纯钨和重钨合金的增材制造——最新工艺

IF 4 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Sasidhar Mudda, A. Raja Annamalai, A. Muthuchamy
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引用次数: 0

摘要

一层一层地打印零部件的过程是增材制造,它带来了设计、生产和向消费者分销商品的范式转变。金属增材制造实施了改变行业的制造生产战略。本文从扫描策略、体积能量密度和颗粒形貌等几个关键参数对钨及钨合金的可打印性进行了综述。钨的高熔点使其通过传统铸造的熔化极具挑战性。传统的制造方法已经使用了相当长的一段时间来解决这些挑战。在本文中,仅对增材制造技术进行了调查。粉末床熔合、定向能沉积和粘结剂喷射是钨及其合金3D打印研究中采用的革命性生产方法。关于重钨合金生产的3D零件的可打印性,只有少数文章可用。本文深入探讨了工艺条件对纯钨及其合金的球化现象、获得的相对密度和开裂倾向的影响。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Additive Manufacturing of Pure Tungsten and Tungsten Heavy Alloys-State-of-the-Art Processes

The process of printing components layer by layer is additive manufacturing, which has brought about a paradigm shift in the design, production, and distribution of goods to consumers. Metal additive manufacturing has executed an industry-changing manufacturing production strategy. In the current review article, the printability of tungsten and tungsten alloys are summarized by examining several crucial parameters, viz, scanning strategy, volumetric energy density, and particle morphology. The high melting point of tungsten renders its melting through conventional casting extremely challenging. Traditional manufacturing methods have been employed for quite some time to address these challenges. In this article, only additive manufacturing techniques are surveyed. Powder bed fusion, directed energy deposition, and binder jetting are revolutionary production methodologies employed for most of the research on the 3D printing of tungsten and its alloys. Only a few articles regarding the printability of 3D parts produced from tungsten-heavy alloys are available. This review probes deeper into the impact of process conditions on the balling phenomenon, the attained relative density, and the propensity for cracking in pure tungsten and its alloys.

Graphical abstract

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来源期刊
Metals and Materials International
Metals and Materials International 工程技术-材料科学:综合
CiteScore
7.10
自引率
8.60%
发文量
197
审稿时长
3.7 months
期刊介绍: Metals and Materials International publishes original papers and occasional critical reviews on all aspects of research and technology in materials engineering: physical metallurgy, materials science, and processing of metals and other materials. Emphasis is placed on those aspects of the science of materials that are concerned with the relationships among the processing, structure and properties (mechanical, chemical, electrical, electrochemical, magnetic and optical) of materials. Aspects of processing include the melting, casting, and fabrication with the thermodynamics, kinetics and modeling.
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