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Fabrication of textured Ti2AlC lamellar composites with improved mechanical properties
Xie, Xi; Yang, Rui; Cui, Yuyou; Jia, Qing; Bai, Chunguang
2020-02-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume38Pages:86-92
AbstractTextured Ti2AlC lamellar composites have been successfully fabricated by a new method in the present work. The composites exhibit high compressive strength of ca 2 GPa, fracture toughness of 8.5 MPa m(1/2) (//c-axis), flexural strength of 735 MPa (//c-axis) and high hardness of 7.9 GPa (//c-axis). The strengthening mechanisms were discussed. The sintering and densification process was investigated and crystal orientation and microstructure were studied by electron backscattered diffraction techniques. The synthesis temperature is reduced to 1200 degrees C by using high surface-to-volume ratio Ti2AlC nano flakes. The Lotgering orientation factor of Ti2AlC and Ti3AlC2 {00l} planes in the textured top surface reaches 0.74 and 0.49, respectively. This new route may shed light on resolving the difficulties encountered in large scale fabrication of textured MAX phases. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
DOI10.1016/j.jmst.2019.05.070
WOS IDWOS:000503164100011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/83149
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Xie, Xi,Yang, Rui,Cui, Yuyou,et al. Fabrication of textured Ti2AlC lamellar composites with improved mechanical properties[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,38:86-92.
APA Xie, Xi,Yang, Rui,Cui, Yuyou,Jia, Qing,&Bai, Chunguang.(2020).Fabrication of textured Ti2AlC lamellar composites with improved mechanical properties.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,38,86-92.
MLA Xie, Xi,et al."Fabrication of textured Ti2AlC lamellar composites with improved mechanical properties".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 38(2020):86-92.
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