Selective Laser Melting of Commercially Pure Molybdenum by Laser Rescanning.

IF 2.3 4区工程技术 Q3 ENGINEERING, MANUFACTURING

3D Printing and Additive Manufacturing Pub Date : 2023-08-01 Epub Date: 2023-08-09 DOI:10.1089/3dp.2021.0265

Navid Alinejadian, Pei Wang, Lauri Kollo, Konda Gokuldoss Prashanth

引用次数: 0

Abstract

Commercially pure (cp) molybdenum (Mo) is one of the high-temperature materials of immense potential. It has a body-centered cubic (bcc) structure so it is hard to fabricate using nonequilibrium processes such as the selective laser melting (SLM) without the formation of cracks due to its inherent brittleness. This study deals with the fabrication of dense and near crack-free cp-Mo samples produced by the SLM. The laser scan strategy is adjusted from a single scan to a double scan to reduce the solidification cracks. Samples produced with a laser double scan strategy show a density of ∼99% with a hardness of ∼222 HV.

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通过激光重扫描选择性激光熔化商业纯钼。

商业纯（cp）钼（Mo）是具有巨大潜力的高温材料之一。钼具有体心立方（bcc）结构，由于其固有的脆性，很难通过选择性激光熔融（SLM）等非平衡工艺制造而不形成裂纹。本研究涉及利用 SLM 制造致密且接近无裂纹的 cp-Mo 样品。激光扫描策略从单扫描调整为双扫描，以减少凝固裂纹。采用激光双扫描策略制作的样品密度达到了 ∼99% ，硬度达到了 ∼222 HV。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

3D Printing and Additive Manufacturing Materials Science-Materials Science (miscellaneous)

CiteScore

6.00

自引率

6.50%

发文量

126

期刊介绍： 3D Printing and Additive Manufacturing is a peer-reviewed journal that provides a forum for world-class research in additive manufacturing and related technologies. The Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Novel applications in new areas, such as medicine, education, bio-printing, food printing, art and architecture, are also encouraged. The Journal addresses the important questions surrounding this powerful and growing field, including issues in policy and law, intellectual property, data standards, safety and liability, environmental impact, social, economic, and humanitarian implications, and emerging business models at the industrial and consumer scales.