期刊
MATERIALS TODAY-PROCEEDINGS
卷 50, 期 -, 页码 1653-1659出版社
ELSEVIER
DOI: 10.1016/j.matpr.2021.09.144
关键词
SLM; Hardness; DOE; AM
The study aims to investigate the effect of layer thickness and angle orientation on the hardness of SS316L stainless steel material. The results show that the best hardness (218.835 BHN) was achieved at an angle orientation of 90 degrees and a layer thickness of 40 mm.
Selective laser melting (SLM) is an additive manufacturing process in which layers of metallic powder are selectively melted and fused by a high-powered laser to form near-fully dense 3D components. The SS316L is an austenitic chromium-nickel stainless steel containing a deliberate amount of molybdenum which increases general corrosion resistance and especially improves its pitting resistance to chloride ion solutions. The importance of process parameter such as layer thickness and orientation of specimen on the hardness and microstructure are being explored. Hence, it is essential to carry out research in that direction. The aim of the study is to understand the effect of layer thickness and angle orientation on hardness of the material as it is one of the desirable properties for SS316 material. The excellent hardness (218.835 BHN) was attained at the angle orientation of 90 degrees and layer thickness of 40 mm according to ANOVA analysis. Copyright (c) 2021 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the 2nd International Conference on Functional Material, Manufacturing and Performances
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