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http://dx.doi.org/10.3795/KSME-A.2002.26.2.275

Fracture Characteristic of TiNi/A16061 Share Memory Alloy Composite using Acoustic Emission Technique  

Lee, Jin-Kyung (동의대학교 기계공학과)
Park, Young-Chul (동의대학교 기계공학과)
Ku, Hoo-Taek (동아대학교 대학원)
Park, Dong-Sung (동아대학교 대학원)
Lee, Kyu-Chang (산업과학연구원 신뢰성 평가센타)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.26, no.2, 2002 , pp. 275-282 More about this Journal
Abstract
Tensile residual stress happen by difference of coefficients of thermal expansion between fiber and matrix is one of the serious problems in metal matrix composite(MMC). In this study, TiNi fiber was used to solve the tensile residual stress as the reinforced material. TiNi fiber improves the tensile strength of composite by occurring compressive residual stress in matrix using shape memory effect of it. Pre-strain was added to generate compressive residual stress inside TiNi/A16061 composite. It was also evaluated the effect of compressive residual stress corresponding to pre-strains variation. AE technique was used to clarify the microscopic damage behavior at high temperature and the effect of pre-strain difference of TiNi/A16061 shape memory alloy composite.
Keywords
Tensile Residual Stress; Shape Memory Effect; Pre-Strain; Acoustic Emission(AE) Technique; SMA;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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