Microstructure, martensitic transformation, mechanical properties and shape memory effect of (TiBw+TiCp)/Ti-V-Al shape memory alloy composites

被引：10

作者：

Wang, Haizhen ^{[1
]}

Fu, Guoqiang ^{[1
]}

Sheng, Lijie ^{[2
]}

Sun, Wenshuo ^{[3
]}

Yang, Qin ^{[4
]}

Zhang, Shangzhou ^{[2
]}

Gao, Zhiyong ^{[3
]}

Chen, Jie ^{[4
]}

Yi, Xiaoyang ^{[1
]}

机构：

[1] Yantai Univ, Coll Nucl Equipment & Nucl Engn, Yantai 264005, Peoples R China

[2] Yantai Univ, Inst Adv Studies Precis Mat, Yantai 264005, Peoples R China

[3] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

[4] China Acad Engn Phys, Inst Machinery Mfg Technol, Mianyang 621900, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2022年 / 152卷

基金：

中国国家自然科学基金;

关键词：

Shape memory alloy; Microstructure; In situ reinforcement; Martensitic transformation; Mechanical properties; NITI; BEHAVIOR;

D O I：

10.1016/j.materresbull.2022.111868

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present investigation, the effect of the volume fraction of B4C ceramic particles on the microstructure, martensitic transformation, mechanical properties and strain recovery characteristics of Ti-V-Al shape memory alloy composites was explored. The results revealed that the addition of B4C ceramic particles resulted in the formation of in-situ TiB whiskers and TiC particles as well as grain refinement. Based on the introduction of in situ reinforcement and grain refinement, the martensitic transformation temperature of Ti-V-Al shape memory alloy composites gradually increased, as the B4C ceramic particle content increased from 0.5 vol.% to 10.0 vol.%. In summary, a lightweight Ti-V-Al shape memory alloy composite with high performance, including a higher martensitic transformation temperature, improved thermal cycling stability, higher strength and larger elastic modulus, can be obtained by adjusting the volume fraction of B4C ceramic particles.

引用

页数：10

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