Microstructure Evaluation of the Potential of Additive Manufactured Dissimilar Titanium-Aluminum Alloys

被引：4

作者：

Nagamatsu, Hideaki ^{[1
]}

Abe, Takeyuki ^{[2
]}

Sasahara, Hiroyuki ^{[3
]}

机构：

[1] Univ Electrocommun, Dept Mech Engn & Intelligent Syst, 1-5-1 Chofugaoka, Chofu, Tokyo 1828585, Japan

[2] Saitama Univ, Grad Sch Sci & Engn, 255 Shimo Okubo,Sakura Ku, Saitama 3388570, Japan

[3] Tokyo Univ Agr & Technol, Dept Mech Syst Engn, 2-24-16 Naka Cho, Koganei, Tokyo 1848588, Japan

来源：

MATERIALS | 2022年 / 15卷 / 24期

关键词：

additive manufacturing; wire and arc additive manufacturing; dissimilar metal deposition; titanium; aluminum; microstructure; input heat; penetration; MECHANICAL-PROPERTIES; WIRE; TI-6AL-4V; JOINT;

D O I：

10.3390/ma15249038

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：

Pure titanium (Ti) ERTi-2 was accumulated on an aluminum (Al) alloy ER5356 component via wire and arc additive manufacturing. The effect of processing parameters, mainly the input heat per unit length, on Ti/Al components was investigated. The microstructure of the Ti deposited layer and the Ti/Al reaction layer was analyzed using optical microscopy, scanning electron microscope, energy-dispersive spectroscopy, and an X-ray diffractometer. The fabrication of the surface layer equivalent to pure Ti as the used wire or Ti-Al alloy on the Al alloy components was achieved under low and high input heat conditions, respectively, although the Ti/Al components had low joinability and cracks at the reaction layer. Finally, the potential of additive-manufactured Ti/Al components with reference to our results and previous reports was discussed.

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页数：11

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