CN106525569A - Shear test specimen of high-strength metal material - Google Patents
Shear test specimen of high-strength metal material Download PDFInfo
- Publication number
- CN106525569A CN106525569A CN201611223891.2A CN201611223891A CN106525569A CN 106525569 A CN106525569 A CN 106525569A CN 201611223891 A CN201611223891 A CN 201611223891A CN 106525569 A CN106525569 A CN 106525569A
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- CN
- China
- Prior art keywords
- section
- test
- canned paragraph
- stretch section
- metal material
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- 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.)
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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
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
Abstract
The invention relates to a shear test specimen of a high-strength metal material. The shear test specimen comprises a fixing section and a stretch section distributed in the length direction of the test specimen in sequence, the fixing section is used for being fixedly connected with the clamping end of a tensile test machine, and the stretch section is used for being fixedly connected with the stretch end of the tensile test machine. The test specimen further comprises test sections used for connecting the fixing section and the stretch section, an accommodating groove is formed in one end of the fixing section, the other end of the fixing section is used for being fixedly connected to the clamping end of the tensile test machine, one end of the stretch section is located in the accommodating groove, the other end of the stretch section is used for being fixedly connected to the stretch end of the tensile test machine, the test sections are symmetrically arranged at both sides of the portion, located in the accommodating groove, the stretch section, and the stretch section is fixedly connected to the fixing section through the test sections at the both sides respectively. The shear test specimen of the high-strength metal material is simple in structure and convenient to test; according to the shear test, the shear test specimen of the high-strength metal material is adopted, the shear stress state is high in stability, and the result is reliable.
Description
Technical field
The present invention relates to belong to material mechanical performance test and representational field, for industries such as automobile, aviations, and in particular to
A kind of shear test block of high-strength metal material.
Background technology
In the mechanical property of material, shearing test is one of important component part of its performance indications, shearing test
Reliability directly influences the modulus of shearing of material, the performance such as shear stress strain and shear fails.Comparatively ideal shearing examination
Testing data can be by carrying out torsion acquisition using pole material, but this method is complex, and inapplicable to plate material, together
When more difficult be applied in dynamic test.Shearing condition of the at present sheet shearing test specimen adopted by high tensile metal in process of the test
Less stable, it is more difficult to maintain more stable shear state, cause Materials with High Strength mechanics characterization especially material break
Occurs larger error when splitting sign, result reliability is low.
The content of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, there is provided a kind of improved high duty metal
The shear test block of material.
To solve above technical problem, the present invention is adopted the following technical scheme that:
A kind of shear test block of high-strength metal material, the canned paragraph being sequentially distributed including the length direction along the test specimen and drawing
Section is stretched, the canned paragraph and stretch section are respectively used to the bare terminal end with cupping machine and stretch end be fixedly connected, the test specimen
Also include that one end of the canned paragraph is provided with pockets, the other end for connecting the test section of the canned paragraph and stretch section
For being fixedly connected with the bare terminal end of the cupping machine, one end of the stretch section is interior, another positioned at the pockets
Hold and be fixedly connected for the stretching end with the cupping machine, two sides pair of the stretch section in the pockets
Title is provided with the test section and the stretch section is fixedly connected with the canned paragraph by the test section of two sides respectively.
Further, it is provided with the two sides cell wall respectively with the pockets of respective respective side of the stretch section of the test section
It is parallel.
Further, it is provided with the two sides groove respectively with the pockets of respective respective side of the stretch section of the test section
The spacing of wall is 0.5mm ~ 2mm.
Further, the end face of described one end of the canned paragraph is parallel with the two side faces of the test section.
Further, the length of the test section is 2mm ~ 10mm.
Further, the thickness of the test specimen is 0.5mm ~ 2mm.
Further, the test specimen is symmetrical member, and with the bearing of trend test specimen consistent with the length direction of the test specimen
Center line is symmetry axis.
Further, the test specimen is formed in one flat part.
Further, the pockets include rectangular recess one and notch from the groove one to the canned paragraph
The other end groove two that extends and taper into, the stretch section includes the square that one end is located in the groove one
Shape stretch section body and be formed in the stretch section body described one end and along the stretch section body length direction to institute
The stretch section extension extended in groove two is stated, the test section is separately positioned on two sides and two sides of the stretch section body
The test section is fixedly connected with the cell wall of the groove one of respective respective side respectively.
Further, the canned paragraph includes that one end is provided with the canned paragraph body of the pockets and is formed in described
The canned paragraph extension that the other end of canned paragraph body the length direction along the canned paragraph body extend, the canned paragraph prolong
Extending portion is fixedly connected with the bare terminal end of the cupping machine.
Due to the enforcement of above-mentioned technical proposal, the present invention is had the advantage that compared with prior art:
The shear test block simple structure of the present invention, test are convenient, and shearing test adopts shear test block of the present invention, shear state
Stable height, reliable results.
Description of the drawings
Fig. 1 is the structural representation of the shear test block of the present invention.
Fig. 2 is partial cut stress distribution result obtained by Finite Element Simulation Analysis;
Fig. 3 is by extracting the three axle degree versus time curve of stress of test section from Finite element analysis results.
In figure:1st, canned paragraph;11st, canned paragraph body;12nd, canned paragraph extension;2nd, stretch section;21st, stretch section body;
22nd, stretch section extension;3rd, test section;4th, pockets;41st, groove one;42nd, groove two.
Specific embodiment
With reference to Figure of description, the invention will be further described.
As shown in figure 1, a kind of shear test block of high-strength metal material, is sequentially distributed including the length direction along test specimen
Canned paragraph 1 and stretch section 2, canned paragraph 1 and stretch section 2 are respectively used to the bare terminal end with cupping machine and stretching end is fixed and connected
Connect, the test specimen also includes the test section 3 for be connected section 1 and stretch section 2, one end of canned paragraph 1 be provided with pockets 4,
The other end is fixedly connected for the bare terminal end with cupping machine, and one end of stretch section 2 is in pockets 4, other end use
It is fixedly connected in the stretching end with cupping machine, two sides of the stretch section 2 in pockets 4 are arranged with the test section
3 and stretch section 2 be fixedly connected with canned paragraph 1 by the test section 3 of two sides respectively.The test specimen is formed in one flat part.
Two sides for being provided with the stretch section 2 of test section 3 are parallel with the cell wall of the pockets 4 of respective respective side respectively, and
Be provided with test section 3 stretch section 2 two sides respectively with the space D 1 between the cell wall of the pockets 4 of respective respective side be 0.5mm ~
2mm, this spacing are also the width size of test section 3.
The end face of one end for being provided with pockets 4 of canned paragraph 1 is parallel with the two side faces of test section 3.Canned paragraph 1 sets
Have pockets 4 one end end face to the side of test section 3 nearest therewith apart from D2 be 2mm ~ 10mm.Test section 3
Length L1 is 2mm ~ 10mm.
Pockets 4 include the other end of rectangular recess one 41 and notch from groove one 41 to canned paragraph 1 extend and
The groove for tapering into two 42, stretch section 2 include that one end is located at the rectangle stretch section body 21 of groove one 41 and is formed in
The stretch section extension that one end of stretch section body 21 and the length direction along stretch section body 21 extend into groove two 42
22, test section 3 is separately positioned on two sides of stretch section body 21 and two side test sections 3 groove one respectively with respective respective side
41 cell wall is fixedly connected.In this example, it is fixedly connected in the middle part of the cell wall that test section 3 and groove are 41.
The width W1 of stretch section body 21 is 10mm ~ 40mm, the spacing between stretch section extension 22 and groove two 42
D3 is 0.5mm ~ 10mm.
Specifically, canned paragraph 1 includes that one end is provided with the canned paragraph body 11 of the pockets 4 and is formed in canned paragraph body
The canned paragraph extension 12 that 11 other end the length direction along canned paragraph body 11 extend, canned paragraph extension 12 and stretching
The bare terminal end of testing machine is fixedly connected.
The width W2 of canned paragraph body 11 is 20mm ~ 60mm.
Pockets 4 be arranged on canned paragraph body 11 and be arranged on canned paragraph body 11 end medium position.
In the present invention, the thickness of test specimen is 0.5mm ~ 2mm.
Test specimen is symmetrical member, and the test specimen center line consistent with the length direction of test specimen with bearing of trend is as symmetry axis.
During test, the end of the end of the canned paragraph 1 of test specimen and stretch section 2 is separately mounted to into the clamping of cupping machine
Shear state is realized at end and stretching end, the stretching end force of testing machine, the test section 3 of test specimen.
This example specifically provides a kind of test specimen, and the thickness of the test specimen is 1mm, and W1 is 30mm, and W2 is 46mm, and D1 is 1mm, and D2 is
4.5mm, D3 are 1mm, and L1 is 4mm, and the total length of test specimen is 137.5mm, and the length of canned paragraph extension is that 40.5mm, width are
32mm, the length of canned paragraph body is 49.5mm.
The three axle degree of stress distribution result and stress of the test section 3 of the test specimen of this example is obtained with finite element simulation method
Situation is changed over, Fig. 2 is partial cut stress distribution result obtained by Finite Element Simulation Analysis, from cloud atlas it can be seen that test
The distribution of shear stress of section 3 is concentrated very much, Fig. 3 by extract from Finite element analysis results the three axle degree of stress of test section 3 with
The change curve of time, from curvilinear motion as can be seen that the three axle angle value of stress of whole process of the test test section 3 is 0 or so,
Close to ideal shear stress state.
Above the present invention is described in detail, its object is to allow the personage for being familiar with this art to will appreciate that this
The content of invention is simultaneously carried out, and can not be limited the scope of the invention with this, and the invention is not restricted to above-mentioned enforcement
Example, equivalence changes or modification that all Spirit Essences of the invention are made should all be included within the scope of the present invention.
Claims (10)
1. a kind of shear test block of high-strength metal material, the canned paragraph being sequentially distributed including the length direction along the test specimen and
Stretch section, the canned paragraph and stretch section are respectively used to the bare terminal end with cupping machine and stretching end is fixedly connected, the examination
Part is also included for connecting the test section of the canned paragraph and stretch section, it is characterised in that:One end of the canned paragraph is provided with appearance
Groove, the other end are received for being fixedly connected with the bare terminal end of the cupping machine, one end of the stretch section is located at the appearance
Receive in groove, the other end is fixedly connected for the stretching end with the cupping machine, described in the pockets
Two sides of stretch section are arranged with the test section and the stretch section is respectively by the test section and the fixation of two sides
Section is fixedly connected.
2. the shear test block of high-strength metal material according to claim 1, it is characterised in that:It is provided with the test section
Two sides of stretch section are parallel with the cell wall of the pockets of respective respective side respectively.
3. the shear test block of high-strength metal material according to claim 2, it is characterised in that:It is provided with the test section
Two sides of stretch section are 0.5mm ~ 2mm with the spacing of the cell wall of the pockets of respective respective side respectively.
4. the shear test block of high-strength metal material according to claim 1, it is characterised in that:The canned paragraph it is described
The end face of one end is parallel with the two side faces of the test section.
5. the shear test block of high-strength metal material according to claim 1, it is characterised in that:The length of the test section
For 2mm ~ 10mm.
6. the shear test block of high-strength metal material according to claim 1, it is characterised in that:The thickness of the test specimen is
0.5mm~2mm。
7. the shear test block of high-strength metal material according to claim 1, it is characterised in that:The test specimen is symmetrical
Part, and the test specimen center line consistent with the length direction of the test specimen with bearing of trend is as symmetry axis.
8. the shear test block of high-strength metal material according to claim 1, it is characterised in that:The test specimen is integrated into
Type flat part.
9. the shear test block of the high-strength metal material according to claim 1 ~ 8, it is characterised in that:The pockets bag
Include rectangular recess one and notch from the groove one to the other end of the canned paragraph extend and taper into it is recessed
Groove two, the stretch section include rectangle stretch section body of the one end in the groove one and are formed in the stretch section
The stretch section extension that described one end of body and the length direction along the stretch section body extend into the groove two,
The test section is separately positioned on two sides of the stretch section body and the institute respectively with respective respective side of test section described in two sides
The cell wall for stating groove one is fixedly connected.
10. the shear test block of high-strength metal material according to claim 9, it is characterised in that:The canned paragraph includes
One end is provided with the canned paragraph body of the pockets and the other end for being formed in the canned paragraph body and along the canned paragraph
The canned paragraph extension that the length direction of body extends, the bare terminal end of the canned paragraph extension and the cupping machine are fixed
Connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611223891.2A CN106525569B (en) | 2016-12-27 | 2016-12-27 | Shearing test piece of high-strength metal material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611223891.2A CN106525569B (en) | 2016-12-27 | 2016-12-27 | Shearing test piece of high-strength metal material |
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Publication Number | Publication Date |
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CN106525569A true CN106525569A (en) | 2017-03-22 |
CN106525569B CN106525569B (en) | 2023-06-06 |
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CN201611223891.2A Active CN106525569B (en) | 2016-12-27 | 2016-12-27 | Shearing test piece of high-strength metal material |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109612803A (en) * | 2019-01-25 | 2019-04-12 | 中国工程物理研究院总体工程研究所 | It is a kind of for measuring the tensile test specimen of material dynamic performance |
CN114295436A (en) * | 2021-12-16 | 2022-04-08 | 齐鲁工业大学 | Shear sample and fracture strain testing method |
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DE2922142A1 (en) * | 1979-05-31 | 1980-12-04 | Eduard Dipl Ing Vogler | Versatile compact extending ladder - has hinge bar chain and shears piece with chain link, in stringers |
DE3031873A1 (en) * | 1980-08-23 | 1982-04-01 | Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen | Clamp head for tensile strain testing machines - has segmented conical bush in cylindrical holder for easy insertion |
JPS59193336A (en) * | 1983-04-18 | 1984-11-01 | Rikagaku Kenkyusho | Measurement of shearing characteristic of plate surface |
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CN201477012U (en) * | 2009-08-14 | 2010-05-19 | 阳建红 | Clamping apparatus for variable-angle shear test |
CN101793645A (en) * | 2009-11-27 | 2010-08-04 | 清华大学 | Deformation-compensated high-strength metal sheet shear test block |
CN102323140A (en) * | 2011-08-11 | 2012-01-18 | 西北工业大学 | Sample and clamp for thin walled tube high temperature tensile test |
CN103018101A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Clamp for high temperature tensile test of ceramic matrix composite material |
CN203191255U (en) * | 2013-04-27 | 2013-09-11 | 燕兰 | Axial tensile test harness and matched clamp |
CN103411839A (en) * | 2013-08-06 | 2013-11-27 | 西北工业大学 | Metal electrification shearing test device and test method |
CN103674632A (en) * | 2012-09-12 | 2014-03-26 | 中航惠腾风电设备股份有限公司 | Equipment for precisely producing tensile shear test piece |
CN205593859U (en) * | 2016-04-12 | 2016-09-21 | 江苏科技大学 | Galley proof piece attach fitting shear strength measuring device |
CN206399728U (en) * | 2016-12-27 | 2017-08-11 | 清华大学苏州汽车研究院(相城) | The shear test block of high-strength metal material |
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Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2922142A1 (en) * | 1979-05-31 | 1980-12-04 | Eduard Dipl Ing Vogler | Versatile compact extending ladder - has hinge bar chain and shears piece with chain link, in stringers |
DE3031873A1 (en) * | 1980-08-23 | 1982-04-01 | Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen | Clamp head for tensile strain testing machines - has segmented conical bush in cylindrical holder for easy insertion |
JPS59193336A (en) * | 1983-04-18 | 1984-11-01 | Rikagaku Kenkyusho | Measurement of shearing characteristic of plate surface |
SU1249386A1 (en) * | 1984-07-10 | 1986-08-07 | Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского | Specimen for shear testing |
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CN201477012U (en) * | 2009-08-14 | 2010-05-19 | 阳建红 | Clamping apparatus for variable-angle shear test |
CN101793645A (en) * | 2009-11-27 | 2010-08-04 | 清华大学 | Deformation-compensated high-strength metal sheet shear test block |
CN102323140A (en) * | 2011-08-11 | 2012-01-18 | 西北工业大学 | Sample and clamp for thin walled tube high temperature tensile test |
CN103674632A (en) * | 2012-09-12 | 2014-03-26 | 中航惠腾风电设备股份有限公司 | Equipment for precisely producing tensile shear test piece |
CN103018101A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Clamp for high temperature tensile test of ceramic matrix composite material |
CN203191255U (en) * | 2013-04-27 | 2013-09-11 | 燕兰 | Axial tensile test harness and matched clamp |
CN103411839A (en) * | 2013-08-06 | 2013-11-27 | 西北工业大学 | Metal electrification shearing test device and test method |
CN205593859U (en) * | 2016-04-12 | 2016-09-21 | 江苏科技大学 | Galley proof piece attach fitting shear strength measuring device |
CN206399728U (en) * | 2016-12-27 | 2017-08-11 | 清华大学苏州汽车研究院(相城) | The shear test block of high-strength metal material |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109612803A (en) * | 2019-01-25 | 2019-04-12 | 中国工程物理研究院总体工程研究所 | It is a kind of for measuring the tensile test specimen of material dynamic performance |
CN114295436A (en) * | 2021-12-16 | 2022-04-08 | 齐鲁工业大学 | Shear sample and fracture strain testing method |
CN114295436B (en) * | 2021-12-16 | 2023-09-19 | 齐鲁工业大学 | Shear test specimen and breaking strain test method |
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