Effect of hot isostatic pressing procedure on performance of Ti6Al4V: Surface qualities, microstructure and mechanical properties

被引：84

作者：

Cai, Chao ^{[1
]}

Song, Bo ^{[1
]}

Xue, Pengju ^{[1
]}

Wei, Qingsong ^{[1
]}

Wu, Jia-min ^{[1
]}

Li, Wei ^{[1
]}

Shi, Yusheng ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 686卷

关键词：

Hot isostatic pressing; Surface qualities; Tensile strength; Fatigue limit; TI-5AL-5MO-5V-1CR-1FE TITANIUM-ALLOY; NICKEL-BASED SUPERALLOY; BASKET-WEAVE MICROSTRUCTURE; HIGH-CYCLE FATIGUE; TI-6AL-4V ALLOY; TENSILE PROPERTIES; WROUGHT TI-6AL-4V; POWDER; TEMPERATURE; BEHAVIOR;

D O I：

10.1016/j.jallcom.2016.05.280

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effects of two different procedures (SL: simultaneous loading, AL: asynchronous loading) on the surface qualities, microstructure and mechanical properties of Ti6Al4V alloy part during hot isostatic pressing (HIP) were investigated. It was found that, in AL process, the surface qualities significantly improved. Both of microstructure were composed of equiaxed grains and lamellar structure, as well as the prior particle boundaries (PPBs) were clearly observed in SL process. Moreover, tensile strength of samples fabricated by the two different procedures was exactly similar. However, the fatigue limit of parts fabricated from AL process was higher than that of parts produced from SL process. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：55 / 63

页数：9

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