CN205228933U - Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face - Google Patents
Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face Download PDFInfo
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- CN205228933U CN205228933U CN201521039119.6U CN201521039119U CN205228933U CN 205228933 U CN205228933 U CN 205228933U CN 201521039119 U CN201521039119 U CN 201521039119U CN 205228933 U CN205228933 U CN 205228933U
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- anchor clamps
- high temperature
- depression bar
- fixture
- test
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Abstract
Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face relates to material high temperature mechanical properties capability test anchor clamps technical field, and its technical essential is: the fixture comprises a fixture body, the anchor clamps body includes that anchor clamps and lower anchor clamps, the inside of going up anchor clamps and lower anchor clamps are provided with the supporting shoe respectively, is provided with the depression bar groove on the supporting shoe, and the depression bar has been placed to the depression bar inslot, goes up anchor clamps and is provided with the guide pillar hole respectively on the anchor clamps down, and the downthehole guide pillar of installing of guide pillar upward is provided with the contact head recess on the anchor clamps, is provided with the arc contact head on the contact head recess, and upward anchor clamps are provided with the style groove that can place the style respectively with the central authorities of lower anchor clamps, adopt this technical scheme, when carrying on not opening the furnace gate under the high temperature test condition, can fix the sample, when the high temperature test anchor clamps body difficult take place to damage and the sample sustainable effective fixed, long service life practices thrift experimentation cost.
Description
Technical field
The utility model relates to material at high temperature mechanical property performance test clamp art, tests the split type fixture of ceramic matric composite high temperature in-plane shear strength specifically.
Background technology
Existing test ceramic matric composite in-plane shear strength test method adopts two incision beam method mostly, and what be most widely used is the ASTM-C1292 standard of the U.S., describes the fixture of test ceramic matric composite in-plane shear strength respectively.
The structure of the fixture that ASTM-C1292 standard is mentioned is for move movable slider with screw thread, and the distance between adjustment slide block and fixture, to specimen width, reaches the object of stepping up sample.At high temperature, due to clamp material and the difference on test sample material thermal expansion coefficient, can gap be produced under the fixing sample high temperature that under room temperature, adjustment is good, be threaded simultaneously and also can lose efficacy.Test ongoing hot environment lower furnace door cannot open, the effect playing fixing sample that fixture of the prior art cannot be real.
Summary of the invention
The purpose of this utility model, solves Problems existing in above technology exactly, and provides the split type fixture of test ceramic matric composite high temperature in-plane shear strength for this reason.
The split type fixture of test ceramic matric composite high temperature in-plane shear strength, comprise chuck body, described chuck body comprises fixture and lower clamp, the inside of upper fixture and lower clamp is respectively arranged with back-up block, back-up block is provided with depression bar groove, depression bar is placed with in depression bar groove, upper fixture and lower clamp are respectively arranged with guide pillar hole, guide pillar is provided with guide pillar in hole, upper fixture is provided with contact head groove, contact head groove is provided with arc contact head, the central authorities of upper fixture and lower clamp are respectively arranged with the style groove can placing style.
Further, described upper fixture and lower clamp are respectively arranged with 4 depression bar grooves.
Further, the guide pillar hole site on described upper fixture and lower clamp is consistent.
Further, described depression bar is laterally place.
Further, the diameter of described depression bar is 3-7mm.
Advantage of the present utility model:
1, when carrying out not opening fire door in high temperature test situation, can sample be fixed;
2, when high temperature test, chuck body is not easily damaged and sample is sustainable effectively fixing;
3, long service life, saves experimentation cost.
Accompanying drawing explanation
Fig. 1 is one-piece construction simplified schematic diagram of the present utility model;
Fig. 2 is detonation configuration simplified schematic diagram of the present utility model.
Specific embodiment
In order to make the utility model more easily be understood, below in conjunction with accompanying drawing and embodiment, the technical solution of the utility model is described in detail.
Embodiment 1
As shown in Figure 1-2, the split type fixture of test ceramic matric composite high temperature in-plane shear strength, comprise chuck body, described chuck body comprises fixture 1 and lower clamp 3, the inside of upper fixture 1 and lower clamp 3 is respectively arranged with back-up block 2, back-up block 2 is provided with depression bar groove 9, depression bar 4 is placed with in depression bar groove 9, upper fixture 1 and lower clamp 3 are respectively arranged with guide pillar hole 8, guide pillar 6 is installed in guide pillar hole 8, upper fixture 1 is provided with contact head groove 11, contact head groove 11 is provided with arc contact head 7, the central authorities of upper fixture 1 and lower clamp 3 are respectively arranged with the style groove 5 can placing style 10.
Embodiment 2
As shown in Figure 1-2, the split type fixture of test ceramic matric composite high temperature in-plane shear strength, comprise chuck body, described chuck body comprises fixture 1 and lower clamp 3, the inside of upper fixture 1 and lower clamp 3 is respectively arranged with back-up block 2, depression bar groove 9 is placed with in back-up block 2, depression bar groove 9 is provided with the depression bar 4 laterally placed, the diameter of depression bar 4 is 3-7mm, described upper fixture 1 and lower clamp 3 are respectively arranged with 4 depression bar grooves 9, upper fixture 1 and lower clamp 3 are respectively arranged with guide pillar hole 8, guide pillar 6 is provided with in guide pillar hole 8, guide pillar 6 is communicated with upper fixture 1 and lower clamp 3 by being slidably matched, the centerline direction of guide pillar 6 is identical with mechanics machine displacement of pressing head direction, position, guide pillar hole 8 on upper fixture 1 and lower clamp 3 is consistent, upper fixture 1 is provided with contact head groove 11, contact head groove 11 is provided with arc contact head 7, the arc convex part of arc contact head 7 contacts with mechanical test compressing head, the central authorities of upper fixture 1 and lower clamp 3 are respectively arranged with the style groove 5 can placing style 10.
The upper surface of upper fixture 1 can also be provided with groove, coordinates with arc contact head 7, and the upper surface of arc contact head 7 adopts the axis of above fixture 1 and lower clamp 3 to be the axisymmetric curved surface structure of axle.Concave plateau is left in style groove 5 both sides of lower clamp 3, style 10 by after fixture 1 and lower clamp 3 clamp, distance between two planes equals the length of style 10, the either side of style 10 is alignd with corresponding co-planar, the center of style 10 can be made to be positioned at the center of circle of fixture 1 and lower clamp 3.Upper fixture 1 is connected by 2 guide pillars 6 with lower clamp 3, ensures the relative vertical motion of upper fixture 1 in style 10 test process and lower clamp 3, and the material tested of this chuck body is pottery or ceramic matric composite or graphite material.
The own material of this chuck body can carry out Material selec-tion according to the kind of mechanics tester configuration surroundings case, and when employing vacuum environment case carries out high temperature test, chuck body selects isostatic pressing formed graphite material or thyrite; When carrying out high temperature test under employing air atmosphere, chuck body selects thyrite or FRCMC.
Claims (5)
1. test the split type fixture of ceramic matric composite high temperature in-plane shear strength, comprise chuck body, it is characterized in that: described chuck body comprises fixture and lower clamp, the inside of upper fixture and lower clamp is respectively arranged with back-up block, back-up block is provided with depression bar groove, depression bar is placed with in depression bar groove, upper fixture and lower clamp are respectively arranged with guide pillar hole, guide pillar is provided with guide pillar in hole, upper fixture is provided with contact head groove, contact head groove is provided with arc contact head, the central authorities of upper fixture and lower clamp are respectively arranged with the style groove can placing style.
2. the split type fixture of test ceramic matric composite high temperature in-plane shear strength according to claim 1, is characterized in that: described upper fixture and lower clamp are respectively arranged with 4 depression bar grooves.
3. the split type fixture of test ceramic matric composite high temperature in-plane shear strength according to claim 1 and 2, is characterized in that: the guide pillar hole site on described upper fixture and lower clamp is consistent.
4. the split type fixture of test ceramic matric composite high temperature in-plane shear strength according to claim 1, is characterized in that: described depression bar is for laterally placing.
5. the split type fixture of test ceramic matric composite high temperature in-plane shear strength according to claim 1, is characterized in that: the diameter of described depression bar is 3-7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039119.6U CN205228933U (en) | 2015-12-14 | 2015-12-14 | Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039119.6U CN205228933U (en) | 2015-12-14 | 2015-12-14 | Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228933U true CN205228933U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521039119.6U Active CN205228933U (en) | 2015-12-14 | 2015-12-14 | Shear strength's split type anchor clamps in test ceramic matrix composite high temperature face |
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| CN (1) | CN205228933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279160A (en) * | 2018-02-13 | 2018-07-13 | 大连理工大学 | A kind of magnetic core bonded structure compression shear loads fixture and its test method |
| CN110686967A (en) * | 2019-11-14 | 2020-01-14 | 南京航空航天大学 | Clamping device in ceramic-based small composite material high-temperature oxidation furnace and test method |
| CN112820428A (en) * | 2020-11-27 | 2021-05-18 | 中核北方核燃料元件有限公司 | Fuel element grid strip rigidity detection clamping tool and using method |
-
2015
- 2015-12-14 CN CN201521039119.6U patent/CN205228933U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279160A (en) * | 2018-02-13 | 2018-07-13 | 大连理工大学 | A kind of magnetic core bonded structure compression shear loads fixture and its test method |
| CN110686967A (en) * | 2019-11-14 | 2020-01-14 | 南京航空航天大学 | Clamping device in ceramic-based small composite material high-temperature oxidation furnace and test method |
| CN112820428A (en) * | 2020-11-27 | 2021-05-18 | 中核北方核燃料元件有限公司 | Fuel element grid strip rigidity detection clamping tool and using method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |