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- An Analytical Formula for Calculating Fatigue Life? 一個(gè)估算疲勞壽命的解析公式?
- The prediction model of coiled tubing fatigue life. 連續油管疲勞壽命預測模型的建立。
- The fatigue life of 45 normalied steel would be decreased by prestretching. 微量的預應變會(huì )降低正火45鋼的疲勞性能。
- The results indicate that EMR can improve the fatigue life of structure, and can drive interference-fit fastener with large interference. 研究結果表明，電磁鉚接技術(shù)能夠提高結構疲勞壽命，能夠安裝大干涉量干涉配合緊固件。
- A mean strain or prestrain, as in Fig. 83, can under certain conditions reduce the subsequent fatigue life. 一個(gè)如圖83所示的平均應變或預應變，在某種情況下，能夠縮短以后的疲勞壽命。
- Thermal fatigue life of solder joints is predicted using the Coffin-Manson's empirical modified formula. 在此基礎上,利用Coffin-Manson經(jīng)驗修正公式預報了焊點(diǎn)的熱疲勞壽命。
- And also the sensitivity analysis was done to the several key factors influencing the fatigue life of the vane. 并對影響其疲勞壽命的幾種關(guān)鍵因素進(jìn)行了敏度分析。
- A sort of efficient calculation method was developed for fatigue life prediction under random loading. 研究了一種用于隨機載荷下試件疲勞壽命預估的有效計算方法。
- In recent years, how did SKF steel improve the ball bearing quality and fatigue life? 近年來(lái)瑞典SKF公司是如何提高其滾動(dòng)軸承質(zhì)量和壽命的?
- The effect of pre immersion time on corrosion fatigue life reduced with the increasing of stress amplitude. 在 30MPa下預腐蝕對連接件的疲勞壽命的影響作用比 5 0MPa下預腐蝕對連接件疲勞壽命的作用要明顯。
- The existence of residual stress and brace plate in a fillet welded joint has obvious effects on CADC and fatigue life. 殘余應力及角接接頭中支板的存在對裂紋形態(tài)發(fā)展曲線(xiàn)和疲勞壽命有明顯的影響
- The fatigue life increases with decreasing modulus of surface layer in a power function with a negative exponent. 瀝青面層的疲勞壽命隨著(zhù)面層材料模量的降低以負指數的冪函數形式增加;
- The fatigue life of two composites can be described by the Coffin-Manson relationship. 兩種復合材料的疲勞壽命均符合Coffin-Manson公式。
- Based on maximum fatigue life as objective function and associated kinematic constraints have been formulated. 基于當目標函數及相關(guān)運動(dòng)學(xué)制約已經(jīng)制定時(shí)的最大疲勞壽命。
- Elastoplastic finite element analysis and low cycle fatigue life prediction of an engine combustor case were completed. 對某發(fā)動(dòng)機燃燒室外套進(jìn)行了彈塑性有限元分析和低循環(huán)疲勞壽命預測。
- The fatigue life is calculated with local stress and strain method under multiaxial condition. 采用多軸應變下的局部應力應變方法進(jìn)行疲勞壽命計算;
- Corrosion results in decrease of metal fatigue life and overload can result in prolonging of fatigue life. 腐蝕會(huì )降低材料的疲勞壽命而超載則對疲勞壽命有增益作用。
- The fatigue life of the composite structures contained delimitation flaw is highly depe... 含分層缺陷復合材料結構的疲勞壽命不僅與缺陷尺寸,而且與缺陷位置有關(guān)。
- The feasibility of improving K417 fatigue life by surface shot peening and recrystallization was studied. 研究了采用噴丸再結晶方法提高K417合金疲勞壽命的可行性。
- Numerical Simulation Method of Acoustic Fatigue of Composite Structures 復合材料結構聲疲勞的一種數值模擬方法
