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  1. 防災科研関係論文

Effect of processing layer on fatigue strength of extruded AZ61 magnesium alloy

https://nied-repo.bosai.go.jp/records/5802
https://nied-repo.bosai.go.jp/records/5802
ee6fa45a-794f-4df7-a0aa-6fb15a7ce049
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Effect of processing layer on fatigue strength of extruded AZ61 magnesium alloy
言語
言語 eng
著者 Yukio Miyashita

× Yukio Miyashita

en Yukio Miyashita

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Kyohei Kushihata

× Kyohei Kushihata

en Kyohei Kushihata

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Toshifumi Kakiuchi

× Toshifumi Kakiuchi

en Toshifumi Kakiuchi

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Mitsuhiro Kiyohara

× Mitsuhiro Kiyohara

en Mitsuhiro Kiyohara

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抄録
内容記述タイプ Other
内容記述 Fatigue property of an extruded AZ61 magnesium alloy with the processing layer introduced by machining was investigated. Rotating bending fatigue tests were carried out with the specimen with and without the processing layer. According to results of the fatigue tests, fatigue life significantly increased by introducing the processing layer to the specimen surface. Fatigue crack initiation and propagation behaviors were observed by replication technique during the fatigue test. Fatigue crack initiation life of the specimen with the processing layer was slightly longer than that of the specimen without the processing layer. Higher fatigue crack growth resistance was also observed when the fatigue crack was growing in the processing layer in the specimen with the processing layer. The longer fatigue life observed in the fatigue test in the specimen with the processing layer could be mainly due to the higher crack growth resistance. It is speculated that the fatigue strength can be controlled by change in condition of machining process. It could be effective way in industry to improved fatigue strength only by the cutting process without additional surface treatment process. c (2014) Trans Tech Publications.
言語 en
書誌情報 en : Key Engineering Materials

巻 577-578, p. 429-432, 発行日 2014
出版者
言語 en
出版者 TRANS TECH PUBLICATIONS LTD
ISSN
収録物識別子タイプ EISSN
収録物識別子 1662-9795
DOI
関連識別子 10.4028/www.scientific.net/KEM.577-578.429
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