Design a novel TiAl/Ti2AlNb laminated composite with high toughness prepared by foil-foil metallurgy

被引：15

作者：

Li, Donghai ^{[1
]}

Wang, Binbin ^{[1
]}

Luo, Liangshun ^{[1
]}

Li, Xuewen ^{[2
]}

Xu, Yanjin ^{[3
]}

Li, BinQiang ^{[1
]}

Wang, Liang ^{[1
]}

Su, Yanqing ^{[1
]}

Guo, Jingjie ^{[1
]}

Fu, Hengzhi ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mat Sci & Engn, Natl Key Lab Precis Hot Proc Met, Harbin 150001, Peoples R China

[2] Nanjing Tech Univ, Key Lab Lightweight Mat, Nanjing 211816, Peoples R China

[3] AVIC Mfg Technol Inst, Beijing 100024, Peoples R China

来源：

MATERIALS LETTERS | 2021年 / 303卷

关键词：

Laminates; Microstructure; Interface bonding; Mechanical properties; Toughening mechanisms; TEMPERATURE; BEHAVIOR; TENSILE;

D O I：

10.1016/j.matlet.2021.130463

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

TiAl/Ti2AlNb laminated composite has been successfully fabricated by hot pressing combined with the foil-foil metallurgy. The corresponding details about the microstructure evolution are discussed, and the metallurgical interface bonding can be achieved in the composite. Fracture toughness tests indicate the fracture toughness of this composite is increased by 77% over the TiAl matrix; meanwhile, the former behaves an enhanced crack damage tolerance ability. At last, the toughening mechanisms of the laminated composite are illuminated in detail.

引用

页数：4

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