用于VCM钢板单向拉伸实验的数字散斑相关法应变检测

张德海; 刘吉彬

doi:10.3969/j.issn.1004-1478.2012.02.012

CN 41-1437/TS ISSN 2096-1553

用于VCM钢板单向拉伸实验的数字散斑相关法应变检测

张德海 , 刘吉彬

张德海, 刘吉彬. 用于VCM钢板单向拉伸实验的数字散斑相关法应变检测[J]. 轻工学报, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

引用本文: 张德海, 刘吉彬. 用于VCM钢板单向拉伸实验的数字散斑相关法应变检测[J]. 轻工学报, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

ZHANG De-hai and LIU Ji-bin. Strain detection of uniaxial tensile experiment of VCM multi-layer sheet using digital speckle correlation method[J]. Journal of Light Industry, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

Citation: ZHANG De-hai and LIU Ji-bin. Strain detection of uniaxial tensile experiment of VCM multi-layer sheet using digital speckle correlation method[J]. Journal of Light Industry, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

用于VCM钢板单向拉伸实验的数字散斑相关法应变检测

张德海 ,
刘吉彬

郑州轻工业学院机电工程学院, 河南郑州 450002
基金项目: 郑州轻工业学院博士科研基金资助项目
国家自然科学基金项目(50905012)
中图分类号: O436.1;TG386.32

Strain detection of uniaxial tensile experiment of VCM multi-layer sheet using digital speckle correlation method

ZHANG De-hai ,
LIU Ji-bin

College of Mech. and Electr. Eng., Zhengzhou Univ. of Light Ind., Zhengzhou 450002, China
Received Date: 2011-10-22
Available Online: 2012-03-15
CLC number: O436.1;TG386.32

摘要: 针对板料传统拉伸实验中应变获取仅限于拉伸断裂之后的数值等问题,应用数字散斑测量技术计算了应变,分别以深冲VCM钢板、非深冲VCM钢板及其组分材料为研究对象进行了单向拉伸实验,应用XJTUDIC散斑测量设备进行了同步检测,获得了材料沿x向、y向2个方向的应变数据,并以5种材料的轧制45°方向试样为例,分析了5种材料沿x向、y向2个方向的应变关系.结果表明:2种VCM钢板的应变能力明显优于2种钢板基板,非深冲VCM钢板和深冲VCM钢板x向的最大应变为68.743%和48.632%,y向的最大应变为-2.657%和-15.381%,其力学性能介于钢板与VCM薄膜之间,其中深冲VCM钢板的力学性能要优于非深冲VCM钢板.
- 数字散斑相关方法 /
- 应变检测 /
- VCM钢板 /
- 拉伸实验
Abstract: Digital speckle correlation method (DSCM) is introduced to solve the challenging problems such as that the strain is obtained on the time of failure during the traditional experimental process of sheet tensile mechanical properties.The calculations of strain were deduced using DSCM.The corresponding strains along x and y direction were obtained from uniaxial tension experiments.Synchronous detection was carried out application of XJTUDIC speckle measurement equipment,using the VCM deep-drawing multi-layer sheet,VCM non-deep drawing multi-layer sheet and their component material sheets as the targeted experimental objects,respectively.The relationships along both directions of the VCM multi-layer sheet and substrate and clad were analyzed from five kinds of material sample located rolling 45° direction.The results showed that strain of VCM multi-layer sheet was being improved after the file VCM clad was added using the three-dimensional speckle measurement technique.The maximum strains along x direction of VCM non-deep drawing multi-layer sheet and the VCM deep-drawing multi-layer sheet were 68.743% and 48.632%,y direction were -2.657% and -15.381% respectively.The mechanical properties of the VCM multi-layer sheet were between the mechanical properties of the substrate and film.The mechanical properties of the VCM deep-drawing multiple layers sheet was superior to those of the VCM non-deep drawing multi-layer sheet.
- digital speckle correlation method (DSCM) /
- strain detection /
- VCM multi-layer sheet /
- tensile experiment
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沈阳化工大学材料科学与工程学院沈阳 110142

张德海, 刘吉彬. 用于VCM钢板单向拉伸实验的数字散斑相关法应变检测[J]. 轻工学报, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

引用本文: 张德海, 刘吉彬. 用于VCM钢板单向拉伸实验的数字散斑相关法应变检测[J]. 轻工学报, 2012, 27(2): 50-54. doi: 10.3969/j.issn.1004-1478.2012.02.012

用于VCM钢板单向拉伸实验的数字散斑相关法应变检测

郑州轻工业学院机电工程学院, 河南郑州 450002

收稿日期: 2011-10-22
网络出版日期: 2012-03-15

基金项目: 郑州轻工业学院博士科研基金资助项目国家自然科学基金项目(50905012)

关键词:

摘要: 针对板料传统拉伸实验中应变获取仅限于拉伸断裂之后的数值等问题,应用数字散斑测量技术计算了应变,分别以深冲VCM钢板、非深冲VCM钢板及其组分材料为研究对象进行了单向拉伸实验,应用XJTUDIC散斑测量设备进行了同步检测,获得了材料沿x向、y向2个方向的应变数据,并以5种材料的轧制45°方向试样为例,分析了5种材料沿x向、y向2个方向的应变关系.结果表明:2种VCM钢板的应变能力明显优于2种钢板基板,非深冲VCM钢板和深冲VCM钢板x向的最大应变为68.743%和48.632%,y向的最大应变为-2.657%和-15.381%,其力学性能介于钢板与VCM薄膜之间,其中深冲VCM钢板的力学性能要优于非深冲VCM钢板.

English Abstract

Strain detection of uniaxial tensile experiment of VCM multi-layer sheet using digital speckle correlation method

College of Mech. and Electr. Eng., Zhengzhou Univ. of Light Ind., Zhengzhou 450002, China

Received Date: 2011-10-22
Available Online: 2012-03-15

Abstract: Digital speckle correlation method (DSCM) is introduced to solve the challenging problems such as that the strain is obtained on the time of failure during the traditional experimental process of sheet tensile mechanical properties.The calculations of strain were deduced using DSCM.The corresponding strains along x and y direction were obtained from uniaxial tension experiments.Synchronous detection was carried out application of XJTUDIC speckle measurement equipment,using the VCM deep-drawing multi-layer sheet,VCM non-deep drawing multi-layer sheet and their component material sheets as the targeted experimental objects,respectively.The relationships along both directions of the VCM multi-layer sheet and substrate and clad were analyzed from five kinds of material sample located rolling 45° direction.The results showed that strain of VCM multi-layer sheet was being improved after the file VCM clad was added using the three-dimensional speckle measurement technique.The maximum strains along x direction of VCM non-deep drawing multi-layer sheet and the VCM deep-drawing multi-layer sheet were 68.743% and 48.632%,y direction were -2.657% and -15.381% respectively.The mechanical properties of the VCM multi-layer sheet were between the mechanical properties of the substrate and film.The mechanical properties of the VCM deep-drawing multiple layers sheet was superior to those of the VCM non-deep drawing multi-layer sheet.