Effect of heat treatment process on property and corrosion resistance of additively formed Inconel 625 alloy

被引：0
|
作者：
Xu, Youwei [1 ]
Yang, Jinghui [1 ]
Shi, Yu [1 ]
Zhang, Wenzhu [1 ]
Cai, Xuanyu [1 ]
Wang, Wei [1 ]
Li, Chunhua [2 ]
Wu, Guoqing [3 ]
机构：
[1] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
[2] Dongguan Eontec Co Ltd, Dongguan 523000, Peoples R China
[3] Jiuquan Iron & Steel Grp Co Ltd, Jiayuguan 735100, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2025年 / 924卷
关键词：
Inconel 625 (A); Wire laser additive manufacturing (B); Subgrain segregation (C); Heat treatment (C); HIGH-CYCLE FATIGUE; MECHANICAL-PROPERTIES; RESIDUAL-STRESS; DELTA-PHASE; MICROSTRUCTURE; TEMPERATURE; BEHAVIOR; EVOLUTION; STEELS;
D O I：
10.1016/j.msea.2024.147738
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This study examines the effects of various heat treatments on the mechanical properties and corrosion resistance of Inconel 625 alloy produced via laser wire melting. The as-deposited alloy exhibits residual stresses due to multiple thermal cycles, characterized by columnar dendrites with sub-crystalline segregation. Stress relief treatment at 750 degrees C enhances strength through diffusion strengthening and stress relief, while treatment at 1150 degrees C improves elongation by transforming dendrites and removing subgrain structures. Both treatments slightly and substantially enhance corrosion resistance, respectively, highlighting the importance of developing effective heat treatment strategies for additive manufacturing components.
引用
收藏
页数：15
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