合建立回弹-超声波检测精细陶瓷弹性模量的关系曲线；
根据获得的回弹有效值和超声有效值，利用建立的数据模型计算分析获得弹性模量E；
获得每组每个试样的弹性模量E的有效数值，取算术平均值作为该组试样的弹性模量E’。
具体的，针对不同精细陶瓷材料，按照力学性能等级进行检测形成回归分析样本，拟合建立回弹-超声波检测精细陶瓷材料弹性模量的关系曲线。然后进行数据处理：检测过程中获得各测点回弹值R和超声波传播速度V(超声波宽度方向速度V L和超声波厚度方向速度V h)的有效值，分别以平均值作为该试样回弹值和超声波速度值，利用回归方程计算分析获得弹性模量值E；b、获得该组每块试样弹性模量值E的有效数值，取算术平均值作为该组试样的弹性模量代表值E’。
可知，本发明具有以下优点：第一、可在不破坏精细陶瓷材料原有材质和形状的情况下，对其弹性模量进行检测。第二、本发明既不破坏材料的原有特性，还能够在短时间内获得结果，以便相关人员进行判断，有利于生产的连续性，提高了生产效率；也可以使得材料在使用的过程中，更好的做到“物尽其用”，降低了使用风险，减少了资源浪费。第三、本发明可在材料使用过程中进行检测，评价材料在使用过程中是否出现损坏或者强度下降等情况，对材料使用过程中的安全状况提供有效的评价参考。
下面列举一种实施例，检测步骤如下：
a、取弹性模量范围在100GPa～600GPa，规格型号同为150mm×150mm的Al 2O 3精细陶瓷试样一批；
b、利用构建的精细陶瓷材料弹性模量无损检测***，按照上述检测方法进行检测，获得回弹值R、超声波速度V L和V h的有效值，具体检测步骤为：
①精细陶瓷试样进入样品安装组件，试样进行固定并将试样调节至超声检测位置；
②将超声检测仪的超声发射探头1和超声接收探头2分别接入超声检测仪两端，并将超声检测仪通信连接所述数据采集机构，并将超声发射探头1和超声接收探头2分别接入试样两项对侧面上，获得两传感器接收信号瞬间的时间差、波速、波幅等数据，并未对试样的每个侧面都进行超声检测，完成超声检测、获得超声波速度、频率等数据；
③将试样位置进行调节至回弹测试位置，调至回弹测杆与检测点处于同一水平面位置，检测点为试样侧边厚度方向中点，两检测点间隔应至少在20mm以上，设置好检测点后，回弹仪自动进行调整并垂直对准试样检测点，对各个面上检测点进行回弹值检测，获得试样回弹值参数；
c、测试完的试样按照标准GB/T 10700-2006《精细陶瓷弹性模量试验方法》进行弹性模量测试，获得其弹性模量E有效值，每组精细陶瓷试样回弹值R、超声波速度V L和V h和弹性模量E对应测试数据如表1所示。
表1 Al2O3精细陶瓷回弹值、超声波速度和弹性模量测试结果
Figure PCTCN2020079916-appb-000003
对精细陶瓷回弹值、超声波速度、和弹性模量的拟合关系方程为：
Figure PCTCN2020079916-appb-000004
式中：
E—弹性模量，单位为GPa
A—系数因子
B—声波因子
C—回弹因子
V L—超声波宽度方向速度，单位为m/s
V h—超声波厚度方向速度，单位为m/s
R—回弹值
通过数据处理分析，A＝e 1.5853，B＝1.3453，C＝0.2523，其弹性模量测试模型即为：
Figure PCTCN2020079916-appb-000005
根据上述测试步骤，随机另取其他批次尺寸150mm×150mm的Al 2O 3精细陶瓷进行试验验证，通过利用回弹值和超声波速度计算获得的弹性模量推断值和实测值进行对比，验证该测试方法和拟合方程的可靠性，测试结果对比如表2所示。
表2 Al 2O 3精细陶瓷回弹值、超声波速度和弹性模量测试结果验证
Figure PCTCN2020079916-appb-000006
经验证，误差最大的为3.4％，误差较小。
请参阅图3，本发明还提供了一种装置，其中，包括存储器20、处理器10及存储在所述存储器20上并可在所述处理器10上运行的精细陶瓷弹性模量无损检测程序，所述精细陶瓷弹性模量无损检测程序被所述处理器执行时实现如上所述的精细陶瓷弹性 模量无损检测方法的步骤；具体如上所述。
本发明还提供了一种存储介质，其中，所述存储介质存储有计算机程序，所述计算机程序能够被执行以用于实现如上所述的精细陶瓷弹性模量无损检测方法；具体如上所述。
综上所述，本发明公开的精细陶瓷弹性模量无损检测方法、装置及存储介质，通过建立精细陶瓷材料回弹值、超声波速度与弹性模量的关系公式及曲线，利用回弹值和超声波速度计算推断出精细陶瓷材料弹性模量；实现对试样进行无损检测，进一步获得更高精度和相关性，还可按照本发明步骤扩大试样样品容量自行得出相关公式。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种精细陶瓷弹性模量无损检测方法，其特征在于，包括：
    控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据；
    将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；
    根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据。
  2. 根据权利要求1所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据，之前还包括：
    预先构建基于超声波和回弹双参数的精细陶瓷弹性模量无损检测***；
    其中，所述精细陶瓷弹性模量无损检测***包括自动控制检测机构和数据处理机构，所述自动控制检测机构包括样品安装组件和回弹检测组件。
  3. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述控制完整的精细陶瓷进入第一检测位置，对试样进行固定，并控制超声检测仪调整至试样指定位置，对试样进行超声检测，采集超声检测数据，具体包括：
    将所述精细陶瓷进入样品安装组件中进行固定，控制超声检测仪的超声发射器和超声接收器，并将所述超声发射器和超声接收器调节至所述精细陶瓷的两个相对侧面的检测点上；
    将所述超声检测仪与所述数据处理机构通讯连接，检测超声检测仪的发射探头和接收探头接收信号瞬间的时间差、波速、波幅数据，并将所述时间差、波速、波幅数据作为超声检测数据进行采集；
    对试样各侧面上的待测点进行超声检测。
  4. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述将试样调整至第二检测位置，对试样进行回弹检测，采集回弹检测数据；
    将精细陶瓷调节至于回弹检测组件的回弹测杆同一水平面的位置；
    在精细陶瓷各侧面上厚度方向中心线上等间隔设置的检测点；
    控制所述回弹测杆垂直对准检测点，对各个检测点进行回弹值检测，采集试样各个侧面的回弹检测数据。
  5. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述根据所述超声检测数据和回弹检测数据建立数据模型或代入预先建立的数据模型，获得试样的弹性模量表征数据，具体包括：
    自动控制检测机构获得所述超声检测数据和回弹检测数据，录入数据处理机构；
    建立数据模型或代入预先建立的数据模型，进行公式和对应量转换，获得试样弹性模量表征数据。
  6. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，
    试样在检测之前进行预处理，预处理的步骤为：
    在待测的精细陶瓷中选取至少5组不同力学性能的试样，每组力学性能的精细陶瓷的试样数量为至少8个，将选取的试样放置于温度为20℃±2℃、相对湿度为60％±5％的环境中，静置养护48h，获得试样；
    对于每个试样的超声检测和回弹检测具体步骤为：
    预先在每个试样的每个侧面上均匀选取等间距分布的至少8个检测点；
    对检测点进行一次超声检测，获得每个检测点的超声波宽度方向速度V L和超声波厚度方向速度V h；
    对检测点进行一次回弹检测得到每个回弹值R；
    将读取的超声波宽度方向速度V L的平均值作为该试样的超声波宽度方向速度有效值，将超声波厚度方向速度V h的平均值作为该试样的超声波厚度方向速度有效值，以及将回弹值R的平均值作为该试样的回弹有效值。
  7. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述数据模型为
    Figure PCTCN2020079916-appb-100001
    其中，
    E为弹性模量，单位为GPa；
    A为系数因子，其取值范围为：e 1.1～e 3.4；
    B为声波因子，其取值范围为：0～2.7；
    C为回弹因子，其取值范围为：0～1.0；
    V L为超声波宽度方向速度，单位为m/s；
    V h为超声波厚度方向速度，单位为m/s；
    R为回弹值。
  8. 根据权利要求2所述的精细陶瓷弹性模量无损检测方法，其特征在于，所述精细陶瓷弹性模量无损检测方法还包括：
    按照力学性能等级进行检测形成回归分析样本，拟合建立回弹-超声波检测精细陶瓷弹性模量的关系曲线；
    根据获得的回弹有效值和超声有效值，利用建立的数据模型计算分析获得弹性模量E；
    获得每组每个试样的弹性模量E的有效数值，取算术平均值作为该组试样的弹性模量E’。
  9. 一种装置，其特征在于，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的精细陶瓷弹性模量无损检测程序，所述精细陶瓷弹性模量无损检测程序被所述处理器执行时实现如权利要求1-8任一项所述的精细陶瓷弹性模量无损检测方法的步骤。
  10. 一种存储介质，其特征在于，所述存储介质存储有计算机程序，所述计算机程序能够被执行以用于实现如权利要求1-8任一项所述的精细陶瓷弹性模量无损检测方法。
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CN110672822A (zh) * 2019-09-23 2020-01-10 郑州航空工业管理学院 一种桥梁混凝土的结构缺陷的无损检测***

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CN115326616A (zh) * 2022-10-13 2022-11-11 广东环达工程检测有限公司 一种道路桥梁混凝土结构检测装置及其检测方法

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