The Mechanical Properties of Direct Metal Laser Sintered Thin-Walled Maraging Steel (MS1) Elements

被引:6
|
作者
Bochnia, Jerzy [1 ]
Kozior, Tomasz [1 ]
Zyz, Jaroslaw [1 ]
机构
[1] Kielce Univ Technol, Fac Mechatron & Mech Engn, PL-25314 Kielce, Poland
关键词
thin-walled elements; direct metal laser sintering (DMLS); mechanica properties; maraging steel; BEHAVIOR;
D O I
10.3390/ma16134699
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The aim of this study was to explore the mechanical properties of thin-walled maraging steel (MS1) elements fabricated using direct metal laser sintering (DMLS). This article first explains the fabrication procedure and then analyzes the results of the static tensile strength tests and microscopic (SEM) examinations. From this study, it is evident that the mechanical properties of such objects, particularly their tensile strength, are not affected by the build direction; no significant anisotropy was found. The experiments confirm, however, that the mechanical properties of thin-walled elements fabricated from MS1 by DMLS are largely dependent on thickness. The microscopic images of such elements show local discontinuities in the macrostructure of the molten material (powder). Although the research described here mainly contributes to the field of additive manufacturing, it also considers some aspects of Lean manufacturing.
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页数:14
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