• 材料强度气孔率弹性断裂临界缺陷尺寸控制的。

    The strength of materials are controlled by porosity, modulus of elasticity, fracture energy and critical flaw sizes.

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  • 玉米纤维进行不同方式热处理实验,得出了热处理温度热处理时间断裂强度断裂伸长初始模量断裂影响规律。

    The impact of temperature and duration of heat treatment on the breaking strength, elongation at break, initial modulus and work to break of the fibers was investigated.

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  • 根据弹性、非比例强度、抗拉强度断裂伸长率观察分析提出了预应力钢丝拉施工工艺改进意见

    Some ideas on improvement in prestressing process are raised according to the observation and analysis on modulus of elasticity, apparent yield limit, tensional strength and percentage elongation.

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  • 研究结果表明浆膜断裂伸长率断裂。拉伸模量的浆料上浆的浆纱耐磨性,织造性能也较比良。

    Results show that yarns sized by sizes with films of higher breaking elongation and specific work of rupture and lower initial modulus have better abrasive resistance and weaving performance.

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  • 常规圆形丝相比伸长异形丝的强度模量断裂伸长率高。

    Comparing with the routine PET, the trilobal PET has lower strength and modulus, while its elongation is larger.

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  • 确定热障涂层残余应力结合力断裂韧性疲劳裂纹扩展速率性能特性,需要知道其杨氏模量

    To analyze the characteristics of TBCs such as residual stress, bond strength, fracture toughness, and crack propagation ratio, the Young's modulus and Poisson's ratio are important parameters.

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  • 应变下,断裂应变密度主要初始弹性模量稳应变共同决定,受温度效应应变率效应的综合影响。

    The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.

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  • w增加复合材料弹性、抗弯强度断裂韧性增大硬度减小

    With W content increasing, the elastic module, flexural strength and fracture toughness increase, but the Vickers 'hardness decreases.

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  • 本文比较了涤纶长丝单丝拉伸复丝拉伸的断裂强度、断裂伸长及分布初始模量

    The paper studied difference of mechanical properties between single fiber drawing and multifil drawing of PET filament.

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  • 温度断裂应力弹性影响也比较明显高温导致断裂应力小的弹性模量

    Temperature impacted on the fracture stress and elastic modulus of the material obviously. Elevated temperature will lead to low fracture stress and smaller elastic modulus.

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  • 试验结果表明可以一次有效载荷-位移记录中同时确定脆性岩石弹性模量拉伸强度断裂度。

    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.

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  • 获得标本最大断裂应力应变杨氏模量

    The maximum stress, strain at rupture, and Young modulus were obtained for each group.

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  • 测定处理驼毛率、直径减小率、初始模量断裂强力断裂延伸度。

    The initial module, strength at break, breaking extension after treatment were measured and compared with that of the control sample.

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  • 结果表明,在湿条件下老化结束后,材料断裂应力初始模量断裂损失率分别大于44%、65%51%;

    The results showed the loss rates of stress, initial modulus and breaking work were more than 44%, 65% and 51% after hydrothermal aging test respectively;

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  • 结果表明:温度升高,定向有机玻璃的拉伸强度拉伸模量降低,断裂伸长率增加材料刚而脆变得软而韧。

    The result shows with the temperature increasing, tensile strength and modulus decreases but elongation increase and material properties change from rigidity to flexibility.

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  • 枝后纤维强度初始模量下降断裂伸长柔顺性提高;耐酸、耐碱能力随接枝率的增加而提高,热稳定性提高,回潮率下降。

    The tensile strength and initial modulus were remarkably decreased and the breaking elongation and flexibility of grafted fiber were increased.

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  • 采用小型冲压实验方法太阳电池片基本力学性能进行测试,获得太阳电池片的弹性断裂强度等参数;

    The basic mechanics performance of solar cell was tested by small punch method, and elastic modulus and ultimate strength was obtained.

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  • 试验表明在相同纺丝条件下,涤纶三叶异丝的断裂初始随丝条异形提高降低,而断裂强伸度变异系数、沸水收缩率条干不匀率却随之增大。

    The test has shown that as the degree of profile increases, the initial modulus and the breaking strength and elongation of profile yarn decreases. We have also quined the findi...

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  • 随着VP-501增加,体系RT77K下断裂韧性增加然而拉伸降低了

    With VP-501 content increasing, the fracture toughness was increased, while the tensile modulus was decreased at both RT and 77 K.

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  • 结果表明:未改性的纳米碳酸钙显著提高复合材料弹性模量断裂伸长率冲击强度复合材料的拉伸强度有所降低。

    The results showed that unmodified nano-CaCO_3 had important effect on the improvement of the elastic modular, elongation at break and impact strength of PTFE. But the tensile strength was decreased.

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  • 结果表明:未改性的纳米碳酸钙显著提高复合材料弹性模量断裂伸长率冲击强度复合材料的拉伸强度有所降低。

    The results showed that unmodified nano-CaCO_3 had important effect on the improvement of the elastic modular, elongation at break and impact strength of PTFE. But the tensile strength was decreased.

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