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논문 기본 정보

자료유형
학술저널
저자정보
Qun Yu (Beijing Jiaotong University) Zhenying Huang (Beijing Jiaotong University) Guangming Zheng (Beijing Jiaotong University) Wenqiang Hu (Beijing Jiaotong University) Cong Lei (Beijing Jiaotong University) Yuanbo Wang (Beijing Jiaotong University) Yidan Jiao (Beijing Jiaotong University) Hongxiang Zhai (Beijing Jiaotong University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.12
발행연도
2021.12
수록면
5,133 - 5,144 (12page)
DOI
10.1007/s12540-020-00836-0

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This paper focuses on the study of thermal shock behaviors of a novel TiCx?Ni3(Al,Ti)/Ni functionally graded material (FGM)fabricated from Ti3AlC2and Ni powders. Thermal shock resistance of resulted FGM was conducted by water quenching atdifferent temperatures, mechanical properties and microstructures after thermal shocks were correspondingly determined andcharacterized. The microstructure of the FGM after thermal shocks shows no cracks of instability failure between the transitionzones, and the reinforcement phases were closely combined with the matrix. Meanwhile, compared with the strengthof 1329 MPa without thermal shock, when the temperature of the thermal shock reached 800 °C and 1000 °C respectively,with 10 repeated heat-water quench cycles, the residual flexural strength of FGM decreased slightly, but it could still reach1100 MPa. Notably, the strength can still maintain at 843 MPa after 10 cycles of thermal shock at 1200 °C. Such excellentthermal shock performance may be the result of the good interfacial bonding and the special gradient structure, the oxidationlayer also plays a protective role.

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