研究进一步表明，材料变形的难易程度又与变温循环过程，热疲劳试样拉伸应力的增加和材料屈服强度的降低有关。
Moreover, it is revealed that the deformation resistance in the thermal cycle process is related to the increase of its tensile stress and the decrease of yield strength.
温度升高，原子热运动加强，屈服强度和弹性模量降低。
The yield strength and elastic modulus will decrease with the temperature increased.
受非马氏体组织的影响及可动位错密度降低的作用，屈服强度、屈强比随退火温度升高而升高。
The yield strength, yield ratio increase with the increase of annealing temperature, due to the impact of non-martensite and the decrease of movable dislocation density.
形状不良随板料厚度的增加、压边力的增加、屈服强度的降低、凸模曲率半径的减小而减小。
The shape defect is decreased with increasing sheet thickness, increasing binder force, decreasing yield strength, and decreasing curvature radius.
经退火热处理，钢板屈服强度降低到Q 195水平，塑性性能也有较大改善。
After annealing heat treatment, the yield strength of the steel plate reduces to the level of Q195 and the plastic performance has greatly been improved.
采用高强度级别钢种的卷板制造螺旋焊管的过程中，包申格效应使钢管屈服强度降低的现象日益突出。
In the process of using high strength steel to produce spirally welded pipe, the yield strength is reduced due to Bauschinger's effect.
微细裂隙的良好胶结，使其端部应力集中被降低或消除，岩体屈服极限增大，强度提高。
It is the fine cementation of microcracks so as to reduce or eliminate the stress concentration on their ends intensively. Thus, the limit yield of rock mass and its strength are both enhanced.
复合材料是应变率敏感的材料，随着应变速率的增加，其屈服强度先增高后降低，而其单位体积吸收的能量则呈上升的趋势。
The composite was a type of strain rate sensitive material. With the increasing of strain ratio, the yield strength of composite increased firstly and then decreased,...
指出了钢中氮质量分数的减少可降低热轧板屈服强度，且满足供冷轧基料的要求。
The results show that when the nitrogen content is decreased, the yield strength of hot rolled plate decreases, which meets the requirement of cold-rolled base stuff.
结构钢材的韧性随温度降低而下降，其破坏形态也由塑性屈服向脆性断裂转变，构件的承载力也由强度控制变为材料的韧性控制。
The toughness of steel decreases as temperature drops, its breakage transfers from plasticity to brittleness and the loading capacity is controlled by the toughness, not the strength.
在低温范围内随温度升高屈服强度和抗拉强度明显降低。
The results indicated that in low temperature range, the yield strength and tensile strength decreased obviously as temperature increased.
在下屈服强度降低的同时，其抗拉强度和断后伸长率变化不大。
The tensile strength and elongation after fracture vary little after rolling.
此时，系统达到临界平衡状态时所对应的材料强度降低倍数即为整体最小安全系数，临界平衡状态定义为边坡内的塑性屈服区能够形成潜在的滑移通道时的状态。
The minimum safety coefficient was defined as the reduction coefficient, when the system was fairly close to the limit equilibrium state through decrement of material strength step by step.
屈服强度、抗拉强度、加工硬化指数和塑性应变比厚向各向异性降低，塑性应变比平面各向异性增大；
Yield strength and ultimate tensile strength, work hardening exponent and normal anisotropy of plastic strain ratio decrease but planner anisotropy of plastic strain ratio increases.
挤压前均匀化热处理使挤压态合金的晶粒尺寸粗化，拉伸强度和屈服强度降低。
Homogenization treatment before the extrusion coarsened the grain size and reduced the tensile strength and yield strength.
结果表明，随着淬火温度的降低，双相钢的屈服和抗拉强度下降，同时总伸长率提高；
The results showed that the tensile strength and yield strength decrease while total elongation increases with decreasing quenching temperature.
同时还提高了AZ91合金的高温抗蠕变性能和抗拉强度及硬度，但对屈服强度和伸长率影响不大，降低了合金的低温阻尼性能，但却增加了高温界面阻尼。
The creep-resistant, tensile strength and hardness are increased, but there's no obvious change on the elongation ratio and yield strength. Though the low temperature damping ca…
同时还提高了AZ91合金的高温抗蠕变性能和抗拉强度及硬度，但对屈服强度和伸长率影响不大，降低了合金的低温阻尼性能，但却增加了高温界面阻尼。
The creep-resistant, tensile strength and hardness are increased, but there's no obvious change on the elongation ratio and yield strength. Though the low temperature damping ca…
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