After heat treated, its breaking elongation increases whilst its breaking intensity and elastic recover rate decreases. 经过热处理的PTT长丝的断裂伸长率增大,但断裂强度和弹性回复性都降低。
The web also increases the entanglement density in the amorphous region and thereby has the effect of increasing breaking elongation and impact strength. 这种网络增加了非晶区内的缠结点密度,使材料的断裂伸长率和冲击强度提高;
With the increase of needle depth, breaking elongation rate decreased. 的增加,产品的断裂延伸率减小;
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: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。
To measure tensile strength and breaking elongation of single yarn. 测定单根纱线的抗拉断裂强力断裂伸长。
Predicting the Breaking Elongation of Ring Spun Cotton Yarns Using Artificial Neural Network 基于人工神经网络的纱线断裂伸长预测
The fracture stress and Young's modulus are decided by draw ratio and independent of our set drawing temperature, however breaking elongation is decided by the both. 纤维的断裂强度与杨氏模量主要由拉伸倍率决定,断裂伸长率则由拉伸倍率和拉伸温度决定。
Addition of the kind will help improve ammonia fibre's breaking strength and breaking elongation, and prohibit yellowing of its thread. 采用质量损失率和断裂强力、断裂伸长等指标,客观评定常温下羽毛纤维的耐化学试剂性能。
The article studies the mechanical and thermal properties of PTT filament by comparing it with other filaments. The result shows that PTT filaments is of good elasticity and softness with its breaking elongation and elastic recover rate higher than that of other filaments, especially PET. 研究了PTT长丝的力学性能和热性能,并与其他长丝进行了比较,结果表明PTT长丝具有优良的弹性和柔软度,其断裂伸长和弹性回复性比其他长丝好。
High-speed shear can increase breaking strength and breaking elongation of blended size film, and enhance toughness, breaking strength and breaking elongation are increased with the speed and time of shear. 通过高速剪切能增大混合浆液浆膜断裂强度和断裂伸长率,提高浆膜韧性,且浆膜断裂强度和断裂伸长率随剪切转速的加快和剪切时间的延长而变大。
Hardness, tensile strength, breaking elongation ratio and aging property of samples were tested and surface of sample after aging was represented by SEM. 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。
It is analyzed the influence of sericin aggregating state change caused by different soaking agents and treatment processes on the soft properties of silk in such aspects as initial modulus, breaking elongation and lubrication level variance. 文章从初始模量、断裂伸长、润滑度变化等几个方面,分析了不同泡丝剂和不同处理工艺引起丝胶聚集状态改变对丝条柔软性能的影响。
With twist-against-twist composite yarn, the correlation between breaking strength, breaking elongation ratio and twist of single yarn, twist of composite yarn are analyzed. 在复合纱线反向加捻的情况下,通过试验分析了复合纱线断裂强力、断裂伸长率与单纱捻度、复合纱线捻度之间的关系。
A new kind of cryogenic tensile testing jig was designed, and it was used to measure the tensile strength, tensile modulus of elasticity and breaking elongation of epoxy/ nano-SiO2 composite at room temperature and 77 K. 设计了一套低温拉伸夹具,并用其测试了环氧树脂/SiO2纳米复合材料在室温和77K环境下的拉伸强度、拉伸弹性模量和断裂伸长率。
The grafted fibres have higher breaking elongation, higher flexibility and lower Young's modulus than those of pure apocynum fiber. 与纯罗布麻纤维相比较,接枝纤维具有较高的断裂伸长率和较低的杨氏模量,柔顺性增加;
The results obtained are as follows: breaking strength decreases, breaking elongation increases greatly, initial modulus decreases, and elasticity recovery increases. 试验结果和分析表明,成圈后纱线的断裂强力有所下降,断裂伸长大幅度增加,初始模量下降,弹性回复率有所提高。
The results show that PTT staple fibers have good elasticity and softness, and its breaking elongation and elastic recovery rate are higher than that of PET fiber, which is proved by single-extension recovery experiment and ten-extension recovery experiment. 结果表明PTT短纤维具有优良的弹性和柔软度,其断裂伸长和弹性回复性比PET纤维高得多,一次拉伸回复和10次反复拉伸的总弹性回复率均高于PET纤维。
Breaking elongation increases with the increase in treatment temperature. 纱线断裂伸长随着处理温度的增加而增加。
The breaking elongation rate and breaking strength first increase, and then drop rapidly as the distance between the spinneret and the receiving screen increases; 随着喷丝口与接收屏之间距离的增加,静电纺PVA纳米纤维毡的断裂伸长率和断裂强度先增加,然后迅速下降;
Based on tensile testing for different width specimens of geotextiles, the relationship between specimen width and breaking strength, breaking elongation, lateral contraction, strength of fixed elongation and elasticity modulus were analyzed. 通过对土工织物不同宽度的拉伸试验,分析了土工织物试样宽度与断裂强度、断裂伸长率、侧向收缩率、定伸长强度、弹性模量之间的关系。
When the SF/ PCL blending ratio was 70:30, the breaking elongation rate has reached 100%. 当SF/PCL共混比为70:30时,断裂伸长率已经超过100%。
When the denim mass content is84%, the tensile strength and breaking elongation decrease after the flame retardant, but the bending strength increase. 牛仔织物质量分数为84%时,阻燃处理后,拉伸强度和断裂伸长率降低,弯曲强度增加。
Based on the studies above, the prediction models of breaking stress and breaking elongation are explored primarily. 基于上述对浆纱耐磨性和浆纱结构的研究,对浆纱断裂强力和断裂伸长率预测模型进行了初步的探索和研究。
When the composites are lapped in the simple way, the lap joint length has no influence on the tensile strength, but it has influence on the breaking elongation and the yield strength. 简单搭接的拉伸强度与搭接长度无关,但对屈服强度和断裂伸长率有影响。
Compared with the sheets based on SPI, the GSD-3 sheets exhibited good tensile strength, breaking elongation and thermostability because of the strong interaction between cellulose, polysaccharide, and protein in the SD. 由于SD中纤维素、多糖和蛋白质之间强烈的相互作用,GSD-3试片显示出略高于SPI试片的拉伸强度、断裂伸长率和热稳定性。
With the incorporation of PHB, the swelling property of chitosan decreased while the tensile strength, the breaking elongation and the cytocompatibility increased. PHB材料的引入,使壳聚糖材料的溶胀性能降低,断裂伸长率和拉伸强度增大,细胞相容性提高。
The performance of the product was researched after it was produced into film by film tensile strength test, breaking elongation test and T-tensile test. 通过膜拉伸强度、断裂伸长率、直角拉伸测试对产品加工成膜后的性能进行了研究。
With the increase of adding amount of PMSQ, the tensile strength and breaking elongation ration decreased. 随PMSQ用量的增加,拉伸强度、断裂伸长率均逐渐下降。
The breaking strength, breaking elongation and crimp elasticity of PASTER are lower than conventional polyester fibre and common ECDP fibre 's. It proved that crystallinity degree decreased, the molecular structure becomes loose and soft. PASTER的断裂强力、断裂伸长和卷曲弹性率低于常规涤纶和ECDP,进一步证明结晶度下降,分子结构变得疏松、柔软。