Synergistic Improvement in Ductility and Hot Nitric Acid Corrosion Resistance of LPBF Ti-6Al-4V Alloy via Hot Isostatic Pressing

被引：0
|
作者：
Liu, Zheng [1 ,2 ]
Ren, De-Chun [3 ]
Zhang, Lian-Min [1 ]
Ma, Ai-Li [1 ]
Ji, Hai-Bin [3 ]
Zheng, Yu-Gui [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
[2] Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
来源：
ACTA METALLURGICA SINICA-ENGLISH LETTERS | 2025年 / 38卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Laser powder bed fusion; Ti-6Al-4V; Hot isostatic pressing; Corrosion; Mechanical properties; NACL SOLUTION; BEHAVIOR; MICROSTRUCTURE;
D O I：
10.1007/s40195-024-01777-y
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Laser powder bed fusion (LPBF) technology offers a promising solution to the fabricability challenges of titanium alloys; however, it introduces defects such as porosity and cracking. Here, we evaluated the effectiveness of hot isostatic pressing (HIP) in eliminating defects and enhancing the overall properties of LPBF Ti-6Al-4V alloy. Our findings indicated that LPBF Ti-6Al-4V alloy after HIP established better corrosion resistance and ductility. These improvements could be related to the decomposition of alpha' phase and the elimination of internal defects within alloy matrix. Furthermore, the application prospect of LPBF Ti-6Al-4V alloy in spent fuel reprocessing environment was expounded.
引用
收藏
页码：102 / 106
页数：5
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