Strained silicon is a fundamental component of all recent microprocessors. The reason for its success is that local strain-induced deformation in the crystal lattice improves processor performance.
“变形”硅是所有最新的处理器的基本组成部分,原因是:晶格里应变诱发的形变提升了处理器的性能。
The uncertainties result in the randomness of local stress, local strain and fatigue life.
这些不确定因素导致构件的局部应力应变响应和疲劳寿命响应具有随机性。
The uncertainties of pressure vessel result in the randomness of local stress, local strain and fatigue life.
由于压力容器构件的不确定因素,造成了构件局部应力应变响应和疲劳寿命具有随机性。
Weld shrinkage-induced local strain to yield point strain often several times, than the strain due to the load is much larger;
焊缝收缩诱发的局部应变时常达到屈服点应变的数倍,比荷载引起的应变大得多;
Besides, in the position of larger value stress the local strain is smaller that coincide with the law of stress and strain change during the common forging process.
其次,应力值较大的地方应变值较小,符合锻造过程中的应力应变变化规律。
Based on the local strain method of the single axle stress condition method, the multi axial stress condition computing method of the proportional loading is presented.
基于单轴应变疲劳分析,提出了比例加载多轴应力状态下的疲劳寿命计算方法。
It was revealed that local strain rate is a key factor that builds a bridge between different tests, different samples and different cracking processes, and dominates fracture mode.
结果表明,在该体系中局部应变速率是联系各种不同断裂过程的纽带,决定着断裂的模式。
The strain of the thin-walled ring section beam is investigated theoretically and experimentally. The result shows the local strain varies as the cosine function of twice the positional angle.
对圆环形薄壁截面梁的应变进行了理论与实验分析,结果表明圆环形薄壁截面梁各点应变与该点角度的二倍呈余弦变化关系。
According to the characteristics of loads on blades, a model for estimating fatigue life of blades is presented based on three-dimensional finite element method and improved local strain method.
根据汽轮机低压叶片所受载荷的特点,建立了一种基于三维有限元法和改进局部应力应变法的叶片疲劳寿命预测模型。
The fatigue test of the bellows expansion joints is replaced by the bent fatigue test of plates when the maximum strain of bent test plates equals to the local strain of bellows expansion joints.
当弯曲试板上的最大应变等于波纹管的最大局部应变时,板的弯曲疲劳试验寿命即可代替波纹管的试验寿命。
Local strain concentration in angle-ply lay caused by transverse crack of circular lay in composite pressure vessel was studied by means of advanced shear-lag method.
利用改进的剪切滞后法,研究了组成纤维缠绕压力容器中的环向层的横向开裂而在纵向层中引起的局部应变集中。
Local strain concentration in angle-ply lay caused by transverse crack of circular lay in composite pressure vessel was studied by means of advanced shear-lag method.
利用改进的剪切滞后法,研究了组成纤维缠绕压力容器中的环向层的横向开裂而在纵向层中引起的局部应变集中。
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