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- tensile fracture strength 拉伸断裂强度
- Breaking strength fracture strength in%, within the prescribed size products longitudinal reinforcement must load in the direction of the tensile test time measurement products ruptures of the. 断裂强度 断裂强度以%25外现,在规矩的尺寸的尝试品纵标的目的上加固必定负载,以必定拉伸速率举行,测度尝试品断裂时的缩短率。
- By way of suitable heat treatment, the tensile fracture morphology changes from brittle intercrystalline fracture to dimple fracture, so the strength and ductility of the alloy is increased. 采用适当的热处理工艺可使合金强韧化 ,拉伸断口由脆性的沿晶断裂变为韧窝状断裂。
- The main function of tensile test in mechanical property testing of micro-sized structure is measurement question of elastic ratio,Poisson s ratio,yield strength anad fracture strength. 微构件材料力学性能测试中,拉伸测试主要解决材料弹性模量、泊松比、屈服强度和断裂强度的测量问题。
- The microstructure and tensile fracture surface of the Q235 steel has been investigated by TEM and SEM. 应用TEM和sem观察钢的微观组织结构及拉伸断口。
- At this point, tensile fracture partially occurred, as evidenced by some apparent necking. 这时,一些明显的颈缩现象表明,发生了局部拉伸断裂。
- The tensile fracture of FSW appears to be dimple and the fracture mechanism is analyzed through dislocation theory. 断口分析表明,搅拌摩擦焊接头断口为明显的韧窝形貌,并用位错理论解释了微观断裂机制。
- The microscopic structure and the tensile fracture surface of annealed samples were investigated by using OM and SEM. 测定了不同退火温度下,钛管抗拉性能,并用SEM观察了拉伸断口形貌。
- Meanwhile,a useful value for following study on tensile fracture mechanism of UHMWPE/LDPE is given. 对后续研究UHMWPE/LDPE复合材料声发射特性和拉伸破坏机理具有参考价值。
- And then Al_2O_3 /Cu composite were prepared through hot-extruded, the microstructure, tensile fracture and interface were observed and analyzed. 然后采用热挤压法制取了Al_2O_3/Cu复合材料,对其显微组织和拉伸断口及界面进行观察与分析。
- The Study of Residual Thickness and Fracture Strength in Maxillary Premolars after Post Space Preparation. 上颌前磨牙桩道预备后剩余根管壁厚度和抗折强度的研究
- The problem of tensile fracture convexity could be solved by optimizing heat treatment technology and controlling grade of inclusion in raw materials. 通过调整热处理工艺与控制材料中夹杂物级别可以解决断口不平问题。
- The electrical method is proposed to measure the fracture strength of polysilicon, so the measurement is simple. 就是说,使用电测量的方法测试多晶硅的断裂强度,有测试方法简单的效果。
- The experiments showed that the tensile fracture strain of such PMMA specimens was nearly ten times of that un-precompressed. 实验结果表明,与未进行预压缩处理的试验片相比,预压缩处理后的试验片的拉伸断裂应变约为前者的10倍。
- The microstructures and the relations between bonding rate and bending and fracture strength were analyzed. 分析了弯曲强度、断裂挠度与焊合率之间的关系及接头的金相组织。
- In this paper, the tensile fracture mechanics model of aramid fiber is discussed, while the mechanical properties of the fiber is simulated based on a nonlinear model. 摘要探讨了芳纶的抗拉伸断裂宏观力学模型,并对纤维的力学性能进行了模拟。
- On the other hand, using cast post is suggested to increase the fracture strength and prevent non-reparable failure under reduced bone condition. 但是在齿槽骨高度丧失的情况下,不管使用哪一种根柱皆易造成不可修复性破坏,则建议以强度较高的铸造式根柱来复形。
- In-situ observations of fracture processes in scanning electron microscope were employed to study the tensile fracture behavior of the NEPE solid propellant. 采用原位拉伸扫描电镜技术对NEPE推进剂的单轴拉伸破坏过程进行了研究。
- It is revealed that pre-stressing of fibers could effectivelyincrease the elastic limit,yielding strength and fracture strength of VIRALL Iaminates. 结果表明,纤维预拉伸应力能有效地提高VIRALL复合板的弹性极限、屈服强度以及断裂强度。
- By adjusting the basicity or the content of MgO,CaF2 and FeO,the fracture strength and compression strength of different binding phase were discussed. 以包钢含氟烧结矿的粘结相为研究对象,考察了粘结相自身的抗折、抗压强度随粘结相组成的变化规律。
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