Improvement of fatigue strength for titanium alloy compacts by MIM

Choe Jungho, Toshiko Osada, Kentaro Kudo, Fujio Tsumori, Hideshi Miura

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

Ti-6Al-4V alloy is paid the attention from the automotive and aerospace industries because of its outstanding specific strength and corrosion resistance. On the other hand, Ti-6Al-4V alloy has normally poor workability. Therefore, Metal Injection Molding (MIM) process is hoped to be one of the technique to reduce the manufacturing cost. Recently many researches for Ti-6Al-4V compacts by MIM process were reported, however, there are a few reports about fatigue fracture properties. According to our previous study, they presented a problem of low fatigue strength compared to wrought material. In this study, to improve the fatigue strength of Ti-6Al-4V compacts by MIM process, a little amount of boron was added by using TiB2 powder. Boron showed the effect of refining the grain size of lamellar structure of Ti-6Al-4V compacts, which lead to increase the fatigue strength.

本文言語英語
ホスト出版物のタイトルAdvances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015
出版社Metal Powder Industries Federation
ISBN(電子版)9781943694013
出版ステータス出版済み - 1 1 2015
イベント2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015 - San Diego, 米国
継続期間: 5 17 20155 20 2015

出版物シリーズ

名前Advances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015

その他

その他2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015
Country米国
CitySan Diego
Period5/17/155/20/15

All Science Journal Classification (ASJC) codes

  • Metals and Alloys
  • Surfaces and Interfaces

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