A Review on Laser Powder Bed Fusion of Inconel 625 Nickel-Based Alloy

被引：132

作者：

Tian, Zhihua ^{[1
,2
]}

Zhang, Chaoqun ^{[1
]}

Wang, Dayong ^{[3
,4
]}

Liu, Wen ^{[5
]}

Fang, Xiaoying ^{[6
]}

Wellmann, Daniel ^{[1
,7
]}

Zhao, Yongtao ^{[2
]}

Tian, Yingtao ^{[7
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai Key Lab Digital Manufacture Thin Walled, Shanghai 200240, Peoples R China

[2] Inner Mongolia Univ Sci & Technol, Sch Mat & Met, Baotou 014010, Peoples R China

[3] Dong Fang Turbine Co Ltd, State Key Lab Long Life High Temp Mat, Deyang 61800, Peoples R China

[4] Dongfang Elect Corp Dongfang Turbine Co Ltd, Deyang 618000, Peoples R China

[5] Univ Cambridge, Dept Engn, Cambridge CB3 0FS, England

[6] Shandong Univ Technol, Inst Adv Mfg, Zibo 255049, Peoples R China

[7] Univ Lancaster, Dept Engn, Lancaster LA1 4YW, England

来源：

APPLIED SCIENCES-BASEL | 2020年 / 10卷 / 01期

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

additive manufacturing; laser powder bed fusion; Inconel; 625; heat treatment; mechanical properties; CRACK PROPAGATION BEHAVIOR; MECHANICAL-PROPERTIES; MICROSTRUCTURAL EVOLUTION; PROCESS PARAMETERS; FATIGUE BEHAVIOR; THERMAL-BEHAVIOR; YIELD STRENGTH; SURFACE FINISH; HEAT-TREATMENT; SUPERALLOY;

D O I：

10.3390/app10010081

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Inconel 625 (IN625) superalloy has a high strength, excellent fatigue, and creep resistance under high-temperature and high-pressure conditions, and is one of the critical materials used for manufacturing high-temperature bearing parts of aeroengines. However, the poor workability of IN625 alloy prevents IN625 superalloy to be used in wider applications, especially in applications requiring high geometrical complexity. Laser powder bed fusion (LPBF) is a powerful additive manufacturing process which can produce metal parts with high geometrical complexity and freedom. This paper reviews the studies that have been done on LPBF of IN625 focusing on the microstructure, mechanical properties, the development of residual stresses, and the mechanism of defect formation. Mechanical properties such as microhardness, tensile properties, and fatigue properties reported by different researchers are systematically summarized and analyzed. Finally, the remaining issues and suggestions on future research on LPBF of IN625 alloy parts are put forward.

引用

页数：14

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