The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
弹性范围，塑料范围（当材料以不变的应力流动时），应变硬化范围和发生颈缩现象以其断裂终止的范围。
Pure elastic fracture is always rare, so th at under the action of stress, a plastic zone(large or small), and interactions between crack and dislocations always exist at the crack tip.
纯弹性断裂总是极少的，因之在加载应力作用下，裂纹顶端总是存在着或大或小的塑性区，存在着裂纹与位错的交互作用。
Fracture surface consists of plastic yield deformation area and elastic deformation area.
断口主要分为塑性屈服变形区和弹性变形区两部分。
The exact solution of linear elastic fracture mechanics is suggested in this paper and the plastic zone of crack tip is calculated under the condition of strain-hardening of material.
本文从线弹性断裂力学的精确解出发，在考虑材料强化影响的情况下，计算出裂纹前缘的塑性区。
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
结果表明：该合金的室温压缩变形过程表现为弹性和塑性变形，弹性应变很大，可达到2%。
In the fracture assessment of 3c, J-integer is a very important parameter, which is also an important contents in the elastic-plastic fracture mechanics.
在3c级断裂评估中，J积分是一个非常重要的参量，也是研究弹塑性断裂力学的重要内容之一。
Furthermore, the failure assessment curve method is a feasible method for notch elastic-plastic fracture assessment.
进一步说明失效评定图方法也是缺口弹塑性断裂评定的极好方法。
In this paper, an engineering assessment method of elastic-plastic fracture based on finite deformation analysis of complex structures. or a modified COD -design equation, presented forward is put.
文章在有限变形分析基础上建立了对复杂结构进行弹塑性断裂评定的工程方法，用以修正COD设计曲线。
The fracture strength of rectangular plate with inclined crack is analyzed considering two failure modes of elastic fracture and fully plastic failure respectively.
对具有中心穿透斜裂纹在弹性断裂和完全塑性断裂两种破坏模式下的断裂强度进行了分析。
The magnetic signals were hardly varied during elastic and plastic deformation periods but changed after fracture rapidly.
试件拉伸过程中塑性变形阶段内磁信号无较大数值变化，断裂后信号突变。
The new elastic-plastic fracture parameter T-integral is used in experimental exploration studus.
同时对新的弹塑性参量T积分开展了探索性研究。
The J-integral fracture criterion based on HRR theory has been widely used in the studies of elastic-plastic fracture of materials.
在弹塑性断裂研究中广泛地采用着J积分断裂判据，这种判据的基础是HRR理论。近些年来，一些研究者基于数值分析和试验研究对HRR理论的适用性进行了讨论。
The validity of the results of linear elastic fracture analysis, when the plastic region exists, i…
讨论了有塑性区存在时，由线弹性分析所得结果的适用程度。
The validity of the results of linear elastic fracture analysis, when the plastic regi…
讨论了有塑性区存在时，由线弹性分析所得结果的适用程度。
The validity of the results of linear elastic fracture analysis, when the plastic regi…
讨论了有塑性区存在时，由线弹性分析所得结果的适用程度。
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