CN113049402A - Conductive ceramic thermal shock test equipment - Google Patents
Conductive ceramic thermal shock test equipment Download PDFInfo
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- CN113049402A CN113049402A CN202110483072.6A CN202110483072A CN113049402A CN 113049402 A CN113049402 A CN 113049402A CN 202110483072 A CN202110483072 A CN 202110483072A CN 113049402 A CN113049402 A CN 113049402A
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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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
- G01N3/02—Details
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses conductive ceramic thermal shock test equipment, which has an integral structure of a stainless steel cylindrical box body, wherein an air outlet, an air inlet and a vacuum pumping hole are formed in the box body and are communicated with the inside of the box body; an electric clamping device is arranged in the central area of the box body to clamp the sample; an induction coil for heating the sample, and heating and cooling the sample by a high-frequency power supply and a water cooler; the left side is provided with an infrared pyrometer for temperature measurement, and a temperature data recording device for data acquisition and storage. The invention has the advantages of simple equipment, easy operation, high reliability, low maintenance cost and high test efficiency.
Description
Technical Field
The invention belongs to the field of experimental instruments, and particularly relates to conductive ceramic thermal shock test equipment.
Background
The thermal shock resistance is an important index of the service reliability and safety of the structural ceramic. At present, the test methods for representing the thermal shock resistance of the fine ceramics mainly comprise a rapid cooling method, a rapid heating method and a rapid heating and cooling method, wherein liquid or gas is required to be used as a cooling medium in the test methods, and finally the thermal shock resistance is quantitatively represented by the residual bending strength or the bending strength attenuation rate after the thermal shock test (GB/T37246-2018).
The traditional thermal shock test method generally has 3 defects, namely, the temperature rise speed is low (10 ℃ per minute), the heat preservation time is long (30 minutes), and the time from taking out a sample from a heating furnace to putting in a cooling medium is long, so that the actual thermal shock temperature difference is small.
Disclosure of Invention
In order to solve 3 major defects of the traditional thermal shock test method, the invention provides conductive ceramic thermal shock test equipment.
The invention relates to conductive ceramic thermal shock test equipment, which has the advantages that the whole structure of the equipment is a stainless steel cylindrical box body, and the wall of the upper part of the box body is provided with an air outlet and a vacuum pumping hole which are communicated with the inside of the box body; the lower wall of the box body is provided with an air inlet for filling different test gases; the left side wall of the box body is provided with an infrared transmitting glass window, and the right side wall of the box body is provided with a vacuum gauge and an induction coil fixing window; the inner wall of the lower part of the box body is provided with an installation area of a prefabricated thermal shock medium container; an electric clamping device is arranged in the central area of the upper wall of the box body, the electric clamping device drives a gear by a screw rod of a rotating motor, and the gear operates to realize the opening and closing of a clamping arm; the center of the box body is an induction coil for heating the sample.
The induction coil is made of a hollow copper tube, and a high-frequency power supply provides high-frequency alternating current; cooling water provided by the water chiller flows through the copper pipe to achieve the purpose of cooling the copper pipe; the temperature of the sample is finally received by the infrared pyrometer through the sample thermal radiation infrared ray and the infrared transmitting glass window, and the temperature data recording equipment is used for data acquisition and storage.
Furthermore, the front surface of the box body is provided with a side sliding door, and the back surface of the side sliding door is provided with a high-temperature resistant sealing ring.
Further, the thermal shock medium container is used for containing a non-corrosive thermal shock medium, specifically water, oil, carbon tetrachloride liquid or silica gel liquid.
Further, the electric clamping device is connected with the control switch through a power line.
Furthermore, the clamping arm is made of alumina or heat-resistant alloy.
The invention relates to a test method of conductive ceramic thermal shock test equipment, which comprises the following steps:
step A: and opening the side sliding door, installing a thermal shock medium container, clamping the sample on the electric clamping device, and starting a double-laser-beam focusing option of the infrared pyrometer to enable the temperature measuring area to be over against the sample heating central area.
And B: the side sliding door is closed, and then air, nitrogen, argon or vacuum is introduced.
And C: and (4) opening the water cooler and the high-frequency power supply, and setting heating output power to heat the sample.
Step D: the heated sample was held for 15 seconds after being heated to the specified temperature, and then the electric holding device was operated to release the sample, which was only 50 mm from the surface of the cooling medium, so that the time for the sample to fall into the cooling medium from the start of the fall to the contact with the cooling medium was only 0.1 second, as calculated from the free-fall motion formula.
Step E: and opening the air outlet valve, closing the vacuum pumping port valve, closing the vacuum pump after the air pressure in the box body is recovered to the atmospheric pressure, opening the side sliding door, taking out the sample from the thermal shock medium, and finishing the thermal shock test operation.
The beneficial technical effects of the invention are as follows:
the invention has the advantages of simple equipment, easy operation, high reliability, low maintenance cost and high test efficiency, and can realize rapid heating under the conditions of air, nitrogen, argon and vacuum and realize rapid cooling in various cooling media.
Drawings
FIG. 1 is a schematic structural diagram of a conductive ceramic thermal shock test apparatus according to the present invention;
FIG. 2 is a schematic structural view of a side sliding door of the conductive ceramic thermal shock testing apparatus according to the present invention;
FIG. 3 is a schematic structural view of the back side of a side sliding door of the conductive ceramic thermal shock testing apparatus of the present invention;
FIG. 4 is a schematic structural view of an electric clamping device of the conductive ceramic thermal shock testing apparatus of the present invention;
in the figure: 1. a box body; 2. an infrared pyrometer; 3. an infrared-transmitting glass window; 4. the induction coil is fixed on the window; 5. an induction coil; 6. an electric clamping device rotating motor; 7. a power line; 8. an air inlet; 9. an air outlet; 10. a vacuum pumping port; 11. a vacuum gauge; 12. thermally shocking the dielectric container; 13. a high frequency power supply; 14. a water chiller; 15. the electric clamping device controls the switch; 16. a temperature data recording device; 17. a high temperature resistant seal ring; 18. rotating a motor screw; 19. a gear; 20. and a clamping arm.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
As shown in figure 1, the overall structure of the conductive ceramic thermal shock test equipment is a stainless steel cylindrical box body 1, and the upper wall of the box body 1 is provided with an air outlet 9 and a vacuum pumping hole 10 which are communicated with the interior of the box body 1; the lower wall of the box body 1 is provided with an air inlet 8 for filling different test gases; the left side wall of the box body 1 is provided with an infrared transmitting glass window 3, and the right side wall is provided with a vacuum meter 11 and an induction coil fixing window 4; the inner wall of the lower part of the box body 1 is provided with an installation area of a prefabricated thermal shock medium container 12; an electric clamping device is arranged in the central area of the upper wall of the box body 1, as shown in figure 4, a screw rod 18 of a rotating motor 6 drives a gear 19, and the gear 19 operates to realize the opening and closing of a clamping arm 20; the center of the box 1 is an induction coil 5 for heating the sample.
The induction coil 5 is made of a hollow copper tube, and a high-frequency power supply 13 provides high-frequency alternating current; the cooling water provided by the water chiller 14 flows through the copper pipe to achieve the purpose of cooling the copper pipe; the temperature of the sample is radiated by infrared rays through the sample, and finally received by the infrared pyrometer 2 through the infrared transmitting glass window 3, and the temperature data recording device 16 is used for data acquisition and storage.
Further, as shown in fig. 2, a side sliding door is arranged on the front surface of the box body 1; as shown in fig. 3, a high temperature resistant sealing ring 17 is provided on the back of the side sliding door.
Further, the thermal shock medium container 12 is used for containing a non-corrosive thermal shock medium, specifically water, oil, carbon tetrachloride liquid or silica gel liquid.
Further, the electric clamping device is connected with a control switch 15 through a power cord 7.
Further, the holding arm 20 is made of alumina or a heat-resistant alloy.
The invention relates to a test method of conductive ceramic thermal shock test equipment, which comprises the following steps:
step A: and opening the side sliding door, installing a thermal shock medium container 12, clamping the sample on the electric clamping device, and starting a double-laser-beam focusing option of the infrared pyrometer 2 to enable the temperature measuring area to be over against the sample heating central area.
And B: the side sliding door is closed, and then air, nitrogen, argon or vacuum is introduced.
And C: the water chiller 14 and the high-frequency power supply 13 were turned on, and heating output was set to heat the sample.
Step D: the heated sample was held for 15 seconds after being heated to the specified temperature, and then the electric holding device was operated to release the sample, which was only 50 mm from the surface of the cooling medium, so that the time for the sample to fall into the cooling medium from the start of the fall to the contact with the cooling medium was only 0.1 second, as calculated from the free-fall motion formula.
Step E: and opening the air outlet valve 9, closing the vacuum pumping port valve 10, closing the vacuum pump after the air pressure in the box body 1 is recovered to the atmospheric pressure, opening the side sliding door, taking out the sample from the thermal shock medium, and finishing the operation of the thermal shock test.
Claims (6)
1. The conductive ceramic thermal shock test equipment is characterized in that the whole structure of the equipment is a stainless steel cylindrical box body (1), and the upper wall of the box body (1) is provided with an air outlet (9) and a vacuum pumping hole (10) which are communicated with the inside of the box body (1); the lower wall of the box body (1) is provided with an air inlet (8) for filling different test gases; the left side wall of the box body (1) is provided with an infrared transmitting glass window (3), and the right side wall is provided with a vacuum meter (11) and an induction coil fixing window (4); the inner wall of the lower part of the box body (1) is provided with a mounting area of a prefabricated thermal shock medium container (12); an electric clamping device is arranged in the central area of the upper wall of the box body (1), the electric clamping device drives a gear (19) by a screw rod (18) of a rotating motor (6), and the gear (19) operates to realize the opening and closing of a clamping arm (20); the center of the box body (1) is provided with an induction coil (5) for heating a sample;
the induction coil (5) is made of a hollow copper tube, and a high-frequency power supply (13) provides high-frequency alternating current; cooling water provided by the water chiller (14) flows through the copper pipe to achieve the purpose of cooling the copper pipe; the temperature of the sample is radiated by infrared rays through the sample, and is finally received by the infrared pyrometer (2) through the infrared transmitting glass window (3), and the temperature data recording equipment (16) is used for data acquisition and storage.
2. The conductive ceramic thermal shock test equipment as claimed in claim 1, wherein a side sliding door is arranged on the front surface of the box body (1), and a high-temperature-resistant sealing ring (17) is arranged on the back surface of the side sliding door.
3. The conductive ceramic thermal shock test apparatus of claim 1, wherein the thermal shock media container (12) is configured to hold a non-corrosive thermal shock media, specifically water, oil, carbon tetrachloride liquid, or silica gel liquid.
4. The conductive ceramic thermal shock test apparatus of claim 1, wherein the electrically operated clamp device is connected to a control switch (15) through a power line (7).
5. The conductive ceramic thermal shock test apparatus of claim 1, wherein the clamping arms (20) are made of alumina or a heat-resistant alloy.
6. A conductive ceramic thermal shock test using the conductive ceramic thermal shock test apparatus of claim 1, comprising the steps of:
step A: opening a side sliding door, installing a thermal shock medium container (12), clamping the sample on an electric clamping device, and starting a double-laser-beam focusing option of the infrared pyrometer (2) to enable a temperature measuring area to be over against a sample heating central area;
and B: closing the side sliding door, and then introducing air, nitrogen and argon or vacuumizing;
and C: a water cooling machine (14) and a high-frequency power supply (13) are turned on, heating output power is set, and the sample is heated;
step D: the heating sample is heated to a specified temperature and then is maintained for 15 seconds, then the electric clamping device is operated to loosen the sample, the bottom end of the sample is only 50 mm away from the liquid level of the cooling medium, so that the time for the sample to fall into the cooling medium is only 0.1 second from the beginning of falling to the contact with the cooling medium according to the free-fall motion formula;
step E: and opening the air outlet valve (9), closing the vacuum pumping port valve (10), closing the vacuum pump after the air pressure in the box body (1) is recovered to the atmospheric pressure, opening the side sliding door, taking out the sample from the thermal shock medium, and finishing the operation of the thermal shock test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110483072.6A CN113049402A (en) | 2021-04-30 | 2021-04-30 | Conductive ceramic thermal shock test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110483072.6A CN113049402A (en) | 2021-04-30 | 2021-04-30 | Conductive ceramic thermal shock test equipment |
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| CN113049402A true CN113049402A (en) | 2021-06-29 |
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| CN202110483072.6A Pending CN113049402A (en) | 2021-04-30 | 2021-04-30 | Conductive ceramic thermal shock test equipment |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100076108A (en) * | 2008-12-26 | 2010-07-06 | 주식회사 포스코 | Thermal shock resistance tesst method and test appratus |
| CN102306983A (en) * | 2011-09-16 | 2012-01-04 | 台邦电机工业有限公司 | Process for assembling stator and housing case of motor and equipment used by same |
| CN203908897U (en) * | 2014-06-05 | 2014-10-29 | 广州万尔真空科技有限公司 | Thermal shock tester of golf club head |
| CN104358439A (en) * | 2014-10-30 | 2015-02-18 | 王洋 | Vehicle reinforcing pushing platform for mechanical garage |
| CN104483224A (en) * | 2015-01-14 | 2015-04-01 | 重庆大学 | Test box for temperature rise thermal shock of ceramic materials |
| CN108204994A (en) * | 2018-01-17 | 2018-06-26 | 长沙理工大学 | A kind of material thermal shock resistance examination test device of superhigh temperature controlled atmosphere |
| CN207630050U (en) * | 2017-07-24 | 2018-07-20 | 广东电网有限责任公司电力科学研究院 | A kind of conducting wire repairing mechanism and robot being installed on hot line robot |
| CN108315538A (en) * | 2018-01-27 | 2018-07-24 | 西安交通大学 | A kind of device and its application method for realizing rapid thermal cycles |
| CN207703749U (en) * | 2017-10-27 | 2018-08-07 | 天津建仪机械设备检测有限公司 | Ceramic thermal shock resistance testing machine |
| CN109158815A (en) * | 2018-10-18 | 2019-01-08 | 徐媛滨 | A kind of square pipe welded gear clamper |
| CN208516425U (en) * | 2018-06-13 | 2019-02-19 | 天津百利越象模具制造有限责任公司 | A kind of material crawl mechanical device |
| CN109521040A (en) * | 2018-11-23 | 2019-03-26 | 航天特种材料及工艺技术研究所 | A kind of high temperature thermal shock resistance energy detection method of composite material |
| CN210626017U (en) * | 2019-10-10 | 2020-05-26 | 重庆宝迪科技有限公司 | Stator and rotor automatic clamping test equipment |
-
2021
- 2021-04-30 CN CN202110483072.6A patent/CN113049402A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100076108A (en) * | 2008-12-26 | 2010-07-06 | 주식회사 포스코 | Thermal shock resistance tesst method and test appratus |
| CN102306983A (en) * | 2011-09-16 | 2012-01-04 | 台邦电机工业有限公司 | Process for assembling stator and housing case of motor and equipment used by same |
| CN203908897U (en) * | 2014-06-05 | 2014-10-29 | 广州万尔真空科技有限公司 | Thermal shock tester of golf club head |
| CN104358439A (en) * | 2014-10-30 | 2015-02-18 | 王洋 | Vehicle reinforcing pushing platform for mechanical garage |
| CN104483224A (en) * | 2015-01-14 | 2015-04-01 | 重庆大学 | Test box for temperature rise thermal shock of ceramic materials |
| CN207630050U (en) * | 2017-07-24 | 2018-07-20 | 广东电网有限责任公司电力科学研究院 | A kind of conducting wire repairing mechanism and robot being installed on hot line robot |
| CN207703749U (en) * | 2017-10-27 | 2018-08-07 | 天津建仪机械设备检测有限公司 | Ceramic thermal shock resistance testing machine |
| CN108204994A (en) * | 2018-01-17 | 2018-06-26 | 长沙理工大学 | A kind of material thermal shock resistance examination test device of superhigh temperature controlled atmosphere |
| CN108315538A (en) * | 2018-01-27 | 2018-07-24 | 西安交通大学 | A kind of device and its application method for realizing rapid thermal cycles |
| CN208516425U (en) * | 2018-06-13 | 2019-02-19 | 天津百利越象模具制造有限责任公司 | A kind of material crawl mechanical device |
| CN109158815A (en) * | 2018-10-18 | 2019-01-08 | 徐媛滨 | A kind of square pipe welded gear clamper |
| CN109521040A (en) * | 2018-11-23 | 2019-03-26 | 航天特种材料及工艺技术研究所 | A kind of high temperature thermal shock resistance energy detection method of composite material |
| CN210626017U (en) * | 2019-10-10 | 2020-05-26 | 重庆宝迪科技有限公司 | Stator and rotor automatic clamping test equipment |
Non-Patent Citations (1)
| Title |
|---|
| 赵崇霞 等: "95%Al2O3瓷抗热震性水淬冷测试方法研究", 《真空电子技术》 * |
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Application publication date: 20210629 |