Korean Journal of Materials Research, Vol.12, No.12, 955-961, December, 2002
진공 Hot Press법에 의한 TiNi/6061Al 지적 복합재료의 확산층 형성거동
Behavior of Diffusion Layer Formation for TiNi/6061Al Smart Composites by Vacuum hot Press
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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.
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