書誌事項
- タイトル別名
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- Loading Frequency Effect on Fatigue Crack Growth Rate in Low-Pressure Hydrogen Gas Environment in the Case of 6061-T6 Aluminum Alloy
- テイアツ スイソ ガス カンキョウ チュウ ニ オケル アルミニウム ゴウキン A6061 T6 ノ ヒロウ キレツデンパソクド ニ オヨボス クリカエシ ソクド ノ エイキョウ
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In order to clarify the loading frequency effect on fatigue crack growth rate in hydrogen gas environment, fatigue crack growth tests were carried out on a 6061-T6 aluminum alloy at several loading frequency levels in a pure dry hydrogen gas, in air and in a pure dry nitrogen gas. Hydrogen enhances the fatigue crack growth rate. Moreover, the growth rate increases as the loading frequency decreases not only in hydrogen but also in nitrogen. The main cause of the loading frequency effect relate to thermal activation in plastic zone at the tip of a crack growing across grains by slipoff. The loading frequency effect concerning hydrogen itself could not be revealed. There exists a transition loading frequency below which the crack growth rate is practically independent of loading frequency.
収録刊行物
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- 日本機械学会論文集Ａ編
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日本機械学会論文集Ａ編 75 (760), 1746-1753, 2009
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282679454650624
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- NII論文ID
- 110007503871
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
- http://id.crossref.org/issn/03875008
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- NDL書誌ID
- 10541709
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
