3547 ステンレス鋼SUS304極薄板材の疲労特性に及ぼす試験片板厚の影響(S12-2 環境効果および薄板材,S12 先進性金属材料の疲労特性と組織)

概要

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Recently, because the micro-machine is noticed and electronic equipments are made much lighter and smaller, the demand for micro materials is increasing. The research which investigates the mechanical property of micro materials have been carried out. However the mechanical properties data of the micro materials obviously run short and the evaluation method of micro materials is different according to the researcher. Therefore, the establishment of the test method for the micro materials is very necessary. In this study, SUS304 thin sheets with thicknesses of 10μm and 20μm were used. Specimens were manufactured using electro-spark machining. Afterwards, the machined surface was polished. The fatigue tests were carried out using these specimens. As the results, it was seen that variation in fatigue lives of specimen with thickness of 10μm was larger than that with thickness of 20μm.
社団法人日本機械学会の論文
2006-09-15