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- strain cycling fatigue 疲劳极限
- The earthquake spectrums analysis indicated that the failures of building structural steels at seismic areas are created of high stress strain and low cycle fatigue. 地震波谱分析表明,地震区建筑结构用钢受震时的主要失效形式是高应力低周疲劳损伤和断裂。
- A low cycle fatigue (LCF) testing on 16MnL sheet steel is reported. 本文工作对汽车大梁所用的16MnL薄板钢材进行了低周疲劳试验研究。
- Low cycle fatigue properties are affected adverselyby abusive grinding. 过量磨削对低循环疲劳性起着有害的作用。
- low cycle fatigue under large compressive strain 高压应变低周疲劳
- The initial requirements involved the belief that the presence of a duplex or "necklace" structure was intolerable from a low cycle fatigue aspect. 最初有人认为从低周疲劳性能的角度来说双层或“项链”组织是绝对不行的。
- Elastoplastic finite element analysis and low cycle fatigue life prediction of an engine combustor case were completed. 对某发动机燃烧室外套进行了弹塑性有限元分析和低循环疲劳寿命预测。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The results show that low cycle fatigue life is reduced and cyclic stress is raised by torsional prestrain raising. 结果表明，扭转预应变降低低周疲劳寿命，循环应力随扭转预应变的增大而增大。
- Finally, the future directions in the research of multiaxial low cycle fatigue are suggested. 并建议今后多轴低周疲劳课题的研究方向。
- Underfill technology effectively enhances the flip-chip cycle fatigue life and reliability of packaging process. 有机基板上的倒装芯片一般采用底部填充技术以提高其封装的可靠性。
- Recent development of multiaxial low cycle fatigue under nonproportional loading is summarized. 综述近年来国内外非比例载荷下多轴低周疲劳研究的进展和现状。
- The results showed that two shafts' fracture are both high-low cycle fatigue fracture caused by vibratory fatigue. 结果表明，两根轴的断裂均是以振动疲劳为主的高、低周复合疲劳断裂。
- Low cycle fatigue (LCF) tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures. 本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。
- This paper presents the low cycle fatigue crackgrowth rates of PCrNi3MoVA (ESR) steel which are measured interms of J--Integral method. 本文应用J-积分方法测定了PCrNi3MoVA电渣重熔钢的低周疲劳裂纹扩展速率。
- For the same material, the low cycle fatigue life in high temperature air is longer than that in simulated BWR and PWR primary environments. 对于同种材料,高温空气中的低周疲劳性能优于高温水中的低周疲劳性能;
- Secondary crack, reared ridge, and microcrack in the front of the main crack tip can all hinder crack propagation during low cycle fatigue. 撕裂棱、裂纹前端微裂纹的桥接等因素是阻滞主裂纹扩展的主要机制。
- He finally break down under the four-hour's strain. 在四小时的压力下他终于支持不了。
- A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading. 介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
- Paying all the bills is a strain on my resources. 支付所有这些费用是我经济上的一大负担。
