IMECH-IR  > 非线性力学国家重点实验室
Development of in-situ SEM torsion tester for microscale materials
Chen B(陈博)1,3; Yang R(杨荣)1; Dong J3,4; Wang SF(王素芳)1,3; Wang J(王军)1,3; Huan Y(郇勇)1,2,3
Source PublicationMEASUREMENT
2019-06-01
Volume139Pages:421-425
ISSN0263-2241
Abstract

An in-situ SEM (scanning electron microscope) micro-torsion tester with high resolution is developed based on electromagnetism. The torque is controlled and measured using a coil-magnet component. The torsion angle is measured by a non-contact transducer based on Hall-effect. The calibration results show that the torque capacity of this tester is 1.6 x 10(-4) Nm with resolution of 1 x 10(-9) Nm. In-situ torsion test of MG (metallic glass) wire (Pd40Cu30Ni10P20) with a diameter of 111 mu m and a length of 3 mm is performed using this tester in SEM. A linear torque-torsion angle curve is obtained and the calculated shear modulus of the sample is 24.7 GPa. Meanwhile, the deformation process of the sample is simultaneously observed using SEM. It is the first time that the measurement of shear stress-strain and high resolution morphology observation are carried out simultaneously. (C) 2019 Elsevier Ltd. All rights reserved.

KeywordIn-situ Torsion test Micro-scale Metallic glass wire
DOI10.1016/j.measurement.2019.03.034
Indexed BySCI ; EI
Language英语
WOS IDWOS:000464638000046
WOS Research AreaEngineering ; Instruments & Instrumentation
WOS SubjectEngineering, Multidisciplinary ; Instruments & Instrumentation
Funding ProjectNational Natural Science Foundation of China[11372323] ; National Natural Science Foundation of China[11772336] ; CAS Key Technology Talent Program ; Project of Function Development on Scientific Instruments of Chinese Academy of Sciences
Funding OrganizationNational Natural Science Foundation of China ; CAS Key Technology Talent Program ; Project of Function Development on Scientific Instruments of Chinese Academy of Sciences
Classification二类
Ranking1
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78709
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
4.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Chen B,Yang R,Dong J,et al. Development of in-situ SEM torsion tester for microscale materials[J]. MEASUREMENT,2019,139:421-425.
APA Chen B,Yang R,Dong J,Wang SF,Wang J,&Huan Y.(2019).Development of in-situ SEM torsion tester for microscale materials.MEASUREMENT,139,421-425.
MLA Chen B,et al."Development of in-situ SEM torsion tester for microscale materials".MEASUREMENT 139(2019):421-425.
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