The influence of melt hydrogenation on Ti600 alloy

被引：9

作者：

Wang, Liang ^{[1
]}

Luo, Liangshun ^{[1
]}

Wu, Shiping ^{[1
]}

Su, Yanqing ^{[1
]}

Wang, Shujie ^{[1
]}

Wang, Guotian ^{[1
]}

Guo, Jingjie ^{[1
]}

Fu, Hengzhi ^{[1
]}

机构：

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

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 11期

关键词：

Ti600; alloy; Hydrogen; Structures; Phase; Mechanical properties; TEMPERATURE DEFORMATION-BEHAVIOR; TITANIUM;

D O I：

10.1016/j.ijhydene.2014.01.185

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：

In this paper, melt hydrogenation, which is a new hydrogen treatment method, was used to hydrogenate Ti600 alloy, the relationship between the hydrogen partial pressure and the hydrogen content was built by analyzing experimental data, and microstructure was observed and mechanical properties was tested. It was found that hydrogen addition made the thickness of the solidified shell thinner and a big temperature gradient existed from the top to bottom surface of the alloy melt. With increasing hydrogen partial pressure, the directional solidification structure can be formed in the Ti600 alloy ingots. Microstructure of Ti600 alloy was modified significantly and the amount of alpha' and beta phases after melt hydrogenation. When increasing the content of hydrogen to 7.2 at.%, gamma hydride was obtained in Ti600 alloy. The flow stress and yield stress decrease with increasing the hydrogen content. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：6089 / 6094

页数：6

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