Microstructure evolution and mechanical properties of continuously-graded laminated composites of TiB<sub>2</sub>-based ceramic and TiC-Ni/Ti-6Al-4V alloy

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Microstructure evolution and mechanical properties of continuously-graded laminated composites of TiB2-based ceramic and TiC-Ni/Ti-6Al-4V alloy
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Affiliation:石家庄军械工程学院科研部,,,Section of teaching and research of manufacturing, Department of vehicle and electic engineering, Ordnance engineering college
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Based on fusion bonding and atomic interdiffusion between the liquid ceramic and molten Ti-based alloy, the laminated composites of TiB2-based ceramic and Ti-6Al-4V alloy were achieved by centrifugal reactive casting, and within the interlaminar region the composite microstructures of nano-structured gradient developed with the continously-graded evolution of TiB2 and TiB in spatial size. Interlaminar shear strength, flexural strength and fracture toughness measured 335 ± 35 MPa, 862 ± 45MPa and 45 ± 15 MPa, respectively.

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[Lu Xiaobo, Liu Hongbo, Liu Feng, Zhao Zhongmin. Microstructure evolution and mechanical properties of continuously-graded laminated composites of TiB₂-based ceramic and TiC-Ni/Ti-6Al-4V alloy[J]. Rare Metal Materials and Engineering,2018,47(S1):118~122.]
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Received:June 04,2017
Revised:February 11,2018
Adopted:February 12,2018
Online: October 22,2018
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