定伸应力

结果表明，短纤维的加入显著提高了SFRC的撕裂强度、10%定伸应力及邵尔A型硬度；

The results showed that the filling of short fiber evidently improved tear strength , modulus at 10 % and Shore A hardness of SFRC .

结果表明，随酚醛树脂用量增加，硫化胶硬度、100%定伸应力、动态弹性模量增加，而扯断伸长率、撕裂强度及动态力学损耗（tanδ）下降。

The results showed that hardness , 100 % modulus and dynamic elastic modulus increase with increasing of phenolic resin while break elongation , tear strength and loss tangent ( tan δ) decreasing .

力学性能测试实验也表明了外加丙酮溶物NR、IR的定伸应力、拉伸强度及其撕裂强度都高于空白样。

The modulus , tensile strength and tearing strength of rubber with acetone extracts are higher than before .

此外.含促进剂M胶料的拉伸强度、定伸应力、抗撕裂性、弹性等均略低于含DM的胶料，而耐热老化性能却比DM胶料好。

In addition , the tensile strength , modulus , tear resistance and rebound resilience of M containing compound were somewhat lower than those of DM containing compound , but the former gave better heat-aging resistance than the latter .

结果表明，加入1.5～5.0份MAA－Zn，可提高硫化胶的100%定伸应力、硬度和抗压缩永久变形能力，但对其他力学性能影响甚微。

The results showed that the modulus at 100 % , Shore hardness and resistance to compression permanent set increased by adding 1.5 ~ 5.0 phr of MAA-Zn without harm to the other properties of vulcanizate .

随纳米CaCO3含量增多，拉伸强度下降，扯断伸长率单调下降，体系100%定伸应力和硬度增大，回弹性降低。

With the content of CaCO_3 increasing , tensile strength first increased and then dropped , elongation at break decreased , 100 % tensile modulus and Shore A hardness increased and impact resilience got weaker .

经4h过硫化反应后，TBSI/TMTD体系的300%定伸应力保持约80%，而NS不足60%。

The ability of vulcanization reversion resistance of TBSI / TMTD was better than that of NS . After 4h over cure , their modulus at 300 % elongation was retentive of about 80 % and less than 60 % respectively .

随着SEBS-g-MAH含量增加，共混物的100%、300%定伸应力逐渐增加，断裂伸长率、断裂应力的变化相同。

With the content of SEBS-g-MAH increasing , the 100 % and 200 % fixed elongation stress of blends enhance gradually , as well as rupture stress and rupture rate of elongation ;

结果表明：白炭黑在SS-BR中的分散优于在ESBR中的分散，相应的复合材料300%定伸应力较高。

The results showed that the dispersion of silica in SSBR was better than that in ESBR , and the 300 % modulus of SSBR composite was higher than that of ESBR .

随着TPU含量的增加，共混材料100%的定伸应力保持不变，而300%定伸应力、断裂伸长率下降，断裂应力却逐渐增加。

With the content of TPU increasing , however , the 100 % fixed elongation stress of blends remains invariant and the 200 % fixed elongation stress of blends , together with rupture stress and rupture rate of elongation , increases .

由100℃热空气老化后EIR硫化胶的300%定伸应力下降表明，EIR属于断链反应为主的热老化历程。

The reduction in modulus of EIR 's vulcanizates on air-oven aging at 100 ℃ showed that the aging mechanism of EIRs was the reaction of the chain scission to hold a dominant position .

实验结果表明，振动力场的作用可以提高TPE的拉伸强度、100%定伸应力和扯断伸长，改善TPE的硬度。

The experimental results show that , under vibration force field , tensile strength , tensile stress at 100 % and elongation at break of TPE can be enhanced , and hardness ( shore A ) of TPE can be improved .

二元聚酰胺的加入可加速TPV中塑料相的结晶速率、减小其晶粒尺寸、增大结晶度，从而显著提高TPV的100%定伸应力及耐溶剂性。

Could increase crystallization rate and crystalline degree of the plastics phase in TPV and reduce its crystal size . Therefore not only the solvent resistance but also the stress at 100 % of TPV with polyamide 66 / 6 copolymer was improved .

结果表明，GMA、HEMA和NMA改性炭黑均改善了EPDM硫化胶的力学性能，当其用量分别为3.75,3,3份时，EPDM硫化胶的定伸应力、拉伸强度和撕裂强度达到最佳值；

The results showed that when the dosages of GMA , HEMA and NMA were 3.75 , 3,3 phr , respectively , the modulus at 100 % and 300 % , tensile strength and tear strength of EPDM vulcanizates reinforced with modified carbon black reached the optimum values .

结果表明，POEs具有良好的物理机械性能，加入炭黑有较好的增强作用，拉伸强度、撕裂强度、100%定伸应力和邵尔A型硬度提高，冲击弹性和扯断伸长率下降；

The results showed that POEs had good mechanical properties . Addition of carbon black had effect of reinforcing , 100 % modulus , tensile strength , Shore A hardness and tear strength increased drastically while impact resilience and elongation at break decreased .

无论是定伸应力、拉伸强度还是撕裂强度都有显著的提高。

Stress , tensile strength , or tear strength are improved significantly .

例如，300%定伸应力提高了77%，抗撕裂强度提高了38%。

For instance , 300 % modulus was increased by 77 % and tear strength by 38 % .

炭黑对硫化胶基本性能定伸应力的影响

The Black Carbon Settles to the Basic Function in the Gum of Vulcanization Effect that Stretch Should Dint

与相应的纯胶相比，OC/NR纳米复合材料的定伸应力提高，拉伸强度和扯断伸长率有所下降；

Compared to the pure rubbers , OC / NR exhibited higher modules and lower tensile strength and elongation at break ;

测试结果表明，随着蒙脱土用量的增加，复合材料的定伸应力、拉伸强度和撕裂强度均大幅度提高。

The results showed that the tensile strength , elongation at break and tear strength increased with the OMMT content increasing .

当硬段含量为41.6%时，TPPC-AU的拉伸强度和300%定伸应力达到极值，分别为43.1MPa和39.2MPa。

When the hard segment content was 41.6 % , both the tensile strength and 300 % modulus were 43.1 MPa and 39.2 MPa respectively .

实验结果表明：这两种短纤维橡胶复合材料的撕裂强度、20%定伸应力随短纤维长度增加而增大，抗溶胀能力增强；

The experiment results showed that the tear strength , the modulus at 20 % and the swelling resistance increased as the length of the fibre increased ;

聚合产物具有稳定的门尼粘度，焦烧时间、抗张强度、扯断伸长率、永久变形、定伸应力等物理性能。

The polymerization product has a stable Mooney viscosity , scorch time , tensile strength , elongation at break , permanent deformation , modulus and other physical properties .

结果表明，高羧基丁腈橡胶具有硬度、拉伸强度和定伸应力高，耐磨性好，压缩永久变形大，加工安全性较差等特点；

The results showed that the high carboxylated NBR featured high hardness , tensile strength and modulus , good abrasion resistance , but greater permanent set and poorer processing safety ;

有机高岭土填充胶料焦烧时间非常短，拉伸强度、定伸应力、撕裂能、扯断伸长率高，耐磨性能低。

Organoclay filled compounds showed very short scorch time , high values of tensile strength , modulus , tear energy , elongation at break , and low values of wear resistance .

硫化胶的邵尔A型硬度、拉伸强度、100%定伸应力、300%定伸应力及扯断永久变形增大，阿克隆磨耗量减小；

The vulcanizate presented higher Shore A hardness , tensile strength , modulus at 100 % , modulus at 300 % , and elongation at break , and lower Akron abrasion loss ;

但白炭黑在橡胶中的分散很困难，虽然加入硅烷偶联剂有利于白炭黑的分散，能够降低胶料的门尼粘度，但还是不够，而且提高了胶料的定伸应力。

But silica disperse in rubber difficult , although silane coupling agent has useful function in the white silica 's dispersion and reduce the Mooney viscosity , but it also increased the elongation .

以纳米氧化锌等量替代普通间接法氧化锌，可提高硫化胶的300%定伸应力和耐磨性，减小压缩永久变形，降低压缩疲劳温升；

The modulus at 300 % and abrasion resistance of vulcanizate increased , and the compression set and compression fatigue temperature-rise decreased by using nano-zinc oxide instead of conventional indirect zinc oxide in equal weight ;

研究结果表明：随着固化剂量增多，复合材料的拉伸强度、100%定伸应力和硬度都是先增大后减小，扯断伸长率先减小后增大。

With the increased of curing agents loading , the tensile strength , 100 % modulus and Shore " A " were increased firstly then decreased , elongation at break was reduced firstly then increased .

详细研究了尼龙和聚酯短纤维用量对尼龙－天然橡胶和聚酯－氯丁橡胶复合材料的20%定伸应力、拉伸强度及撕裂性能的影响。

The influence of the loading level of nylon and PET short fibres was studied on the physical properties of Nylon-NR and PET-CR Composites , such as 20 % modulus , tensile strength and tear resistance .