Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
在拉应力和应拉力交替的作用下，强度相对较低的螺栓会先产生裂纹，进而发生疲劳断裂。
Mechanical properties and fracture mechanism of high strength steel sheet with low yield ratio under impact loading have been studied through instrumented impact and quasi-static tensile tests.
通过室温下的仪器化冲击试验和静态拉伸试验，研究一种低屈服比高强度钢板在冲击载荷下的力学性能和断裂机理。
The changes of moisture absorption properties, tensile strength, fracture elongation and elastic modulus of APMOC fiber with aging time were investigated through the hygrothermal aging test.
通过湿热老化试验，研究了APMOC纤维吸湿性能、拉伸强度、断裂延长率以及弹性模量随老化时间的变化。
The tensile strength, compressibility, resilience and essential fracture work of flexible graphite sheet were measured.
测量了不同密度柔性石墨纸的抗拉强度、压缩率、回弹率和基本断裂功。
The effect of dynamic shear and tensile strength of tungsten heavy alloys on the fracture mode of fragmentation under explosive loading was investigated.
研究钨合金动态抗拉和抗剪强度对爆炸加载下破片宏观断裂模式的影响。
Tensile yield strength was used to quantitatively evaluate the interfacial interactions, which have significant influence on the tensile fracture morphology of the composites.
采用拉伸屈服强度定量表征了界面相互作用的强弱，研究了界面相互作用对三元复合体系拉伸断裂形态的影响。
At the same time, splitting tensile experiment of layer surfaces was performed, and variation of characteristics of mode I fracture and tensile strength was compared.
同时进行了层面劈拉试验，并比较了层面I型断裂特性与抗拉强度特性之间的规律。
The optimum match between fracture toughness and tensile strength was obtained.
钢的抗张强度和断裂韧度达到最佳配合。
The effects of textures on the elastic modulus, yield and tensile strength, fracture and fatigue properties as well as some problems on the application of texture strengthening were discussed.
列举织构对钛合金弹性、屈服、拉伸强度、断裂及疲劳等各种性能的影响；讨论了有关钛合金织构强化实际应用的一些问题。
Compared to tear resistance and tensile strength, fracture toughness is more dependent on fiber length.
断裂韧性对纤维长度的依赖性比撕裂和抗张强度大。
The effects that the rock tensile strength is in pore formation and the fracture formation are sufficiently considered, the formation fracture pressure is established.
充分考虑到碳酸盐岩剖面孔隙性地层和裂缝性地层中岩石抗张强度对地层破裂的影响，建立了地层破裂压力测井计算模型。
The lamellar cracking was found at the specimen of HSLA Nb-V steel plate after tensile strength testing, then the fracture surface of the specimen was studied by SEM and EDAX.
针对高强度低合金铌钒钢板在拉伸试验后出现分层开裂的现象，采用SEM、EDAX进行微观分析，发现试样内部有大量夹杂物存在，这些夹杂物主要含有钙、氧、硫、锰等元素。
The experimental results show that the elastic modulus, tensile strength and fracture toughness of brittle rocks can be determined from a valid load-displacement record.
试验结果表明，可以从一次有效的载荷-位移记录中同时确定脆性岩石的弹性模量、拉伸强度和断裂韧度。
Based on the approach proposed in this paper, the same tensile strength equation as the one given by the composite material approach is derived from the theory of fracture mechanics.
从断裂力学理论出发，导出了与复合材料理论相一致的乱向短钢纤维混凝土的抗拉强度公式。
The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
Layered fracture occurs after tensile test of high strength ship plate.
高强船板拉伸试验后出现断口分层现象。
Such performances of material as tensile strength, yield strength, Charpy energy and COD fracture toughness are tested in experiment.
针对评价中所需要材料的性能数据，对材料做性能测试，测定出材料的拉伸性能、夏比冲击韧性和断裂韧性（COD值）。
The tensile strength and elongation after fracture vary little after rolling.
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。
Under the high-temperature conditions, all the samples fracture in the side of aluminum; with the rise of temperature, tensile strength of the joint declines obviously, while elongation increases;
高温条件下，试样均断于铝端母材，抗拉强度随着温度的升高呈现出明显的下降趋势，而伸长率随温度升高而增大；
Under the high-temperature conditions, all the samples fracture in the side of aluminum; with the rise of temperature, tensile strength of the joint declines obviously, while elongation increases;
高温条件下，试样均断于铝端母材，抗拉强度随着温度的升高呈现出明显的下降趋势，而伸长率随温度升高而增大；
应用推荐