常見例句The fatigue limit of 45 steel has increased by a fac-tor of 55 and 74%. 45鋼的疲勞極限分別提高55%25和74%25。Compressive residual stress are the main factor in the increase of torsion fatigue limit. 噴丸後扭轉(zhuǎn)疲勞極限提高的主要原因是殘餘壓應(yīng)力的作用。It is proved that plain concrete does not have a fatigue limit while for FRC it is uncertain. 結(jié)果素混凝土不存在疲勞機(jī)限;纖維混凝土是否存在確定的疲勞極限值仍屬未知;Compressive residual stress are the main factor in the increase of torsion fatigue limit . 噴丸後扭轉(zhuǎn)疲勞極限提高的主要原因是殘餘壓應(yīng)力的作用。Results showed that the fatigue behavior of the YW-1 adhesive beared a resemblance to that of the metal material and the fatigue limit value of the copper oxide-phosphate inorganic adhesive was equal to 41 25% of the static strength value. 結(jié)果表明 :磷酸氧化銅無機(jī)膠的抗拉疲勞特性與金屬材料的特性較相似 ,該無機(jī)膠的抗拉疲勞極限爲(wèi)其靜拉伸剪切強(qiáng)度的 41 2 5%25。After experimental data processing, material's viscousness coefficient was acquired and a new method to determine fatigue limit by the threshold of plasticity energy dissipation was given. 通過對(duì)試騐數(shù)據(jù)的分析,求出了材料的黏性系數(shù),給出了利用塑性能耗的起點(diǎn)確定材料疲勞極限的方法。 返回 fatigue-limit