CN109374405A - A kind of ceramic fixture for the test of superhigh temperature creep tensile strength - Google Patents
A kind of ceramic fixture for the test of superhigh temperature creep tensile strength Download PDFInfo
- Publication number
- CN109374405A CN109374405A CN201811344621.6A CN201811344621A CN109374405A CN 109374405 A CN109374405 A CN 109374405A CN 201811344621 A CN201811344621 A CN 201811344621A CN 109374405 A CN109374405 A CN 109374405A
- Authority
- CN
- China
- Prior art keywords
- chucking appliance
- rod chucking
- pull
- drop
- rod
- 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
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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
- G01N3/04—Chucks
-
- 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
- G01N2203/0071—Creep
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0405—Features allowing alignment between specimen and chucks
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0458—Chucks, fixtures, jaws, holders or anvils characterised by their material
Abstract
The present invention is a kind of ceramic fixture for the test of superhigh temperature creep tensile strength, the fixture includes pull-up rod chucking appliance (1) and drop-down rod chucking appliance (2), the pull-up rod chucking appliance cuboid groove (8) connecting with the upper end of sample (7) is machined in the lower part of pull-up rod chucking appliance (1) side, the drop-down rod chucking appliance cuboid groove (9) connecting with the lower end of sample (7) is machined on the top of drop-down rod chucking appliance (2) side, it is characterised in that: 1, the fixture is by ceramic material；2, it pulls up rod chucking appliance cuboid groove (8) and drop-down rod chucking appliance cuboid groove (9) not penetrate through with pull-up rod chucking appliance (1), drop-down rod chucking appliance (2), which can satisfy the experimental test of 1000 DEG C of -1800 DEG C of superhigh temperature creep tensile strengths.
Description
Technical field
The present invention is a kind of ceramic fixture for the test of superhigh temperature creep tensile strength.The fixture be able to satisfy 1000 DEG C-
The experimental test of 1800 DEG C of superhigh temperature creep tensile strengths.Belong to fixture for testing technical field of structures.
Background technique
Metal Materials At High Temperature tensile creep, creep rupture test are one kind test materials under steady temperature and permanent load
Deformation and the test of creep rupture life.With the development of high temperature structural material, the high temperature resistance of material is continuously improved, test
Test temperature condition is also continuously improved；With the raising of experimental test temperature, conventional high temperature alloy fixture has been unable to meet test
Test request.Need to develop design high temperature resistance it is more preferable, the higher test fixture of elevated temperature strength is to meet testing requirement.
Summary of the invention
The present invention is exactly directed to above-mentioned prior art situation and designs and provide one kind for superhigh temperature creep tensile strength
The ceramic fixture of test, the purpose is to can satisfy the experimental test of 1000 DEG C of -1800 DEG C of superhigh temperature creep tensile strengths.
The purpose of the present invention is achieved through the following technical solutions:
This kind is used for the ceramic fixture of superhigh temperature creep tensile strength test, which includes pull-up rod chucking appliance 1 and drop-down
Rod chucking appliance 2 is provided with the pull-up rod chucking appliance connecting pin bores I 3 connecting with testing machine and pull-up bar cramp in the upper end of pull-up rod chucking appliance 1
Have connecting pin bores II 4, drop-down rod chucking appliance 2 lower end be provided with the drop-down rod chucking appliance connecting pin bores I 5 being connect with testing machine and under
It is long to be machined with the pull-up rod chucking appliance that connect with the upper end of sample 7 in the lower part of pull-up rod chucking appliance 1 for pull rod fixture connecting pin bores II 6
Cube groove 8, the processing of pull-up rod chucking appliance cuboid groove 8 add in the side of pull-up rod chucking appliance 1 on the top of drop-down rod chucking appliance 2
Work has the drop-down rod chucking appliance cuboid groove 9 connecting with the lower end of sample 7, and the drop-down processing of rod chucking appliance cuboid groove 9 is pulling down
The side of rod chucking appliance 2, between sample 7 and pull-up rod chucking appliance 1, drop-down rod chucking appliance 2 by the way of boss mounting, feature exists
In:
1, the fixture is by ceramic material；
2, pull-up rod chucking appliance cuboid groove 8 is identical with the structure for pulling down rod chucking appliance cuboid groove 9, and pull-up rod chucking appliance is long
Cube groove 8 and drop-down rod chucking appliance cuboid groove 9 are not penetrated through with pull-up rod chucking appliance 1, drop-down rod chucking appliance 2, and pull-up rod chucking appliance is long
Upper connecting rod clamping fixture head gap 10 is machined on cube groove 8, drop-down rod chucking appliance cuboid groove 9, drop-down rod chucking appliance collet slits
Mouth 12 is penetrated through with the lower end surface of pull-up rod chucking appliance 1, the upper surface of drop-down rod chucking appliance 2.
Further, upper connecting rod clamping fixture head gap 10, drop-down rod chucking appliance collet gap 12 be located at pull-up rod chucking appliance 1 and under
Upper connecting rod clamping fixture head circular hole 11, the drop-down bar cramp for ensuring 7 clamping concentricity of sample are machined at the center of pull rod fixture 2
Has collet circular hole 13.
Further, the ceramic material is aluminium oxide, zirconium oxide, yttrium oxide, silicon nitride or thyrite.
It further, is the intensity for improving fixture, pull-up rod chucking appliance 1 is pole type structure, it is contemplated that clamping creep extensometer,
Drop-down rod chucking appliance 2 is rectangular parallelepiped structure.
Ceramics fixture Ceramics material processing and fabricating of the present invention, can be improved the test temperature of test tool fixture
Range is made high-temperature clamp with Machining of Ceramics, is being tested due to the high temperature resistance and elevated temperature strength that ceramic material is excellent
Clip base will not generate high temperature ablation oxidation and the deformation of creep in the process, it can be ensured that specimen clamping during entire test
Concentricity, it is ensured that the accuracy and reliability of test data test；The superhigh temperature fixture and sample coupling part, structure are upper
The design on pull rod fixture lower part and drop-down rod chucking appliance top has cuboid groove structure, and pulls up rod chucking appliance cuboid groove under
Pull rod fixture cuboid groove is not penetrated through with pull-up rod chucking appliance and drop-down rod chucking appliance, it is ensured that the structure of the superhigh temperature ceramics fixture is strong
Degree, it is ensured that the reliability of test clamping.
It is of the present invention ceramics fixture have it is easy to operate, clamping is efficient and convenient；It is applicable to different tests machine producer
The creep tensile strength testing machine of the different model of production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ceramic fixture of the present invention
Fig. 2 is the structural schematic diagram of the pull-up rod chucking appliance of ceramic fixture of the present invention
Fig. 3 is the structural schematic diagram of the drop-down rod chucking appliance of ceramic fixture of the present invention
Specific embodiment
Below in conjunction with drawings and examples, technical solution of the present invention will be further described.
Referring to shown in attached drawing 1~3, this kind is used for the ceramic fixture of superhigh temperature creep tensile strength test, which includes
Rod chucking appliance 1 and drop-down rod chucking appliance 2 are pulled up, the upper end of pull-up rod chucking appliance 1 is provided with the pull-up rod chucking appliance connecting with testing machine and connects
Outbound hole I 3 and pull-up rod chucking appliance connecting pin bores II 4 are provided with the lower pull rod connecting with testing machine in the lower end of drop-down rod chucking appliance 2
Fixture connecting pin bores I 5 and drop-down rod chucking appliance connecting pin bores II 6 are machined with the upper end with sample 7 in the lower part of pull-up rod chucking appliance 1
The pull-up rod chucking appliance cuboid groove 8 of connection, the pull-up processing of rod chucking appliance cuboid groove 8 is in the side of pull-up rod chucking appliance 1, under
The top of pull rod fixture 2 is machined with the drop-down rod chucking appliance cuboid groove 9 connecting with the lower end of sample 7, and drop-down rod chucking appliance is rectangular
The processing of body groove 9 is mounted between the side of drop-down rod chucking appliance 2, sample 7 and pull-up rod chucking appliance 1, drop-down rod chucking appliance 2 using boss
Mode, it is characterised in that:
1, for the fixture by ceramic material, the ceramic material is aluminium oxide, zirconium oxide, yttrium oxide, silicon nitride or carbon
SiClx ceramic material；
2, pull-up rod chucking appliance cuboid groove 8 is identical with the structure for pulling down rod chucking appliance cuboid groove 9, and pull-up rod chucking appliance is long
Cube groove 8 and drop-down rod chucking appliance cuboid groove 9 are not penetrated through with pull-up rod chucking appliance 1, drop-down rod chucking appliance 2, and pull-up rod chucking appliance is long
Upper connecting rod clamping fixture head gap 10 is machined on cube groove 8, drop-down rod chucking appliance cuboid groove 9, drop-down rod chucking appliance collet slits
Mouth 12 is penetrated through with the lower end surface of pull-up rod chucking appliance 1, the upper surface of drop-down rod chucking appliance 2.
It is located at pull-up rod chucking appliance 1 and drop-down bar cramp in upper connecting rod clamping fixture head gap 10, drop-down rod chucking appliance collet gap 12
Upper connecting rod clamping fixture head circular hole 11, the drop-down rod chucking appliance collet for ensuring 7 clamping concentricity of sample are machined at the center of tool 2
Circular hole 13.
For the intensity for improving fixture, pull-up rod chucking appliance 1 is pole type structure, it is contemplated that clamping creep extensometer, lower pull rod
Fixture 2 is rectangular parallelepiped structure.
It, first will pull-up rod chucking appliance 1 and drop-down rod chucking appliance 2 and the upper and lower metal pull bar of testing machine when carrying out hot test
It is attached, then sample 7 is articulated on pull-up rod chucking appliance 1 and drop-down rod chucking appliance 2, Adjustment Tests machine is upper and lower by pin
Metal pull bar spacing ties up thermocouple on sample 7 and starts to test.
Claims (4)
1. a kind of ceramic fixture for the test of superhigh temperature creep tensile strength, which includes pull-up rod chucking appliance (1) and pulls down
Rod chucking appliance (2) is provided with the pull-up rod chucking appliance connecting pin bores I (3) connecting with testing machine and upper in the upper end of pull-up rod chucking appliance (1)
Pull rod fixture connecting pin bores II (4) is provided with the drop-down rod chucking appliance connection connecting with testing machine in the lower end of drop-down rod chucking appliance (2)
Pin hole I (5) and drop-down rod chucking appliance connecting pin bores II (6) are machined with and the upper end of sample (7) in the lower part of pull-up rod chucking appliance (1)
The pull-up rod chucking appliance cuboid groove (8) of connection, pull-up rod chucking appliance cuboid groove (8) processing is in the side of pull-up rod chucking appliance (1)
Face is machined with the drop-down rod chucking appliance cuboid groove (9) connecting with the lower end of sample (7) on the top of drop-down rod chucking appliance (2), under
Pull rod fixture cuboid groove (9) processing is in the side of drop-down rod chucking appliance (2), it is characterised in that:
1, the fixture is by ceramic material；
2, pull-up rod chucking appliance cuboid groove (8) is identical with the drop-down structure of rod chucking appliance cuboid groove (9), and pull-up rod chucking appliance is long
Cube groove (8) and drop-down rod chucking appliance cuboid groove (9) pull up not with pull-up rod chucking appliance (1), drop-down rod chucking appliance (2) perforation
Rod chucking appliance cuboid groove (8), drop-down rod chucking appliance cuboid groove (9) on be machined with upper connecting rod clamping fixture head gap (10), under
The lower end surface of pull rod clamping fixture head gap (12) and pull-up rod chucking appliance (1), the upper surface for pulling down rod chucking appliance (2) penetrate through.
2. the ceramic fixture according to claim 1 for the test of superhigh temperature creep tensile strength, it is characterised in that: upper
Pull rod clamping fixture head gap (10), drop-down rod chucking appliance collet gap (12) are located at pull-up rod chucking appliance (1) and pull down rod chucking appliance (2)
Upper connecting rod clamping fixture head circular hole (11), the drop-down rod chucking appliance collet for ensuring sample (7) clamping concentricity are machined at center
Circular hole (13).
3. the ceramic fixture according to claim 1 for the test of superhigh temperature creep tensile strength, it is characterised in that: described
Ceramic material is aluminium oxide, zirconium oxide, yttrium oxide, silicon nitride or thyrite.
4. the ceramic fixture according to claim 1 for the test of superhigh temperature creep tensile strength, it is characterised in that: pull-up
Rod chucking appliance (1) is pole type structure, and drop-down rod chucking appliance (2) is rectangular parallelepiped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344621.6A CN109374405A (en) | 2018-11-12 | 2018-11-12 | A kind of ceramic fixture for the test of superhigh temperature creep tensile strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344621.6A CN109374405A (en) | 2018-11-12 | 2018-11-12 | A kind of ceramic fixture for the test of superhigh temperature creep tensile strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109374405A true CN109374405A (en) | 2019-02-22 |
Family
ID=65385019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811344621.6A Pending CN109374405A (en) | 2018-11-12 | 2018-11-12 | A kind of ceramic fixture for the test of superhigh temperature creep tensile strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109374405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044720A (en) * | 2019-03-11 | 2019-07-23 | 中国航发北京航空材料研究院 | A kind of multi-functional clamp suitable for nonstandard small sample creep performance test |
| CN112525722A (en) * | 2020-11-05 | 2021-03-19 | 中国航发北京航空材料研究院 | Preparation method of silicon carbide ceramic clamp for metal creep test |
Citations (6)
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|---|---|---|---|---|
| KR20020044703A (en) * | 2000-12-06 | 2002-06-19 | 최동환 | An holder of test piece for testing tensile strength under glass-transition point |
| CN2750311Y (en) * | 2004-09-17 | 2006-01-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Hanging type clamp for high temperature endurance test |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN205246442U (en) * | 2015-09-08 | 2016-05-18 | 中煤张家口煤矿机械有限责任公司 | Special frock of tensile detection of metal material circle coupon |
| CN108414350A (en) * | 2018-06-05 | 2018-08-17 | 深圳万测试验设备有限公司 | A kind of shoulder fixture |
-
2018
- 2018-11-12 CN CN201811344621.6A patent/CN109374405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020044703A (en) * | 2000-12-06 | 2002-06-19 | 최동환 | An holder of test piece for testing tensile strength under glass-transition point |
| CN2750311Y (en) * | 2004-09-17 | 2006-01-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Hanging type clamp for high temperature endurance test |
| CN204142573U (en) * | 2014-11-05 | 2015-02-04 | 中国工程物理研究院材料研究所 | A kind of jig of low-intensity high fragility sample high temperature tensile properties test |
| CN205246442U (en) * | 2015-09-08 | 2016-05-18 | 中煤张家口煤矿机械有限责任公司 | Special frock of tensile detection of metal material circle coupon |
| CN105259030A (en) * | 2015-11-16 | 2016-01-20 | 浙江工业大学 | Chuck mechanism special for interrupted creep test |
| CN108414350A (en) * | 2018-06-05 | 2018-08-17 | 深圳万测试验设备有限公司 | A kind of shoulder fixture |
Non-Patent Citations (1)
| Title |
|---|
| 余艺平: "低温熔渗反应制备 W/ZrC金属陶瓷的高温演变及激光烧蚀特性研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044720A (en) * | 2019-03-11 | 2019-07-23 | 中国航发北京航空材料研究院 | A kind of multi-functional clamp suitable for nonstandard small sample creep performance test |
| CN112525722A (en) * | 2020-11-05 | 2021-03-19 | 中国航发北京航空材料研究院 | Preparation method of silicon carbide ceramic clamp for metal creep test |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |