Effect of heat treatment on microstructure and mechanical characteristics of laser powder bed fusion (LPBF) produced CuCrZr alloy

被引：4
作者：
Jeyaprakash, N. [1 ,2 ]
Alnaser, Ibrahim A. [3 ]
Cheng, Yanhai [1 ,2 ]
Karuppasamy, Sundara Subramanian [4 ]
机构：
[1] China Univ Min & Technol, State Key Lab Intelligent Min Equipment Technol, Xuzhou 221116, Peoples R China
[2] China Univ Min & Technol, Sch Mech & Elect Engn, Xuzhou 221116, Peoples R China
[3] King Saud Univ, Coll Engn, Mech Engn Dept, Riyadh 11421, Saudi Arabia
[4] Natl Taipei Univ Technol, Grad Inst Mfg Technol, Taipei 10608, Taiwan
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 197卷
关键词：
CuCrZr alloy; LPBF process; Heat treatment; Nanowear; Tensile properties; TEXTURE EVOLUTION; RESIDUAL-STRESS; SUPERALLOY; BEHAVIOR; SURFACE; WEAR; ZR;
D O I：
10.1016/j.triboint.2024.109826
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work, the CuCrZr alloy was fabricated by employing the laser powder bed fusion (LPBF) process. For elevating the mechanical characteristics offered by the LPBF parts, heat treatment was performed and three cooling pathways such as water quenching, air cooling and furnace cooling were adapted. The obtained results showed that the water quenching leads to the formation of more craters in its microstructure compared to the air cooled and furnace cooled samples. The nanoindentation analysis revealed that the furnace cooled sample had higher hardness (1.56 GPa) which is attributed to the precipitation of Cu-Zr intermetallic precipitates. Moreover, this sample tends to have a low wear rate and higher tensile characteristics due to the formation of intermetallic precipitates.
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页数：15
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