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.
用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。
The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.
抗拉强度是指样品可能承受的最大拉伸应力。
Tensile strength corresponds to the maximum tensile stress that may be sustained by a specimen.
老化初期， 结晶为主导因素，它增加杨氏模量、最大拉伸应力，但使材料变脆，降低冲击强度；
It increased the Youngs modulus and the maximum tensile stress but it became brittle and decreased the impact strength.
详细研究了尼龙和聚酯短纤维用量对尼龙-天然橡胶和聚酯-氯丁橡胶复合材料的20％定伸应力、拉伸强度及撕裂性能的影响。
The influence of the loading level of nylon and PET short fibres was studied on the physical properties of Nylon-NR and PET-CR Composites, such as 20% modulus, tensile strength and tear resistance.
玻璃化转变温度以下的热处理可以提高PC的拉伸强度，但是对改善材料的耐环境应力开裂性不利。
The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature, but the property of the resistance of ESC of PC will be decreased.
通过不同环境温度下的简单拉伸试验和应力控制下的低周疲劳试验，找出了环境温度对应力控制下的疲劳行为和疲劳强度的影响。
Simple tensile tests and low-cycle fatigue tests under stress control at different temperature were conducted to investigate the effects of temperature on fatigue behavior and fatigue strength.
拉伸时的自然冷却会产生不均匀的产品，快速水冷却拉伸工艺能显著改善管的耐环境应力开裂性，成倍提高其强度。
It showed that a fast cooling after drawing was of benefit to dimensional stability, straightness, environmental stress cracking resistance, and strength of the drawn tubes.
黏聚力形成的阻抗强度因子数值，与黏聚裂纹长度和材料极值拉伸应力存在数量关系。
The stress intensity factor of crack solids is a fracture mechanics index that denotes the effect of loading and crack geometry.
通过直接拉伸试验，测量了配筋钢纤维自应力混凝土的抗拉强度。
Uniaxial direct tensile experiments were carried out to obtain tensile strength of self stressing concrete reinforced with steel bar and fiber.
结果表明：周向剪切应力场可明显改善管材的周向强度，轴向拉伸可实现管材轴向增强。
It was found that the circular shearing and axial tensile increased the circular and axial strength of the pipe, respectively.
实验结果表明，振动力场的作用可以提高TPE的拉伸强度、100%定伸应力和扯断伸长，改善TPE的硬度。
The experimental results show that, under vibration force field, tensile strength, tensile stress at 100% and elongation at break of TPE can be enhanced, and hardness(shore A) of TPE can be improved.
结果表明，高羧基丁腈橡胶具有硬度、拉伸强度和定伸应力高，耐磨性好，压缩永久变形大，加工安全性较差等特点；
The results showed that the high carboxylated NBR featured high hardness, tensile strength and modulus, good abrasion resistance, but greater permanent set and poorer processing safety;
研究表明，多轴应力状态下NEPE固体推进剂强度与应力相关，八面体剪应力随平均主应力的增加呈非线性增加；NEPE推进剂的破坏强度随拉伸速率的增加而提高。
The results show that strength of NEPE solid propellant under multi-axis stress state is related to strain; octahedral shear stress nonlinearly increases with the average main stress.
提出了修正后的金属体积分数理论，准确预测了材料的弹性模量、屈服应力及拉伸强度。
A modified theory of metal volume fraction is put forward to precisely predict tensile properties including elastic modulus, yield stress and tensile strength.
结果表明，随筛板孔距的增加，其拉伸强度、拉伸屈服应力及拉伸断裂应力均提高；
The results showed that tensile strength, tensile yield stress and tensile breaking stress were increased with the increase of bore distance;
一旦超过混凝土的弯曲拉伸强度，预应力成员开始像钢筋混凝土元素。
Once the flexural tensile strength of the concrete is exceeded, the priestess's member starts to act like a reinforced concrete element.
在常响应界面情况下，复合材料横向拉伸应力-应变曲线存在明显的转折点，对应于界面分离的起始点，转折点的位置取决于界面粘结强度。
The stress-strain curve under transverse loading of MMCs has a corner point, associated with the initiation of interfacial de-bonding, which is determined by the interfacial bonding strength.
随着时效时间的延长，拉伸断口逐渐由韧窝穿晶型向沿晶突脊型及沿晶韧窝型过渡。在固溶状态下，当拉伸应力超过届服强度以后，出现平直滑移带及交叉滑移带；
In the as-quenched condition, straight slip bands and cross slip bands are shown on the surface of specimens after tensile stress has reached the yield stress;
测试结果表明，随着蒙脱土用量的增加，复合材料的定伸应力、拉伸强度和撕裂强度均大幅度提高。
The results showed that the tensile strength, elongation at break and tear strength increased with the OMMT content increasing.
试验结果表明：轴向应力低于单轴压缩强度80%时孔道试样在内压下拉伸破裂，压力与轴向应力没有明显关系；
The experimental results show that the cracking pressure for hollow cylinder is not influenced by the axial load when it is lower than 80% of the uniaxial compression strength.
表明预拉伸变形提高了合金的应力腐蚀抗力和强度。
The results show that the predeformation raises the SCC resistance and strength of the alloy.
表明预拉伸变形提高了合金的应力腐蚀抗力和强度。
The results show that the predeformation raises the SCC resistance and strength of the alloy.
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