Mechanical Properties of the Ti2AlNb Intermetallic: A Review

被引：45

作者：

Goyal, Kushagra ^{[1
]}

Sardana, Neha ^{[1
]}

机构：

[1] Indian Inst Technol Ropar, Dept Met & Mat Engn, Rupnagar 140001, Punjab, India

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2021年 / 74卷 / 08期

关键词：

Ti2AlNb alloy; Intermetallic; Orthorhombic alloy; Mechanical properties; HEAT-TREATMENT; O-PHASE; MICROSTRUCTURAL EVOLUTION; QUANTITATIVE-ANALYSIS; TI-22AL-25NB ALLOY; ORTHORHOMBIC PHASE; TENSILE PROPERTIES; LAMELLAR O; ROOM-TEMPERATURE; TITANIUM-ALLOYS;

D O I：

10.1007/s12666-021-02307-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Ti2AlNb intermetallics are promising next-generation aerospace materials. Advancement in non-conventional manufacturing methods has made the fabrication of these intermetallics economical. However, post-heat treatments are required to obtain desired mechanical properties, which further depend on the microstructural features of the intermetallics. Extensive studies have been conducted to understand the relation between mechanical behavior and microstructural features of this intermetallic. This review presents the effect of various microstructural features of (a) fully B2 and alpha 2 + B2, (b) fully lamellar, (c) bimodal lamellar, (d) equiaxed and duplex, and (e) plate-like O phase on room temperature properties, namely strength, ductility, and fracture mechanisms. Moreover, the review emphasizes the special microstructural features that are required to enhance the mechanical properties of the alloy.

引用

页码：1839 / 1853

页数：15

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