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Additive manufacturing of tungsten,tungsten-based alloys,and tungsten matrix composites

Tungsten 2023年第1期5卷 1-31页

作者： Shuai-Hang Pan Gong-Cheng Yao Yi-Nan Cui Fan-Shi Meng Chuan Luo Tian-Qi Zheng gurminder singh Department of Mechanical Engineering University of UtahSalt Lake CityUT 84112USA University of California-Los Angeles Los AngelesCA 90095USA Department of Engineering Mechanics Tsinghua UniversityBeijing 100084China University of Grenoble Alpes CNRSGrenoble INPSIMaP38000 GrenobleFrance Department of Civil and Systems Engineering Johns Hopkins University3400 N.Charles StreetBaltimoreMD 21218USA Department of Mechanical and Energy Engineering Southern University of Science and TechnologyShenzhen 518055China School of Mechanical and Materials Engineering University College DublinDublin 4Ireland Department of Mechanical Engineering Indian Institute of Technology BombayMumbai 400076India

Tungsten(W) materials are gaining more and more attention due to the extended applications of metallic systems in the extreme *** W’s unique characteristics like room-temperature brittleness,additive manufacturing(AM)techniques could give them a higher design flexibility and *** the growing focus and thriving development of W-faced AM techniques,since the mechanical performance of additively manufactured W parts is still unsatisfactory,a critical review to further explore the possibilities of combining W and AM processes is urgently *** this review,we systematically explain the fundamentals of AM processes for W *** the traditional classification,we further discuss the widely used AM processes including wire arc additive manufacturing(WAAM),electron beam melting(EBM),laser powder bed fusion(LPBF),laser direct energy deposition(laser DED),and other modified yet emergent AM ***,since additively manufacturing W materials is processing parameter-sensitive,we illustrated the effects of various important processing parameters on the AM process control and final parts’ *** this detailed understanding,various categories of AM-compatible W materials(i.e.,pure W,W alloys,and W composites) were presented,and their general mechanical performance,distinct role(particularly the role of different alloying elements and added secondary-phase particles in W),and application-oriented benefits have been *** clarifying the current status,main challenges,and triumphant successes for additively manufacturing W materials,we further provide a concise prospect into the development of additively manufactured(AMed) W materials by integrating potential fabrication,measurement,alloy design,and application’s *** summary,this critical review investigates the fundamental and practical problems crucially limiting the applications of AMed W materials,and the comprehensive discussion concentr

关键词： Tungsten Additive manufacturing Alloy design Composite design Cracking Mechanical properties

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