The influence of selective laser melting (SLM) parameters on physical, and mechanical properties of AlSi10Mg cylindrical specimen

被引：0
|
作者：
Mohan, R. Raj [1 ]
Krishnan, Navaneetha S. [1 ]
Sakthivel, B. [1 ]
Ramya, J. [2 ]
Sindhumathi, R. [1 ]
机构：
[1] SASTRA Univ, Bajaj Engn Skills Training BEST Ctr, Thanjavur 613401, Tamil Nadu, India
[2] SASTRA Univ, Sch Comp, Thanjavur 613401, Tamil Nadu, India
来源：
PHYSICA SCRIPTA | 2025年 / 100卷 / 02期
关键词：
WEAR BEHAVIOR; OPTIMIZATION; SURFACE; ALLOY; MICROSTRUCTURE; DENSIFICATION; POROSITY; QUALITY;
D O I：
10.1088/1402-4896/ada46c
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
AlSi10Mg cylindrical specimens were fabricated using the Laser-based Powder Bed Fusion (L-PBF) process, focusing on optimizing scanning speed, hatch spacing, and layer height through the box-behnken design (BBD). The study aimed to minimize surface roughness and maximize relative density. The analysis involved ANOVA, regression analysis, and composite desirability, revealing that hatch spacing and layer height significantly influence relative density and surface roughness. Under optimized conditions (scanning speed: 500 mm s-1, hatch spacing: 100 microns, layer height: 30 microns), the L-PBF specimen achieved a 96.70% relative density, 2.07 microns surface roughness (Ra), and an average microhardness of 124.9 HV0.5 (longitudinal) and 120.5 HV0.5 (transverse).
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页数：13
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