弹性回复
- 网络elastic recovery;Spring Back;spring-back;COR
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PAN/PU具有较好的弹性回复率。
PAN / PU hollow fibers possess excellent elastic recovery percentage .
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PTT纤维具有优良的弹性回复性能,尤其是小变形下的反复拉伸回复性能优异;
PTT fiber has also superiority on elastic recovery , especially for low elongation .
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退火热处理对PVDF薄膜应力-应变曲线和弹性回复率等力学性能影响较大。
Stress-strain curves and elastic recoveries of PVDF membranes could be affected by annealing .
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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。
After heat treated , its breaking elongation increases whilst its breaking intensity and elastic recover rate decreases .
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循环加载-卸载对Cu-Zn-Al合金弹性回复特性的影响
The Stress Cycles Effect on the Characteristic of Pseudoelastic Recovery in Cu-Zn-Al Alloys
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研究结果表明PE中空纤维的结晶度和弹性回复率(ER,%)随纺丝牵伸比的增加而增大,且随着纺丝牵伸比的增大,PE中空纤维膜的微孔结构也增大;
The results showed that the crystallinity and elastic recovery ( ER % ) of PE hollow fibers , and the pore size of the PE membrane all increased with the spin-draw ratio .
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选择适当的温度和拉伸比进行热定形,可提高PTT织物的断裂强力和弹性回复率,但其延伸性变差。
The breaking strength and resilient-elasticity recovery of PTT fabric can be increased under suitable temperature and drawing ratio during heat setting , but its dilatability took worse .
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从加工和使用过程中纤维聚集态中分子链构象的有序化转变,研究聚对苯二甲酸丙二醇酯(PTT)纤维的弹性回复机理。
The elasticity recovering mechanism of PTT fibers was studied through the ordering transformation of molecular chain conformation in aggregation of fibers in the course of processing and using .
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通过SEM观察及对拉伸曲线和弹性回复率等性能的测定,研究了热处理温度和拉伸张力对PTT纤维结构和力学性能的影响。
The effects of temperature and tension of heat treatments on the structure and mechanical properties of PTT fibers were investigated through SEM observation , and testing of the tensile and the rate of resilient-elasticity recovery .
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实验表明,PTT纤维具有优良的弹性回复率,PTT/PET、PTT/PBT纤维的卷曲性和沸水收缩性能更为优异,因此在今后PTT纤维的研究中可以尝试对其结构改进以更好发挥其性能优势。
The test results showed that PTT fiber owns good elastic recovery , and the crimping capacity and the boiling-water shrinkage property of PTT / PET and PTT / PBT were better .
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研究了冷拉伸对聚酯纤维聚集态结构、聚酯纤维回弹性能的影响,并讨论了PTT纤维的弹性回复机理。
The effect of cold drawing on aggregation structure of PET fiber and the rebounding performance of PET fibers were studied , and the elasticity recovering mechanism of PTT fiber was discussed .
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一般情况下,随着退火温度的升高,该系列合金的弹性回复能力越好。但Zr元素含量为3at%时出现异常,与此成分合金的Ms点略低于室温有关。
Generally , the elastic resilience became better with the annealing temperature rising except an abnormity at 3 at % Zr . It was related to the Ms temperature of alloys which was slightly lower than the room temperature .
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而24℃变形时处于超弹性回复区,其PME最好。在Mf以下施加较大载荷并卸载后有超弹应变;
While it existed in super elastic recovery temperature when being deformed at 24 , therefore showed the best PME . the load and unload process below Mf produces large elastic recovery ;
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其中PVA以其价廉、无细胞毒性、良好的通透性较高机械性能(高机械强度及弹性回复度)、高耐磨系数等优势被广泛用于细胞固定化中。
In recent years , PVA has been more widely used than other materials in cell immobilization for its cheap , nontoxic , better mechanical property ( high mechanical stability , modulus of elasticity and yield strength ), and high wearing coefficient .
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该复合材料力学强度介于塑料和橡胶之间,具备良好的力学回复特性和一定的形状记忆效应,HA为20%(质量分数,下同)时,断裂伸长率达到315%,弹性回复率可达98%。
The composite exhibits mechanical behaviors between those of plastics and rubber , and shows obvious elastic recovery and shape memory . While the content of HA was 20 wt % , the elongation at break reached 315 % , and recovery rate was 98 % .
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PTT作为一种新的纺织材料,其螺旋型的分子结构赋予了纤维较大的伸长能力以及优异的弹性回复能力,可用于开发出弹性优良的弹力织物。
Due to its molecular structure of spiral type , PTT , as one new textile material , has good performances of elongation and elasticity recovery . So it can be used for developing the fabric with fine elasticity .
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采用CibaVU-VUK预整理剂与低甲醛树脂相结合的二步法工艺进行免烫整理,可使织物的弹性回复角(缓弹)与强力损失都较单独使用树脂整理的好。
The combination of Ciba VU-VUK pre-finish agent and low-formaldehyde resin were applied to no-iron finishing by two-step method . The result indicated than the elastic recovery angle ( retarded ) and stength of the cotton treated with this no-iron finish were better than those finished by resin only .
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岩体结构面的剪切弹性回复位移
Shearing elastic restitution displacement of the structural plane of rock mass
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弹性回复对应原理在非线性粘弹性本构理论中的应用
Application of the elastic recovery correspondence principle in nonlinear viscoelastic constitutive theory
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PTT/PET自卷曲长丝的拉伸和弹性回复性能
Stretching and Elastic Recovery of PTT / PET Self-crimping Filament
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成形后的壁板将保留较大的残余应力,该应力主要是由蒙皮弹性回复所引起。
The panel production will preserve large remained stress which caused by the springback .
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有机成核剂改善聚醚酯纤维弹性回复率的研究
Study on elastic recovery percentage improvement of polyether ester elastic fiber with organic nucleating agent
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本实用新型具有弹性回复力性能稳定、成本低的优点。
The utility model has the advantages of stable performance of the elastic restoring force , and low cost .
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云锦一号棉纱较刚硬,弹性回复率为50%,且紧密纱较相应的环锭纱略高。
Yunjin No.1 cotton yarn is rigid , the elastic recovery rate is 50 % , moreover , compact yarn is higher .
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全棉免烫产品的折皱回复角(弹性回复角)和强力损失是两个重要指标。
Wrinkle recovery angle ( elastic recovery angle ) and strength loss are two important indexes of no-iron finished pure cotton fabric .
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被研究的参数包括面密度、拉伸和弹性回复性能、保暖性、抗皱弹性。
The performances include weight per square meter , stretch and elasticity restore capability , capability of keeping warm , resist pleating capability .
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对含氨纶较少的棉/氨弹力织物可选择活性染料染色,染色后各项牢度较好,弹性回复率较高。
Reactive dyes could be chosen for the fabrics with less spandex , which resulted in good dye fastnesses and high elasticity recovery .
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同时,由蠕变实验可以看到捻系数的大小对其弹性回复性影响不显著。并引入四元件模型对纱线的蠕变性能进行了模拟,模型拟合的参数与实验结果可以较好地吻合。
The creeping property of the yarn was analogized by a four-element analogous model and the result obtained is coincident with that of the experiment .
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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 obtained are as follows : breaking strength decreases , breaking elongation increases greatly , initial modulus decreases , and elasticity recovery increases .
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并对其取向,热性能,弹性回复性和热收缩性进行了研究。
Detailed studies were discussed in the dissertation including the mechanical property , orientation , thermal property , elastic recovery property and thermal shrinkage property .