The effects of anodization treatment on the microstructure and fatigue behavior of 7075-T73 aluminum alloy

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Title:	The effects of anodization treatment on the microstructure and fatigue behavior of 7075-T73 aluminum alloy
Authors:	施登士;Shih, Teng-Shih;Lee, Tin-Hou;Jhou, Ying-Jhe
Contributors:	工學院機械工程學系
Keywords:	7075 aluminum alloy;Aluminum base alloys;anodization treatment;Anodizing;Fatigue (materials);fatigue life;Fatigue strength;Film thickness;Microstructure;Precipitates;Precipitation
Date:	2014-01-01
Issue Date:	2026-04-23 15:29:40 (UTC+8)
Publisher:	Japan Institute of Metals (JIM);Sendai: The Japan Institute of Metals and Materials
Abstract:	摘要： The fatigue behaviors of 7075-T73 alloy with/without anodization/sealing treatment were investigated in this study. The microstructure of different samples was analyzed by electron microscopy. As the experiments, the microstructure were observed from the anodized/sealed samples to indicate that precipitates trapped at subsurface near film/metal (f/m) interface would partly dissolved and the deformed matrix existed high fractions of high angle grain boundaries. The bare 7075-T73 alloy samples achieved fatigue strength of 225 MPa and the anodized/sealed samples enhanced their fatigue strength at 107 life cycles with 10–20 µm film thickness. The fractured anodized/sealed sample showed fine striation spacing than bare sample after subjected to low stress amplitude. 其他題名： Mater. Trans. 出版者： Sendai: The Japan Institute of Metals and Materials 出版日期： 2014 出處： MATERIALS TRANSACTIONS, 2014/08/01, Vol.55(8), pp.1280-1285 版權： 2014 The Japan Institute of Metals and Materials 版權： Copyright Japan Science and Technology Agency 2014 識別號： ISSN: 1347-5320 識別號： ISSN: 1345-9678 識別號： EISSN: 1347-5320 識別號： DOI: 10.2320/matertrans.M2014121
Appears in Collections:	[Departmant of Mechanical Engineering ] journal & Dissertation

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