Aging property of AZ91D magnesium alloy screw thread-rolled at room temperature using extrusion-torsion simultaneous processing

Mitsuaki Furui*, Shouyou Sakashita, Shougo Suzuki, Tetsuo Aida, Yuusuke Ishisaka, Masayuki Yamamoto, Masayuki Ohta

*この論文の責任著者

研究成果: 書籍の章/レポート/会議録会議への寄与査読

抄録

We have proposed a new extrusion process functionally combined with torsion. Extrusion-torsion simultaneous processing is a very attractive technique for fabricating a rod-shape material with high strength and excellent workability. To improve the hardness, the aging treatment was performed with AZ91D magnesium alloy screw thread-rolled at room temperature using extrusion-torsion simultaneous processing. The distribution of hardness from the tip to center in as thread-rolled screw was modified to uniform distribution by the isothermal aging treatment at 423 K for 460.8 ks. The peak hardness was not depended on the working temperature and rotation speed during extrusion-torsion simultaneous processing. β-Mg17Al12 precipitates are obviously grown in as peak-aged condition comparing with as thread-rolled condition.

本文言語英語
ホスト出版物のタイトルTHERMEC 2016
編集者Christof Sommitsch, Mihail Ionescu, Brajendra Mishra, Brajendra Mishra, Ernst Kozeschnik, T. Chandra
出版社Trans Tech Publications Ltd
ページ2450-2455
ページ数6
ISBN(印刷版)9783035711295
DOI
出版ステータス出版済み - 2017
イベント9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016 - Graz, オーストリア
継続期間: 2016/05/292016/06/03

出版物シリーズ

名前Materials Science Forum
879
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

学会

学会9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016
国/地域オーストリア
CityGraz
Period2016/05/292016/06/03

ASJC Scopus 主題領域

  • 材料科学一般
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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