常見例句The flaking do increases and undulates the fatigue crack growth rate. 鋼中的白點(diǎn)能增加疲勞擴(kuò)展速率并使擴(kuò)展速率發(fā)生波動。The fractography of the fatigue crack initiation displayed cleavage f... 裂紋形成的斷裂為穿晶解理機(jī)制,預(yù)應(yīng)變可導(dǎo)致更多的二次裂紋。No evidence of fatigue crack extension was detected in the silver Memorial Bridge nor the Fremont Bridge. 在西爾費(fèi)紀(jì)念橋和弗里蒙特橋都沒有檢查出疲勞裂紋擴(kuò)展的證據(jù)。N. Shlyannikov, Z.B. Kuang, F.P. Yang (2004), Surface fatigue crack growth behavior, Russian journal Power Engineering Problems. 楊鳳鵬,林卓英(2004),表面裂紋疲勞擴(kuò)展的試驗(yàn),北京科技大學(xué)學(xué)報.The behaviours of fracture, fatigue and fatigue crack propagation in a cast magnesium alloy are systematically studied. 本文系統(tǒng)地研究了鑄造鎂合金的斷裂;疲勞和疲勞裂紋擴(kuò)展性能.The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 討論了冷軋工作輥接觸疲勞裂紋、剝落、夾雜物裂紋和磨損等失效形式。 返回 fatigue crack