对玉米纤维进行不同方式的热处理实验,得出了热处理温度和热处理时间对断裂强度、断裂伸长、初始模量、断裂功的影响规律。
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.
随着共混物中弹性体质量分数的增加,共混物的拉伸强度和弹性模量降低,扯断伸长率增大。
With the increase of elastomer content, the tensile strength and elastic modulus of the blends decreased, while the elongation at break increased.
根据对弹性模量、非比例强度、抗拉强度和断裂伸长率的观察分析,提出了预应力钢丝张拉施工工艺的改进意见。
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.
研究结果表明,浆膜断裂伸长率和断裂比功大的。拉伸模量小的浆料上浆的浆纱耐磨性较好,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.
研究了碳纳米管的加入量与分散程度对复合材料的拉伸强度、拉伸模量、断裂伸长率的影响。
The effects of the content and dispersion of carbon nanotubes on the tensile strength, tensile modulus and ratio of elongation of the nanocomposites were studied.
与常规圆形丝相比,高伸长异形丝的强度和模量低而断裂伸长率高。
Comparing with the routine PET, the trilobal PET has lower strength and modulus, while its elongation is larger.
根据夫琅和费衍射原理,采用CCD来测量金属丝在拉力作用下的微小伸长量,对钢丝的杨氏模量进行了测量。
Based on the theory of Fraunhofer diffraction, an improved method is introduced to measure Young ' s modulus of steel wires using CCD.
本文比较了涤纶长丝的单丝拉伸与复丝拉伸的断裂强度、断裂伸长及分布和初始模量。
The paper studied difference of mechanical properties between single fiber drawing and multifil drawing of PET filament.
接枝后纤维强度和初始模量下降,断裂伸长和柔顺性提高;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.
若实验过程中假设钢管的弹性模量和钢材的弹性模量相等且为常数,则保温层摩擦力和无保温管与有保温管伸长量之差成正比;
The experiment is assumed that the elastic modulus of the steel pipe equal and constant, the insulation layer friction proportional to the difference of elongation.
物化性能优纤维断裂强度、模量适中,伸长大,纺纱织造性能好。
Physicochemical properties optimal fiber fracture strength, modulus moderate, elongation, spinning weaving performance is good.
结果表明:随温度升高,定向有机玻璃的拉伸强度和拉伸模量降低,断裂伸长率增加,材料由刚而脆变得软而韧。
The result shows with the temperature increasing, tensile strength and modulus decreases but elongation increase and material properties change from rigidity to flexibility.
通过测试环向拉伸强度,双向自增强PEX管材的拉伸强度最高可达到32.29%,弹性模量最大可提高13.06%,断裂伸长率平均减小5.88%。
The result reveals that the biaxial oriented PEX pipe can increase the tensile strength by 32.29% at most, while the modulus of elasticity increasing 13.06% and the elongation at break reducing 5.88%.
结果表明:未改性的纳米碳酸钙显著提高了复合材料的弹性模量、断裂伸长率和冲击强度,但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.
结果表明:未改性的纳米碳酸钙显著提高了复合材料的弹性模量、断裂伸长率和冲击强度,但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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