CN109959572A - Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment - Google Patents
Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment Download PDFInfo
- Publication number
- CN109959572A CN109959572A CN201910285312.4A CN201910285312A CN109959572A CN 109959572 A CN109959572 A CN 109959572A CN 201910285312 A CN201910285312 A CN 201910285312A CN 109959572 A CN109959572 A CN 109959572A
- Authority
- CN
- China
- Prior art keywords
- temperature
- test
- gas
- control system
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01N3/02—Details
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of temperature with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment.Mechanics test system control chucking appliance system clamps pressure, and then controls the stress being applied on test specimen to be measured;Test specimen to be measured is installed between clamping fixture up and down, and gas Flowrate Control System is sent into gas in lower clamping fixture, and gas flows through return gas stream amount control system after hollow test specimen to be measured and upper clamping fixture;Jacking system controls induction heating system height and position;It is cooperated by temperature control system control induction heating system, gas Flowrate Control System and chucking appliance system so that metal material carries out Mechanics Performance Testing in temperature and stress under dynamic linkage environment.The present invention solves the problems, such as long-term work hollow and ventilation metal component Mechanics Performance Testing in the case where high-temperature and stress dynamic linkage couples environment, has the advantages that realize 800 degree of maximum temperature difference, maximal force 12000N periodic temperature-stress dynamic linkage load in 10 seconds.
Description
Technical field
The present invention relates to metal material testing experiment machines, and in particular to a kind of temperature is with metal under stress dynamic linkage environment
Mechanics Performance Testing device and method.
Background technique
Aero engine turbine blades undergo the severe load-up conditions such as high temperature, high pressure, high revolving speed for a long time during service, and
Since its working environment is special, engine combustion room temperature and the speed of mainshaft are all changing at any time, cause each position of turbo blade
Temperature and stress state be among dynamic change always.Current existing Mechanics Performance Testing device can only test constant temperature etc.
The material mechanical performance of axial stress state, it is true under this substantial deviation Turbine Blade Temperature Field-stress dynamic linkage couple state
Service Environment.Based on the needs of turbo blade Intensity Design, join to investigate turbo blade material comprehensively in Temperature-Stress dynamic
Mechanical property under dynamic couple state, it is necessary to design a kind of temperature with metal material mechanics performance under stress dynamic linkage environment
Test device.Meanwhile Mechanics Performance Testing condition is as far as possible close to actual operating conditions, to developing and develop new metal material, change
Into quality of materials, to greatest extent play material potential and to greatest extent under simulation material actual condition situation all has important meaning
Justice.
Summary of the invention
It is insufficient together present in existing mechanics performance testing technology the purpose of the invention is to overcome, a kind of temperature is provided
Degree is capable of the dress of approximate simulation material military service environment with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment
With coefficient height simple, easy to use, safe, it can be used for material mechanical performance test.
The technical solution adopted by the present invention is that:
One, a kind of temperature is with metal material mechanics performance testing device under stress dynamic linkage environment:
Device includes chucking appliance system, mechanics test system, jacking system, induction heating system, gas Flowrate Control System
And temperature control system;The test specimen to be measured of clamping metal material is fixed on chucking appliance system, chucking appliance system and mechanics test system connect
It connects, pressure is clamped by mechanics test system control chucking appliance system, and then control the stress being applied on test specimen to be measured;Fixture system
System includes upper and lower clamping fixture, and test specimen to be measured is installed between upper and lower clamping fixture, upper and lower clamping fixture respectively with gas
Flow control system is connected, and gas Flowrate Control System is accurately sent into required gas in lower clamping fixture, and gas flows through hollow
Test specimen to be measured and upper clamping fixture after return gas stream amount control system;Induction heating system is mounted on jacking system and position
In the side of test specimen to be measured, jacking system controls the height and position of induction heating system, and then controls test specimen to be measured and add in induction
The induction heating zone position of hot systems;Upper induction heating system, gas Flowrate Control System are connected inside chucking appliance system simultaneously
With chucking appliance system and be all connected to temperature control system, controlled by temperature control system control induction heating system, gas flow
System and chucking appliance system cooperate so that metal material carries out mechanical property survey in temperature and stress under dynamic linkage environment
Examination.
Induction heating system is adjusted to fixed height by jacking system, so that the induction coil in induction heating system
Cooperate the temperature control system around test specimen to be measured, to control to adjust the Temperature Distribution of test specimen specific region to be measured.
The cooling system is connected to the copper of load coil in induction heating system by circulating water pipeline
Pipe, for carrying out cooling protection to load coil.
The hollow gas channels for thering is supplied gas to circulate inside the test specimen to be measured.
Two, a kind of temperature is with metal material mechanics performance test methods under stress dynamic linkage environment:
Step 1: test specimen is mounted in mechanics test system using the upper and lower clamping fixture in chucking appliance system;
Step 2: upper and lower clamping fixture is connected with gas Flowrate Control System respectively, gas Flowrate Control System is needed for
Gas is accurately sent into lower clamping fixture, and return gas stream amount controls after gas flows through hollow test specimen to be measured and upper clamping fixture
System is tested so that the hollow gas channels inside test specimen to be measured are unobstructed;
Step 3: induction heating system is adjusted to fixed height by jacking system, so that in induction heating system
Induction coil is located at the side of test specimen to be measured;
Step 4: opening the gas servo valve of gas Flowrate Control System, compressed air is passed through to test specimen to be measured;
Cooling protection is carried out to load coil and induction power supply step 5: opening cooling system, starts induction heating
System precise control of temperature accurately controls the inside for being passed through hollow fixture and flowing through test specimen to be measured by gas Flowrate Control System
Gas circuit amount;
Step 6: controlling control system by induction heating system, gas Flowrate Control System and temperature according to requirement of experiment
System Collaborative Control, by Temperature Distribution requirement is heated to the gauge length region of test specimen to be measured to preset temperature;
Step 7: starting mechanics test system treats test block by chucking appliance system and applies stress according to stress value;
Step 8: flowing through the gas flow of hollow test specimen by calculating, pass through temperature control system and mechanics test system
With the Collaborative Control of induction heating system, realization follows mechanics cycle facigue curve to do identical gradient of temperature curve;
Step 9: Mechanical Control, which is obtained all dynamic mechanical test data summarizations, is sent to temperature control system
System is finally completed comprehensive mechanical property test of the test specimen to be measured under real simulation environment.
Thus it is very accurate that the comprehensive mechanical property that method implements acquisition is tested, and can accurately reflect temperature and stress is dynamic
The stress-strain behavior of material when state changes.
8th step, specifically:
S8.1: stress value maximum 12000N is arranged from room temperature to 1300 DEG C in control experimental temperature;
S8.2: starting induction heating system and gas Flowrate Control System pass through temperature control system, induction heating system
The closed-loop control system of system, gas Flowrate Control System composition, according to the temperature of setting half interval contour at any time, by calculate flow through to
The gas flow of test block is treated the temperature around test block and is regulated and controled, so that going up and down 800 degree of maximum temperature difference in 10 seconds;
S8.3: starting Mechanical Control passes through temperature control system, induction heating system, gas Flowrate Control System
With the closed-loop control system of Mechanical Control composition, test block is treated according to the cycle facigue curve of setting and carries out the mechanics period
Control, it is identical that test temperature follows mechanics cycle facigue curve to do under induction heating system and gas Flowrate Control System effect
Gradient of temperature curve.
Beneficial effects of the present invention:
It is hollow and ventilation in the case where high-temperature and stress dynamic linkage couples environment that apparatus of the present invention can effectively solve long-term work
Metal component Mechanics Performance Testing problem has and realizes that 800 degree of maximum temperature difference, maximal force 12000N period are warm-natured in 10 seconds
The advantages of degree-stress dynamic linkage load.
Detailed description of the invention
Fig. 1 is apparatus of the present invention agent structure schematic diagram;
Fig. 2 is mechanics test system and chucking appliance system structural schematic diagram;
Fig. 3 is induction heating system and jacking system structural schematic diagram;
Fig. 4 (a) is the diagrammatic cross-section of Mechanics Performance Testing sample;
Fig. 4 (b) is the multiple temperature measuring point temperature distributing curve diagrams being axially distributed along sample;
Fig. 4 (c) is the sample compression gas flow curve graph that axially multiple temperature measuring points are passed through.
It is shown in temperature measurement such as Fig. 4 (b) of multiple temperature measuring points
In figure: chucking appliance system (1), mechanics test system (2), jacking system (3), induction heating system (4), cooling system
(5), gas Flowrate Control System (6), temperature control system (7).
Specific embodiment
Now in conjunction with attached drawing, the present invention is described in further detail.These attached drawings are simplified schematic diagram, only to show
Meaning mode illustrates basic structure of the invention, therefore only shows composition related to the present invention.
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, present invention specific implementation adds including chucking appliance system 1, mechanics test system 2, jacking system 3, induction
Hot systems 4, gas Flowrate Control System 5 and temperature control system 7;The to be tested of clamping metal material is fixed on chucking appliance system 1
Part controls clamping for chucking appliance system 1 by mechanics test system 2 as shown in Fig. 2, chucking appliance system 1 and mechanics test system 2 are connected
Pressure, and then control the stress being applied on test specimen to be measured;Chucking appliance system 1 includes upper and lower clamping fixture, upper and lower clamping fixture
For hollow structure, test specimen to be measured is installed between upper and lower clamping fixture, and upper and lower clamping fixture is controlled with gas flow respectively
System 5 is connected, and gas Flowrate Control System 5 is accurately sent into required gas in time clamping fixture, and gas flows through hollow to be measured
Return gas stream amount control system 5 after test specimen and upper clamping fixture;By accurately, dynamically controlling through hollow test specimen to be measured
Gas flow, main function are the heats that accurate control gas is taken away.Induction heating system 4 is mounted on jacking system 3 and position
In the side of test specimen to be measured, jacking system 3 controls the height and position of induction heating system 4, and then controls test specimen to be measured and incuding
The induction heating zone position of heating system 4;Upper induction heating system 4, gas flow control are connected inside chucking appliance system 1 simultaneously
System 5 and chucking appliance system 1 and it is all connected to temperature control system 7, induction heating system 4, gas are controlled by temperature control system 7
The dynamic control of temperature during Mechanics Performance Testing is realized in flow control system 5 and the collaborative work of chucking appliance system 1, so that metal
Material carries out Mechanics Performance Testing in temperature and stress under dynamic linkage environment.
As shown in figure 3, induction heating system 4 is adjusted to fixed height by jacking system 3, so that induction heating system
Induction coil in 4 cooperates the temperature control system 7 around test specimen to be measured, to control to adjust the temperature of test specimen specific region to be measured
Distribution.
Cooling system 1 is connected to the copper pipe of load coil in induction heating system 4 by circulating water pipeline, uses
In to load coil progress cooling protection.Induction heating system 4 includes load coil, insulating, stainless steel
Bracket and draw electrolytic copper pipe.
The hollow gas channels for thering is supplied gas to circulate inside test specimen to be measured.In specific implementation, as shown in Fig. 4 (a), such as to
Test block central hollow, test specimen two ends have the sealing flange connecting with chucking appliance system 1, and air-tightness is good.
The present invention specific implementation stress wave determining according to experiment, in conjunction with gas Flowrate Control System, realize temperature with
The control of stress wave dynamic linkage is tested under test specimen characteristic temperature and the effect of stress Dynamic Coupling by mechanics test system
Mechanical property.
Wherein, it can be achieved that 800 degree of maximum temperature difference of lifting, the periodicity of maximal force 12000N are tired in 10 seconds in experimentation
Labor test, the transient temperature and stress signal of acquisition are by 7 aggregation process of temperature control system.The device can realize temperature with stress
Metal material mechanics performance testing device under the conditions of dynamic linkage.
Implementation process of the present invention are as follows:
Step 1: test specimen is mounted in mechanics test system 2 using the upper and lower clamping fixture in chucking appliance system 1;
Step 2: upper and lower clamping fixture is connected with gas Flowrate Control System 6 respectively, gas Flowrate Control System 6 is institute
Gas is needed accurately to be sent into lower clamping fixture, gas flows through return gas stream amount control after hollow test specimen to be measured and upper clamping fixture
System 6 processed is tested so that the hollow gas channels inside test specimen to be measured are unobstructed;
Step 3: induction heating system 4 is adjusted to suitable fixed height by jacking system 3, so that induction heating
Induction coil in system 4 is located at the side of test specimen to be measured;
Step 4: opening the gas servo valve of gas Flowrate Control System 4, compressed air is passed through to test specimen to be measured;
Step 5: start-up temperature control system 7, inputs experimental temperature and stress value, cooling system 5 is opened to induction heating
Coil and induction power supply carry out cooling protection, start 4 precise control of temperature of induction heating system, pass through gas Flowrate Control System
6 accurate controls are passed through the inner air path amount that hollow fixture flows through test specimen to be measured.
Step 6: being controlled according to requirement of experiment by induction heating system 4, gas Flowrate Control System 6 and temperature
7 Collaborative Control of system by Temperature Distribution requirement is heated to the gauge length region of test specimen to be measured to preset temperature.
Step 7: starting mechanics test system 2 treats test block by chucking appliance system 1 and applies stress according to stress value;
Step 8: flowing through the gas flow of hollow test specimen by calculating, pass through temperature control system 7 and mechanics test system
2 and induction heating system 4 Collaborative Control, realization follow mechanics cycle facigue curve to do identical gradient of temperature curve.
S8.1: stress value maximum 12000N is arranged from room temperature to 1300 DEG C in control experimental temperature;
S8.2: starting induction heating system 4 and gas Flowrate Control System 6 pass through temperature control system 7, induction heating
The closed-loop control system that system 4, gas Flowrate Control System 6 form passes through according to the temperature of setting half interval contour at any time and calculates stream
Gas flow through test specimen to be measured is treated the temperature around test block and is regulated and controled, so that going up and down 800 degree of maximum temperature difference in 10 seconds.
S8.3: starting Mechanical Control 2 passes through temperature control system 7, induction heating system 4, gas flow control system
The closed-loop control system that system 6 and Mechanical Control 2 form treats test block according to the cycle facigue curve of setting and carries out mechanics
Period control, test temperature follow mechanics cycle facigue curve in the case where induction heating system 4 and gas Flowrate Control System 6 act on
Do identical gradient of temperature curve.
Step 9: Mechanical Control 2, which is obtained all dynamic mechanical test data summarizations, is sent to temperature control system
System 7 is finally completed comprehensive mechanical property test of the test specimen to be measured under real simulation environment.
The present invention stress wave determining according to experiment realizes temperature with stress wave in conjunction with gas Flowrate Control System
Dynamic linkage control tests the mechanical property under test specimen characteristic temperature and the effect of stress Dynamic Coupling by mechanics test system.
Wherein, it can be achieved that the Cyclic fatigue test of 800 degree of maximum temperature difference in 10 seconds, maximal force 12000N, obtains in experimentation
Transient temperature and stress signal by host computer control system aggregation process.
The embodiment of the present invention is as follows:
Using the round superalloy coupons of tapered hollow as test specimen to be measured, test specimen to be measured is mounted on mechanics test system
On 2 chucking appliance system 1, induction heating system 4 can be realized that tri- coordinate of X, Y, Z is mobile by the handwheel of jacking system 3, be adjusted to
The clamped special test specimen of suitable position push-in.
Then open gas Flowrate Control System 6 gas servo valve, control required compressed air tolerance enter it is special
Test specimen is passed through gas pressure control range: 0.6-1.2MPa, is passed through the range of flow of gas: 100-1000 liters/min, opening
Cooling system 5 carries out cooling protection to equipment, and induction heating system 4 is started to work.
According to test requirements document, it is made up of temperature control system 7, induction heating system 4, gas Flowrate Control System 6
Closed-loop control system carries out external adjustment to gradient of temperature temperature, makes test specimen that region be specified to reach required temperature index, mechanics
Test macro 2 carries out the control of mechanics period to test specimen according to the cycle facigue curve of test setting, and test temperature passes through temperature control
Following force under the closed-loop control that system 7, induction heating system 4, gas Flowrate Control System 6 and Mechanical Control 2 processed form
It learns cycle facigue curve and does identical lift curve.
Inlet and outlet air flow data, Mechanical Data, temperature data are aggregated into temperature control system 7 and carry out aggregation process,
Judge the process of test and the real time status of test specimen, is finally completed comprehensive mechanical property of the special test specimen under real simulation environment
Test analysis.
Test specimen to be measured is cylinder part, and inner hole is the big taper pore structure of the small other end in one end, is arranged in bellmouth inner structural wall
Multiple temperature measuring points, multiple temperature measuring points are uniformly distributed along test specimen axially spaced-apart to be measured, as shown in Fig. 4 (a).
Then it is passed through compressed gas from from small stomidium to big stomidium direction, in the temperature measurement such as Fig. 4 (b) of multiple temperature measuring points
It is shown, it is visible incremented by successively to the temperature of small stomidium from big stomidium in figure.In the flow for being passed through gas such as Fig. 4 of multiple temperature measuring points
(c) visible in figure successively to successively decrease from big stomidium to the gas flow of small stomidium shown in.
It is surveyed as it can be seen that temperature can be better achieved with Metal Mechanic Property under stress dynamic linkage environment by above-mentioned implementation
Examination.
Claims (6)
1. a kind of temperature is with metal material mechanics performance testing device under stress dynamic linkage environment, it is characterised in that: including folder
Tool system (1), mechanics test system (2), jacking system (3), induction heating system (4), gas Flowrate Control System (5) and temperature
It spends control system (7);The test specimen to be measured of clamping metal material, chucking appliance system (1) and mechanical test system are fixed on chucking appliance system (1)
System (2) connection by the pressure that clamps of mechanics test system (2) control chucking appliance system (1), and then is controlled and is applied on test specimen to be measured
Stress;Chucking appliance system (1) includes upper and lower clamping fixture, and test specimen to be measured is installed between upper and lower clamping fixture, upper and lower to press from both sides
It holds fixture to be connected with gas Flowrate Control System (5) respectively, gas Flowrate Control System (5) is accurately sent into required gas on lower folder
It holds in fixture, gas flows through return gas stream amount control system (5) after hollow test specimen to be measured and upper clamping fixture;Induction heating
System (4) is mounted on the side on jacking system (3) and being located at test specimen to be measured, and jacking system (3) controls induction heating system (4)
Height and position, and then control test specimen to be measured in the induction heating zone position of induction heating system (4);Simultaneously in chucking appliance system
(1) internal to connect above induction heating system (4), gas Flowrate Control System (5) and chucking appliance system (1) and be all connected to temperature control
System (7) processed, by temperature control system (7) control induction heating system (4), gas Flowrate Control System (5) and chucking appliance system
(1) it cooperates so that metal material carries out Mechanics Performance Testing in temperature and stress under dynamic linkage environment.
2. a kind of temperature according to claim 1 is filled with metal material mechanics performance test under stress dynamic linkage environment
It sets, it is characterised in that: induction heating system (4) is adjusted to by jacking system (3) by fixed height, so that induction heating system
(4) induction coil in cooperates the temperature control system (7) around test specimen to be measured, to control to adjust test specimen specific region to be measured
Temperature Distribution.
3. a kind of temperature according to claim 1 is filled with metal material mechanics performance test under stress dynamic linkage environment
It sets, it is characterised in that: the cooling system (1) is connected to induction in induction heating system (4) by circulating water pipeline
The copper pipe of heating coil, for carrying out cooling protection to load coil.
4. a kind of temperature according to claim 1 is filled with metal material mechanics performance test under stress dynamic linkage environment
It sets, it is characterised in that: the hollow gas channels for thering is supplied gas to circulate inside the test specimen to be measured.
5. being applied to a kind of temperature of any described device of claim 1-4 with metal material mechanics under stress dynamic linkage environment
Performance test methods, it is characterised in that:
Step 1: test specimen is mounted in mechanics test system (2) using the upper and lower clamping fixture in chucking appliance system (1);
Step 2: upper and lower clamping fixture is connected with gas Flowrate Control System (6) respectively, gas Flowrate Control System (6) is institute
Gas is needed accurately to be sent into lower clamping fixture, gas flows through return gas stream amount control after hollow test specimen to be measured and upper clamping fixture
System (6) processed is tested so that the hollow gas channels inside test specimen to be measured are unobstructed;
Step 3: induction heating system (4) is adjusted to fixed height by jacking system (3), so that induction heating system (4)
In induction coil be located at the side of test specimen to be measured;
Step 4: opening the gas servo valve of gas Flowrate Control System (4), compressed air is passed through to test specimen to be measured;
Cooling protection is carried out to load coil and induction power supply step 5: opening cooling system (5), starts induction heating system
System (4) precise control of temperature is passed through hollow fixture by the accurate control of gas Flowrate Control System (6) and flows through test specimen to be measured
Inner air path amount;
Step 6: being controlled according to requirement of experiment by induction heating system (4), gas Flowrate Control System (6) and temperature
System (7) Collaborative Control, by Temperature Distribution requirement is heated to the gauge length region of test specimen to be measured to preset temperature;
Step 7: starting mechanics test system (2) treats test block by chucking appliance system (1) and applies stress according to stress value;
Step 8: flowing through the gas flow of hollow test specimen by calculating, pass through temperature control system (7) and mechanics test system
(2) and the Collaborative Control of induction heating system (4), realization follow mechanics cycle facigue curve to do identical gradient of temperature curve;
Step 9: Mechanical Control (2), which are obtained all dynamic mechanical test data summarizations, is sent to temperature control system
(7), it is finally completed comprehensive mechanical property test of the test specimen to be measured under real simulation environment.
6. a kind of temperature according to claim 5 is with metal material mechanics performance test side under stress dynamic linkage environment
Method, it is characterised in that: the 8th step, specifically:
S8.1: stress value maximum 12000N is arranged from room temperature to 1300 DEG C in control experimental temperature;
S8.2: starting induction heating system (4) and gas Flowrate Control System (6) are added by temperature control system (7), induction
Hot systems (4), gas Flowrate Control System (6) composition closed-loop control system passed through according to the temperature of setting half interval contour at any time
The temperature that the gas flow that calculating flows through test specimen to be measured is treated around test block is regulated and controled, so that going up and down maximum temperature difference in 10 seconds
800 degree;
S8.3: starting Mechanical Control (2) is controlled by temperature control system (7), induction heating system (4), gas flow
System (6) and Mechanical Control (2) composition closed-loop control system, according to the cycle facigue curve of setting treat test block into
The control of row mechanics period, test temperature follow mechanics all under induction heating system (4) and gas Flowrate Control System (6) effect
The phase curve of fatigue does identical gradient of temperature curve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910285312.4A CN109959572A (en) | 2019-04-10 | 2019-04-10 | Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910285312.4A CN109959572A (en) | 2019-04-10 | 2019-04-10 | Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109959572A true CN109959572A (en) | 2019-07-02 |
Family
ID=67025835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910285312.4A Pending CN109959572A (en) | 2019-04-10 | 2019-04-10 | Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109959572A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112504866A (en) * | 2020-12-07 | 2021-03-16 | 南昌航空大学 | Device for aviation ultrahigh-temperature test |
CN115389337A (en) * | 2022-08-23 | 2022-11-25 | 东北大学 | Rapid heating true triaxial test device and use method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080232971A1 (en) * | 2006-08-23 | 2008-09-25 | Siemens Aktiengesellschaft | Coated turbine blade |
CN102539135A (en) * | 2011-12-31 | 2012-07-04 | 北京航空航天大学 | Thermal mechanical fatigue test system for hollow air-cooled turbine blade |
CN102621022A (en) * | 2012-03-22 | 2012-08-01 | 北京科技大学 | Thermal-force coupling fatigue test device and method |
CN104215521A (en) * | 2014-09-11 | 2014-12-17 | 中国科学院金属研究所 | Thermo-mechanical-environmental coupling effect testing device and application from room temperature to ultrahigh temperature |
CN109253940A (en) * | 2018-10-12 | 2019-01-22 | 南昌航空大学 | A kind of experimental provision for turbo blade material heat fatigue |
-
2019
- 2019-04-10 CN CN201910285312.4A patent/CN109959572A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080232971A1 (en) * | 2006-08-23 | 2008-09-25 | Siemens Aktiengesellschaft | Coated turbine blade |
CN102539135A (en) * | 2011-12-31 | 2012-07-04 | 北京航空航天大学 | Thermal mechanical fatigue test system for hollow air-cooled turbine blade |
CN102621022A (en) * | 2012-03-22 | 2012-08-01 | 北京科技大学 | Thermal-force coupling fatigue test device and method |
CN104215521A (en) * | 2014-09-11 | 2014-12-17 | 中国科学院金属研究所 | Thermo-mechanical-environmental coupling effect testing device and application from room temperature to ultrahigh temperature |
CN109253940A (en) * | 2018-10-12 | 2019-01-22 | 南昌航空大学 | A kind of experimental provision for turbo blade material heat fatigue |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112504866A (en) * | 2020-12-07 | 2021-03-16 | 南昌航空大学 | Device for aviation ultrahigh-temperature test |
CN115389337A (en) * | 2022-08-23 | 2022-11-25 | 东北大学 | Rapid heating true triaxial test device and use method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111579410B (en) | Ceramic matrix composite gas environment fatigue test system | |
CN107421984B (en) | A kind of hollow turbine vane is superimposed the thermal mechanical fatigue pilot system and method for high Zhou Zhendong | |
CN106855486B (en) | Rotary air film cooling type temperature gradient thermo-mechanical fatigue test system | |
CN102539135B (en) | Thermal mechanical fatigue test system for hollow air-cooled turbine blade | |
CN108037035B (en) | Thin-wall pipe fitting near-service environment performance testing device for simulating turbine blade air film hole | |
CN103033430B (en) | Test device and test method for simulating ultra-fast cooling | |
CN107478403B (en) | Pipeline reliability testing device | |
CN109959572A (en) | Temperature is with measurement and test of mechanical properties of metal device and method under stress dynamic linkage environment | |
CN104360702A (en) | System for dynamically testing aviation thermal power and method for dynamically controlling temperature and pressure environments | |
CN109000911B (en) | Test device for thermal mechanical fatigue-creep of blade | |
CN105758758B (en) | A kind of thermal fatigue tester | |
CN206557029U (en) | One kind rotation air film cooled thermograde thermal mechanical fatigue pilot system | |
CN112665864B (en) | Device and method for simulating random thermal shock load of aircraft engine | |
CN109357956B (en) | High-temperature gas corrosion fatigue test system | |
CN114354334A (en) | Turbine blade is long-term service operating mode analogue test device of material for shaping | |
CN207557071U (en) | Charge air cooler thermal shock experimental provision | |
CN115420481B (en) | Method for debugging non-uniform temperature field in thermomechanical fatigue wall thickness direction of turbine blade of aeroengine | |
KR20160030697A (en) | Resonant testing system for blades under thermal gradient environment | |
CN112414739B (en) | Gas turbine experiment table capable of carrying out transient and steady state measurement tests and test method | |
CN111076875A (en) | Adjustable runner high temperature dynamic seal directly links test device | |
CN211648301U (en) | Valve testing device | |
CN206740684U (en) | A kind of specimen holder for ablation under ultra high temperature guaranteed performance test | |
RU2609819C1 (en) | High temperature gasdynamic tester for turbomachinery flow elements | |
CN109060578B (en) | Thermal fatigue testing device for cylinder cover of diesel engine | |
CN112903276A (en) | Open turbine blade test equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190702 |
|
WD01 | Invention patent application deemed withdrawn after publication |