Ductility at Dynamic Strain Rate in Mechanically Alloyed Aluminum IN905XL (メカニカルアロイング<特集>)
スポンサーリンク
概要
- 論文の詳細を見る
Fine grained IN905XL aluminum alloys with five grain sizes between 0.8 and 8.1 μm have been developed by a combination of the mechanical alloying method and a conventional extrusion process in order to investigate the tensile properties at a dynamic strain rate of 2×10<SUP>3</SUP> s<SUP>-1</SUP> and a quasi-static strain rate of 1x10<SUP>-3</SUP> s<SUP>-1</SUP>. Total elongation at dynamic strain rates is generally larger than that at quasi-static strain rate. Total elongation also decreases with grain size for both strain rates. From an observation with scanning electron microscope (SEM), this trend is due to an initiation of micro-crack at the interface between the matrix and particles finely dispersed near grain boundary region, introduced during mechanically alloying processing, then leads elongation of alloys to small limited values.
- 社団法人 粉体粉末冶金協会の論文
- 1995-02-15
著者
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毛利 哲雄
北大
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MUKAI Toshiji
Osaka Municipal Technical Research Institute
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Ishikawa Koichi
Osaka Municipal Technical Research Institute
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Mukai Toshiji
Research Center For Advanced Science And Technology University Of Tokyo
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HIGASHI Kenji
Dept. Mechanical System Engineering, College of Engineering, University of Osaka Prefecture
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OKANDA Yoshihira
Osaka Municipal Technical Research Institute
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Okanda Yoshihira
Mechanical Engineering Department Osaka Municipal Technical Research Institute
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Higashi Kenji
Dept. Mechanical System Engineering College Of Engineering University Of Osaka Prefecture
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