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http://dx.doi.org/10.3740/MRSK.2002.12.12.955

Behavior of Diffusion Layer Formation for TiNi/6061Al Smart Composites by Vacuum hot Press  

Park, Kwang-Hoon (Center for Advanced Net Shape Manufacturing and Clean Process Dong-A University)
Park, Sung-Ki (Center for Advanced Net Shape Manufacturing and Clean Process Dong-A University)
Shin, Soon-Gi (Center for Advanced Net Shape Manufacturing and Clean Process Dong-A University)
Lee, Jun-Hee (Center for Advanced Net Shape Manufacturing and Clean Process Dong-A University)
Publication Information
Korean Journal of Materials Research / v.12, no.12, 2002 , pp. 955-961 More about this Journal
Abstract
2.7vol%TiNi/6061 Al composites with TiNi shape memory alloy as reinforcement were fabricated by vacuum hot press. It was investigated by OM, SEM, EPMA and XRD analysis for the behavior of diffusion layer formation on various heat treatment condition. Thickness of diffusion layer was increased proportionally according to heat treatment time. The layer was formed by the mutual diffusion of TiNi and Al. The diffusion rate from TiNi fiber to Al matrix was faster than that of reverse diffusion path. The more diffused layer was formed in Al matrix. The diffusion at interface layer was consisted of $A1_3$Ti, $Al_3$Ni analyzed by EPMA, XRD results.
Keywords
Hot Press; TiNi/6061 Al composites; Diffusion layer; microstructures;
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