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1)  proportional cyclic loading
比例循环加载
2)  non-proportional cyclic loading
非比例循环加载
1.
Constitutive Theory of Crystal Plasticity under Non-Proportional Cyclic Loading;
比例循环加载下的晶体塑性本构理论
2.
This paper is concerned with the formulation of a new cyclic plastic constitutive model to describe the hardening behavior of metallic materials under non-proportional cyclic loadings.
用所建模型对304不锈钢材料在一些典型非比例循环加载路径下的响应进行了理论预测,并与相关文献中的实验结果进行了比较,结果令人满意。
3)  nonproportional cyclic loading
非比例循环加载
4)  cyclic proportional loading
循环比例加载
1.
Based on reviewing of the advances in study on constitutive model and constructive methods by neural networks, a back-propagation (BP) neural network for triaxial constitutive model of concrete subjected to cyclic proportional loading is developed.
首先回顾了此类模型的研究进展和构造方法,然后直接从试验数据出发,建立了混凝土三轴受压循环比例加载条件下的本构模型。
5)  nonproportional cyclic straining
非比例循环载荷
6)  Proportional loading
比例加载
1.
Multiaxial fatigue behavior of superalloy GH4169 was investigated by using the thin tubular multiaxial fatigue specimens under proportional and non-proportional loadings at high temperature.
高温多轴疲劳试验采用比例与非比例加载路径。
2.
Biaxial fatigue behaviors of the Zr-4 alloy under proportional and non-proportional loading with the phase angles of 30°, 60° and 90° were studied.
研究了冷变形Zr-4合金在双轴比例和非比例加载下的循环变形行为,结果表明:当循环应变幅较低时,Zr-4合金表现为循环初始硬化随后饱和的特征;随着应变幅提高,初期硬化后,表现为连续循环软化特征;高应变幅下,初期硬化消失,表现为急剧的循环软化。
3.
The deformation behavior of hydrided zircaloy-4 under tension-torsion proportional loading was investigated using the quantitative metallography and the finite element method(FEM).
采用有限元数值分析方法,模拟了含氢化物Zr-4合金拉-扭双轴比例加载下的变形行为。
补充资料:高加浓铀燃料循环
分子式:
CAS号:

性质:反应堆中使用235U加浓度>90%的铀作燃料,由于235U的临界质量小,浓缩铀燃料装量少,堆芯功率密度高。核潜艇用压水堆、利用钍的高温气冷堆和高中子通量反应堆均利用高加浓铀作燃料。高加浓铀在生产时消耗大量分离功,成本很高。乏燃料元件必须处理以回收未用完的235U。高加浓铀是核武器原料,一般不易得到,限制了高加浓铀燃料循环的应用。

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