the necessary conditions to possess high elongation for htpb propellants are high entropy elasticity of htpb binder and strong interface adhesion between htpb binder and ap particles.

the result indicated that polyurethane waste decreased the strength of flexible pvc, and increased its elongation; tpu enhanced the strength and elongation of pvc.

实验结果表明，废PU使软质PVC的强度下降，伸长率提高，TPU可以提高软质PVC的强度和伸长率；

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the experimental results showed that the mooney viscosity value, yield and tensile strength of raw rubber decreased, but plasticity and elongation at break increased with increasing the oil loading.

实验结果表明，随着充油量的增加，生胶ML值，屈服强度和拉伸强度均下降，可塑性增加，扯断伸长率变大，混炼行为变佳，胶料挤出性能由劣等转变为中等。

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all the hardness, elastic modulus, tensile strength and elongation at break of the pu/ ommt nano-composite were higher than those of pu compound.

PU/OMMT复合材料的硬度、弹性模量、拉伸强度和拉断伸长率均比纯PU有所提高。

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whether or not filling silica, the tensile strength and elongation at break of the vulcanized rubber reduced as the increase of br.

无论填充与否，共混硫化胶的拉伸强度和伸长率都会随着BR含量的增加而呈下降的趋势；

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the tensile strength and elongation after fracture vary little after rolling. as the result, the unstable strain ε_b decreases, while the percentage elongation after fracture δ_ ( 50) increases with increasing temperature;

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。在这两种机制作用下，温度越高失稳应变εb越小，断后伸长率5δ0越大；

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the elongation at break and tear strength of pla/ pbat 90/ 10 blend were significantly improved via reactive compatibilization by adr.

经ADR反应增容后，PLA/PBAT90/10共混物的断裂伸长率和撕裂强度有显著提高。

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the mechanical properties of eva filled with surface modified magnesium hydroxide were greatly improved, with the elongation at break being increased by a factor of four.

SEM观察发现采用原位聚合改性后的氢氧化镁与EVA基体树脂的相容性明显优于未改性氢氧化镁。将其填充EVA，明显改善了材料的力学性能和加工性能，材料的断裂伸长率提高4倍以上。

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such as when the filling ratio is 5~ 10%, the fracture elongation percent of pp filled by composite gcc was greater than pp matrix.

如当复合重质碳酸钙粉体填加5~10%时，PP复合材料的断裂伸长率比基体PP还要高，甚至出现拉不断现象，填加量达到20%时仍和基体持平。

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the elongation at break increased from 44.94% to 150.25% with the content of pcl increased.

随着PCL含量的增多，纤维网的断裂伸长率从44.94%增大至150.25%。

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after strengthening solution and t6 treatment, the tensile strength and elongation of studied alloy are 829.4 mpa and 5.7%, respectively.

合金经强化固溶和T6处理后，抗拉强度σb达829.4MPa，伸长率δ为5.7%；

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result showed that magnesium hydroxide had no effect on tensile strength and fracture elongation of pvc when the content of magnesium hydroxide was less than 1.5% at 25 ℃.

结果表明，在25℃，纳米Mg（OH）2添加量在1.5%以下，对拉伸强度、断裂伸长率两项指标基本没有影响；

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the effects of testing temperature on the elongation ratio at break, tensile strength and compression deformation ( penetration) were investigated in this paper.

研究了温度对PVC断裂伸长率、拉伸强度及加热形变量（针入度）的影响，发现与未增塑PVC相类似，增塑PVC在90℃左右出现断裂伸长率最大值；

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the elongations at break and impact strength kept increasing with increasing content of pdms.

冲击强度及断裂伸长率则随PDMS含量的增加而增加。

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combined with 1% re, addition of sr as modificator could obviously improve the elongation and increase tensile strength further.

在加入1%RE变质的同时复合加入Sr变质剂，可在进一步提高合金性能的同时，明显提高合金的伸长率。

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the results of modification are evaluated synthetically and showed: varieties of si quantity influence largely microstructure, resistivity, tensile strength and percentage elongation;

对变质效果进行了综合分析比较，结果表明：含Si量的变化对合金的金相组织、电阻率、抗拉强度和伸长率都有较大的影响；

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with 1.0% al_2o_3 addition, the fracture elongation is increased by 13.3%.

当加入的纳米Al2O3的质量分数为1%时，断裂伸长率可提高13.3%。

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the quality of all products exceeds the national standard of soft pvc granule for automobiles sealant strip.

虽然材料的拉伸强度、断裂伸长率略有下降，但均能达到和超过汽车密封条用PVC软质粒料质量标准。

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and the elongation and impact toughness decrease with w content increasing from 90% to 97%.

伸长率和冲击韧度随着W含量由90%增至97%时逐步减小。

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elongation of the alloy with 0.10% b content is increased by 21.6% comparing with that of as-cast alloy.

B的加入量为0.10%时，合金的伸长率比未变质合金提高21.6%。

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after softening with se-3, various sensuous indexes of leather sample, such as tensile strength, given load extensibility, breaking extensibility and water permeability are obviously superior to the original ones.

将SE-3用于皮革柔软处理，经处理后革样的各种感观指标如抗张强度、规定负荷伸长率、断裂伸长率、透水性明显优于原革样。

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