CN106525569A - Shear test specimen of high-strength metal material - Google Patents

Shear test specimen of high-strength metal material Download PDF

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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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Granted
Application number
CN201611223891.2A
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Chinese (zh)
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CN106525569B (en
Inventor
赖兴华
王磊
赵治国
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Suzhou Automotive Research Institute of Tsinghua University
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Suzhou Automotive Research Institute of Tsinghua University
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Priority to CN201611223891.2A priority Critical patent/CN106525569B/en
Publication of CN106525569A publication Critical patent/CN106525569A/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0025Shearing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape 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

A kind of shear test block of high-strength metal material
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.
CN201611223891.2A 2016-12-27 2016-12-27 Shearing test piece of high-strength metal material Active CN106525569B (en)

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CN201611223891.2A CN106525569B (en) 2016-12-27 2016-12-27 Shearing test piece of high-strength metal material

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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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CN106525569B CN106525569B (en) 2023-06-06

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2000214061A (en) * 1999-01-28 2000-08-04 Takenaka Komuten Co Ltd Method and device for shearing test of hard material
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

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2000214061A (en) * 1999-01-28 2000-08-04 Takenaka Komuten Co Ltd Method and device for shearing test of hard material
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)

* Cited by examiner, † Cited by third party
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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