And there exists a ductile to brittle fracture transition caused by loading rate.
存在由加载速率变化引起的韧脆断裂转变。
There is a fracture transition caused by loading rate. Through thermal activation analysis, a quantitative relationship was found.
通过热激活分析，获得了断裂激活能以及与温度和加载速率相关的定量化关系。
The paper disclosed first a ductile to brittle fracture transition of PVC caused by increasing loading rate at several constant temperatures.
展示了聚氯乙烯（PVC）在不同温度下由试验速率增加而引起的韧脆性转化。
High manganese steels undergo a ductile to brittle transition at low temperature, which is accompanied by a change in the fracture mechanism from dimple fracture to intergranular fracture.
高锰奥氏体钢随温度降低其断裂机制由韧窝状断裂转变到晶界断裂。
For the UPR with greater brittleness, the brittle-tough transition was observed only when the toughness of the resin was characterized by fracture toughness at a slower loading rate.
对于脆性较大的UPR，只有在采用加载速度较慢的断裂韧性来表征其韧性时，方能观察到这一脆韧转变现象。
The analysis and explanation of the transition of the damage and fracture behavior are made by the results of FEM calculations.
通过上述有限元计算结果，对这一损伤开裂行为的转变进行了分析解释。
The crack propagation rate of pipes is mainly dependent on FATT of Steels of pipes (fracture appearance transition temperature). And FATT can be measured by drop weighted tear tests.
管道裂纹的扩展速度主要取决于管道钢的转变温度FATT。FATT可由落锤撕裂试验测定。
Microscopic features of dynamic fracture of tungsten alloys under shock loading, as well as their relationship with the ductility_brittleness transition were discussed.
并结合断口分析，探讨了钨合金在冲击作用下发生断裂的微观特征与韧脆转化间的关系及其物理本质。
The paper Introduces fracture appearance transition character of turbine high and middle pressure rotor made metal material.
介绍汽轮机高中压转子金属材料的脆性转变特性。
The fracture toughness of lamellar microstructure is higher than that of equiaxial microstructure when deformed above the phase transition.
相变点以上得到片层组织，片状组织的断裂韧性高于等轴组织。
The fracture toughness of lamellar microstructure is higher than that of equiaxial microstructure when deformed above the phase transition.
相变点以上得到片层组织，片状组织的断裂韧性高于等轴组织。
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