伸长率

高温拉伸试验表明，在2.5×10-4s-1的应变速率下，800℃时伸长率高达216%，获得很好的超塑性。

High-temperature tensile test shows that superplasticity is excellent at 800 ℃ by strain rate of 2.5 × 10-4 s-1 , and the extensibility is up to 216 % .

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。

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 .

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%。

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

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。

The quality of all products exceeds the National Standard of soft PVC granule for automobiles sealant strip .

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；

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

影响PA6浸胶帘子布定负荷伸长率的因素

Analysis on factors effecting on constant load elongation of latexed fabric

当添加1%，伸长率增加43.49%，而对抗张能量吸收值（TEA）增长幅度也较大。

When 1 % of anionic starch is used , elongation increases 43.49 % , and tensile energy absorption improves with a great extent .

借助两种不同的方法，测定了冷轧薄板的应变硬化指数（n）、塑性应变比（r）值和伸长率。

The strain hardening exponent ( n ), plastic strain ratio value ( r ) and elongation of the cold rolled thin shect have been measured by two different methods .

MWNTs或CB的加入使PP材料的断裂伸长率大幅下降。

The elongation at break of PP composites decreases greatly with the addition of MWNTs or CB particles .

对试样进行了硬度、拉伸强度、断裂伸长率、热老化等性能试验；对老化后的试样表面进行了SEM表征。

Hardness , tensile strength , breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM .

纺丝速度和定型温度对涤纶POY自伸长率的影响

Influence of spinning speed and setting temperature on self-extensional rato of polyester POY

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。

Combined with 1 % RE , addition of Sr as modificator could obviously improve the elongation and increase tensile strength further .

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；

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

提高电线电缆用三元乙丙橡胶（EPDM）材料的拉伸强度和伸长率。

Improved tensile strength and elongation of ethylene propylene diene monomer ( EPDM ) compounds used for wire and cable .

结果表明：PVC的拉伸屈服强度随外力作用速度的提高而提高，断裂伸长率却随之下降。

The results showed that with the the increase of outside force velocity , the tension yield strength of PVC increased , but its breaking elongation decreased .

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；

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 ℃ .

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%；

After strengthening solution and T6 treatment , the tensile strength and elongation of studied alloy are 829.4 MPa and 5.7 % , respectively .

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。

Such as when the filling ratio is 5 ~ 10 % , the fracture elongation percent of PP filled by composite GCC was greater than PP matrix .

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。

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 .

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；

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

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。

All the hardness , elastic modulus , tensile strength and elongation at break of the PU / OMMT nano-composite were higher than those of PU compound .

结果表明，用过氧化物交联后，POE的拉伸强度、扯断伸长率和扯断永久变形大幅度下降。

The results showed that the tensile strength , elongation at break and permanent set at break of POE decreased greatly after crosslinking .

对EB辐照薄膜的某些性能指标，如表面接触角、分子量、交联度及拉伸强度、断裂伸长率等进行了测试。

Some performance indexes such as surface contact angle , molecular weight , crosslinkage , tensile strength and break elongation etc. were investigated .

交联后PP的拉伸强度增加了3.3%，断裂伸长率降低了45.9%，屈服负荷增加了6.3%。

The tensile strength increased by 3.3 % , elongation at break decreased by 45 . 9 % , yield load increased by 6 . 3 % based on un-crosslinked samples .

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。

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，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；

The result indicated that polyurethane waste decreased the strength of flexible PVC , and increased its elongation ; TPU enhanced the strength and elongation of PVC .

PPC具有优异的生物相容性和阻氧性，且其分子链柔性高，制品的断裂伸长率较大。

PPC has excellent biocompatibility and gas barrier properties ( oxygen resistance ), high molecular chain flexibility and elongation of its products .

试样表面镀锡使ADI的抗拉强度和伸长率下降，镀锡层不能有效防止ADI的水脆化。

Soldering on ADI surface decreased the ADI tensile strength and elongation , and solder coating could not prevent from water embrittlement .

采用TEM和维氏硬度计研究了回归再时效（RRA）处理对7050铝合金的影响，对处理后合金试样的强度和伸长率进行了测试，并对试样断口在SEM下进行了观察。

Precipitation behavior of 7050 aluminium alloy has been studied by transmission electron microscopy and Vickers hardness tester after retrogression and reaging ( RRA ) treatment .

当PA／EP为11时，体系达到了较好的相容状态，伸长率很小，相应的模量和拉伸强度最大；

When PA / EP blend ratio was 1 ∶ 1 , the system had good compatibility , having a small elongation and maximum modulus and tensile strength .