1、

After ultraviolet irradiating, the Young's modulus and tensile yield strength of HDPE are increased; its elongation at break and notched Izod impact strength are decreased.

紫外辐照后,HDPE的杨氏模量和拉伸屈服强度提高,但断裂伸长率和缺口冲击强度下降。

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3、

The comprehensive tests of the mechanical properties showed that both the tensile strength at break and yield strength met the requirements of engineering plastics, and the Izod and Charpy impact strength in dry and wet state was obviously improved.

综合力学性能测试表明,材料的拉伸断裂和屈服强度符合工程塑料的要求,干态和湿态下的Izod、Charpy冲击强度得到显著提高,接近国外超韧聚酰胺66工程塑料水平。

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4、

This paper introduces the yield strength measurement of LY-12 aluminium alloy under dynamic loading in temperature interval from room temperature to 400 ℃.

本文介绍LY-12铝合金在常温至400℃动载下(应变率为10~3/秒),屈服强度的测试及研究。

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5、

Many properties of diamond ( e.g. its physical hardness, high Young's modulus, high tensile yield strength, chemical inertness, low coefficient of friction and high thermal conductivity) make it an excellent material for micromechanical device applications.

金刚石的许多性质(例如,高硬度、高弹性模量、高屈服强度、化学惰性、低摩擦系数和高热传导)使它成为微结构器件的优异材料。

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6、

Compare with the yield strength, the increases of tensile strength and elongation are more remarkably.

相对于提高幅度不大的屈服强度而言,抗拉强度和延伸率提高的幅度比较明显。

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7、

The results indicated that for GB/ PP composites, with the increase of the GB content, the tensile modulus, bending strength and modulus increased linearly, while the yield strength decreased slightly;

结果表明:随着GB用量的增加,单、双螺杆挤出GB/PP复合材料的拉伸模量、弯曲强度和弯曲模量均呈线性增长的趋势,而屈服强度则有小幅下降;

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8、

For GB/ LLDPE composites extruded by single screw extruder, with the increase of filler content, the tensile modulus, bending modulus increased linearly, while the yield strength and bending strength increased slightly at higher filler content.

而GB/LLDPE中,随着GB用量的增加,单螺杆挤出复合材料的拉伸模量、弯曲模量均呈线性增长趋势,而屈服强度和弯曲强度在含量较高时略有上升;

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9、

This paper studied the basic properties of metallocene linear low density polyethylene ( mLLDPE), including density, melt flow rate, molecular weight distribution, melt point, yield strength, tensile strength at break, elongation at break and Izod impact strength.

研究了茂金属线型低密度聚乙烯(mLLDPE)的基础性能,包括密度、熔体流动指数、熔流比、分子量及其分布、熔点、屈服强度、断裂强度、伸长率、冲击强度等。

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The yield strength, yield tensile ratio and toughness are major quality indexes of steel pipe ( board). However, it is quite difficult to determine them reasonably.

屈服强度、屈强比、韧性等是钢管(板)的主要质量指标,合理确定这些指标的数值有相当难度。

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11、

But for the die-cast Mg-Al-Nd magnesium alloy, when the holding time of solution treatment was same, the ultimate tensile and elongation of alloys would increase while the yield strength of alloy could be decreased with the solution treatment temperature heighten.

对于压铸态Mg-Al-Nd镁合金,当固溶处理后保温时间相同,随着固溶温度的升高,合金的抗拉强度和伸长率升高,但是屈服强度却降低了。

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A thermal elastoplastic contact model which can take into account the effects of temperature-dependent yield strength was developed by using finite element method.

应用有限元方法建立了可考虑屈服应力温度相关效应的粗糙表面热弹塑性接触模型。

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13、

After the castings of tensile specimen were all earmarked, a static tensile test was used to evaluate their tensile strength, 0.2% yield strength and elongation, refer to the ISO specification 9693.

⑶对拉伸试样的铸件进行标记后,参照ISO9693标准,采用静拉伸实验测试其拉伸强度、0.2%屈服强度以及拉伸率。

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The results showed that the Vicat softening temperature and the tensile yield strength were improved with the increase of CPVC content.

结果表明,共混材料的维卡软化温度和拉伸屈服强度随CPVC用量的增加而增加;

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The tensile yield strength and elongation of low-halogen flame-retardant HDPE were discussed.

研制了低卤阻燃HDPE,并对其力学性能进行了分析,详细讨论了不同分子量分布的HDPE、不同种类的偶联剂对阻燃HDPE的拉伸强度、断裂伸长率和氧指数的影响;

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S This paper introduces the investigation of the velocity dependence of the tensile yield strength of UPVC for water supply pipe.

本文研究了硬质聚氯乙烯给水管材料拉伸屈服强度与拉伸速度之间的关系;

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The tensile yield strength at 650 ℃ is increased with increasing amount of Ta for Ti_2AlNb based alloys.

随着Ta含量增加,Ti2AlNb基合金在650℃的屈服强度增加。

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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。

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Compared with neat PA6, the tensile modulus, the yield strength and the hardness of the nanocomposites were improved by about 100% 75%, and 25%, respectively, with incorporation of only 1 wt% CoAl-LDH.

当仅加入1wt%LDH时,尼龙6纳米复合材料的弹性模量、屈服强度和硬度比纯尼龙6分别提高了100%、75%和25%。

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The specific strength of RS/ PM Mg_ ( 97) Zn_1Y_2 is the highest among all metallic alloys and the RS/ PM Mg-Zn-Y alloys have the best combination of tensile yield strength and plastic elongation among all kinds of Mg-based alloys.

在所有的金属合金中,RS/PM Mg97Zn1Y2合金的比强度是最高的。而在所有的Mg基合金中,RS/PM Mg-Zn-Y合金具有最佳的综合性能。

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