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- The results indicated that the fracture mode is the fatigue failure. 結果表明，其斷裂形式為彎曲疲勞斷裂。
- The fatigue break often occurs against the upper male dies.The compound strengthening processing of normal heat treatment + grinding + tuff-nitriding + rolling is proposed. 分析了工況條件和受力情況，提出了正常熱處理+磨削+軟氮化處理+滾壓工藝的復合強化工藝。
- The surface spalling and fatigue failure may occur after a long time of service, during wheel-rail rolling contact. 摘要鋼軌鋼的接觸疲勞一直為鐵路運輸部門(mén)和研究機構所重視。
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 為了達到較好的防斜目的,必須增大鉆進(jìn)時(shí)鉆頭的轉速,在高轉速的作用下,偏軸接頭加劇了鉆具先期疲勞失效。
- But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope. 但是目前對于超硬涂層材料滾動(dòng)接觸疲勞失效機理的研究還處于探索之中。
- High compressive-shear stress beneath the contact point of ball bearing is the main reason for its fatigue failure. 滾珠軸承接觸點(diǎn)附近的高壓剪應力是引起軸承疲勞破壞的原因。
- Thermal fatigue. A type of fatigue failure wherein the cyclic stresses are introduced by fluctuating thermal stresses. 熱疲勞:一種疲勞失效類(lèi)型,循環(huán)應力是由于交變熱應力引起的。
- Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure . 交變冰力引起的結構交變應力必將導致結構的局部疲勞損傷。
- The test results with the needle-plane electrode system under ac voltage at 77 K indicate that the fatigue break in UHMW-PE under mechanical forces during the electrical treeing is a critical factor. 結果表明，機械應力下疲勞強度的劣化是低溫電樹(shù)枝化的重要因素。超高分子量聚乙烯具有低溫性能好。
- The strongest spring leads to fatigue failure caused by excessively high stress. 即使是強度最大的彈簧;也會(huì )因應力過(guò)大而導致疲勞損壞.
- Conclusion Bone structures in fretting wear will induce fatigue failure and this will... 結論骨組織在微動(dòng)過(guò)程中將發(fā)生疲勞破壞,從而造成假體松動(dòng)。
- Based on real time CT testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition. 摘要基于對裂隙巖石的細觀(guān)CT試驗，對含有單一裂紋的貴溪紅砂巖在單軸疲勞荷載作用下的損傷擴展機理和演化過(guò)程進(jìn)行了初步的試驗研究。
- In this article, some correction measurements are advanced in order to decrease the pitting erosion and fatigue failure and improve the service life of the bearings. 提出了相應的改進(jìn)措施，以減少點(diǎn)腐蝕及疲勞失效現象的發(fā)生，提高軸承的使用壽命。
- Mechanisms of fatigue failure of wire rope working with sheave are related to safety, reliability and economy of Wire rope transmission. 鋼絲繩繞滑輪工作的疲勞損傷機理問(wèn)題，關(guān)系到鋼絲繩傳動(dòng)的安全性、可靠性和經(jīng)濟性。
- Cause Analysis for Fatigue Break of Plunger Spring 柱塞彈簧疲勞斷裂原因分析
- Failure analysis of side rail box imitating chief beam of metallurgy crane was studied. Cause of fatigue failure and improving method were given. 介紹了冶金起重機金屬結構偏軌箱形模擬主梁的疲勞失效分析研究結果,提出疲勞失效的原因及改進(jìn)措施。
- It revealed that alternating stress in long time cause the bolt fatigue failure, meanwhile the failure process was also effected by superheating steam. 認為主要原因是螺栓在長(cháng)期服役中受交變應力引起疲勞失效所致。過(guò)熱蒸汽介質(zhì)對疲勞失效有影響。
- The machine must break down at this busy hour. 正忙的時(shí)候，機器偏偏又壞了。
- Hence the life of an antifriction bearing is measured by the number of shaft revolutions that occur prior to fatigue failure. 因此一臺減摩軸承的使用壽命是在疲勞故障之前通過(guò)計算其軸轉速測得的。
- The transient flow in subsea pipeline induces the riser system vibration, then causes the system fatigue failure and reduces pipeline life. 摘要海底油氣管道中流體的不穩定流動(dòng)會(huì )誘發(fā)立管系統的振動(dòng)，使立管系統彎頭部位發(fā)生疲勞破壞，影響管道的使用壽命。
