Age hardening and fatigue strength of Al-Zn alloys with high Zn concentration.
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- SAKAKIBARA Akira
- Faculty of engineering, Okayama University
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- KANADANI Teruto
- Faculty of engineering, Okayama University of Science
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- HOSOKAWA Norio
- Faculty of engineering, Okayama University of Science
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- TANIMOTO Tadashi
- Faculty of engineering, Okayama University of Science
Bibliographic Information
- Other Title
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- 高濃度のZnを含有するAl一Zn合金の時効硬化と疲労強度
- 高濃度のZnを含有するAl-Zn合金の時効硬化と疲労強度
- コウ ノウド ノ Zn オ ガンユウスル Al Zn ゴウキン ノ ジコウ コ
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Abstract
Soft surface layer formed after low temperature aging was studied on Al–12, 16, 18 and 20 mass%Zn alloy by means of hardness test and resistometry. The soft surface layer could not be observed in 20%Zn alloy aged at 273 K when the quenching temperature was higher than 673 K. The thickness of the soft surface layer in the specimen aged at 273 K after quenching from 673 K decreased with increase of Zn concentration. Aging curve in resistivity showed the depression of the growth of GP zones in the surface layer relative to the interior of the specimen. Fatigue strength in the repeated tensile mode was higher when the soft surface layer formed during aging was thicker. The soft surface layer formed by partial reversion treatment also increased fatigue strength.
Journal
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- Journal of Japan Institute of Light Metals
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Journal of Japan Institute of Light Metals 48 (2), 98-102, 1998
The Japan Institute of Light Metals
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Keywords
Details 詳細情報について
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- CRID
- 1390001206337058048
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- NII Article ID
- 10002664461
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- NII Book ID
- AN00069773
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- COI
- 1:CAS:528:DyaK1cXhsV2rsb4%3D
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- ISSN
- 18808018
- 04515994
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- NDL BIB ID
- 4413754
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed