1058 アルミニウム合金の超長寿命域回転曲げ疲労特性に対するアルマイト処理の影響(J12-5 金属材料の疲労特性と破壊機構(5) 低サイクル疲労/超高サイクル疲労,ジョイントセッション,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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Alumite treatment is one of typical surface treatments for aluminum alloy and it provides oxide layer (alumite) on the surface. The method has been widely used for aluminum alloy, because the alumite has some excellent characteristics such as wear resistance, electric resistance and so on. Thus, fatigue tests were carried out for specimens having two different alumite treatments and without the treatment by means of a dual-spindle rotating bending fatigue testing machine. Fracture surfaces of all the failed specimens were observed by using SEM, and the fatigue fracture mechanisms were discussed from a viewpoint of the fractography paying an attention to the effect of the alumite treatments.
社団法人日本機械学会の論文
2008-08-02