热塑性塑料通常分为两类:即结晶质的和非结晶质的。
Thermoplastics are generally divided into two classes: namely crystalline and amorphous.
根据递增塑性破坏的强度准则,详细讨论了循环弯曲载荷下船体梁的非弹性变形性能。
Based on the strength criterion of the incremental plastic collapse, the inelastic deformation behavior of a ship's hull girder under cyclic bending loads was discussed in detail in this paper.
利用非木材纤维填充热塑性树脂来开发仿木塑料产品越来越受到人们的重视。
People pay more and more attention to develop the simulated wood plastic products which utilize the non - timber fiber to pack hot plasticity resin.
实验和研究表明:基于经典弹塑性及蠕变理论的本构方程,非弹性应变在高温下其本质上是时间相关的。
The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.
本文从两个不同的途径证明了刚塑性可压缩材料在非主轴条件下的塑性力学基本关系式。
The basic relationship of plastic mechanics of the rigid plastic compressible material under non-principal axis condition was finalized through two different approaches.
采用塑性有限元、灵敏度分析和工程优化算法相结合的方法,对非等温成形过程中预锻模具形状进行了优化设计。
An optimization method for preform die shape in non-isothermal metal forming using plastic finite element method, sensitivity analysis and engineering optimization algorithm is presented.
将它用塑性或非塑性聚合物胶乳浸渍及干燥后,再浸以能在楦鞋过程蒸发掉的溶剂。
Use it plasticity or be not macerate of plasticity polymer latex to reach dry hind, again the dissolvent that dip drops with can evaporating in last shoe process.
采用显式动力学弹塑性有限元方法,对平板轧制过程中咬入阶段的非稳定变形进行了数值模拟。
With the dynamic explicit elastic plastic finite element method, the unsteady deformation of the bite stage in slab rolling was simulated.
结果表明,在通常的挤出加工条件下,大豆蛋白质是典型的假塑性流体,其非牛顿指数在0 . 2 ~ 0 . 6之间。
The results showed that soy protein was a typical pseudoplastic fluid in normal processing ranges, and the value of flow behavior index was in the range of 0.2 ~ 0.6.
采用自行研制的水泥砂浆塑性收缩应力测试装置和非接触式测长装置,分别研究了低掺量的聚丙烯纤维对水泥砂浆塑性收缩应力和塑性收缩率的影响。
The effects of polypropylene fiber on the plastic shrinkage stress and plastic shrinkage ratio of the mortars were investigated by use of a self-designed measuring device.
在这一思潮的影响下,非监禁刑和社区矫正成为许多国家所青睐的制度,而缓刑在这些方面具有极强的可塑性。
Be influenced by such trend of thought, un-jailed and community correction have become the favourable styles in many countries, and, probation system can be molded in these aspects.
本文对服从非关联流动法则下的刚塑性极限分析问题,提出了参数势能变分原理和参数广义变分原理。
The parametric potential energy principle and the generalized parametric variational principle are developed in the limit analysis of the non-associated flow rule materials.
塑性变形同样能够诱导非晶合金的晶化,并且有望成为制备新型非晶基复合材料的有效手段。
It is found that plastic deformation can also lead to crystallization in amorphous alloy. It is expected to become an effective means to prepare new amorphous matrix composites.
综述了大块非晶合金在过冷液相区微塑性成形的工艺、成形性能评价及有限元技术应用方面的研究进展。
The forming techniques, evaluation systems and FEM application of bulk amorphous alloys in supercooled liquid region are summarized in this paper.
对大块非晶合金在过冷液相区内的超塑性变形特点进行了评述。
Superplastic behaviors of bulk amorphous alloys in the supercooled liquid region were reviewed.
通过流变行为的研究,证明了尼龙1212熔体为假塑性非牛顿型流体,并求得了其粘流活化能。
The rheological study indicates that Nylon 1212 melt shows a non ?Newton and pseudoplastic fluid and the viscous flow activation energy has also been obtained.
本文研究了非连续流动场中,刚塑性介质极限分析完全解的界限问题。
This paper studies the bounding problems of the complete solution of limit analysis for a rigid-perfectly plastic medium, allowing for discontinuity of plastic flow.
采用非线性时程分析和弹塑性静力分析,对钢支撑和粘滞阻尼支撑两类支撑的连续与非连续布置共四种支撑方案进行对比分析。
Nonlinear time history analysis and Pushover analysis are adopted to study steel brace and viscous damper brace systems with continuous layout and discontinuous layout.
将非局部总应变减去弹性应变,可得剪切带的非局部塑性应变。
Subtracting the elastic strain from the total strain yields the non-local plastic shear strain that depends on the flow stress and the damage variable.
该体系具有高的非晶形成能力,高的非晶热稳定性和高的压缩强度及较大的塑性应变。
The system is characterized by high amorphous formation ability, high amorphous stability, high compressing strength and large plastic strain.
非晶合金在工程应用中,不可避免地会发生塑性变形,其产生的结构变化会对材料的各种性能将会产生影响。
The plastic deformation inevitably occurs when amorphous alloys are applied in engineering. Microstructure transformation of amorphous alloys will influence various properties greatly.
本文采用莫尔-库仑屈服准则和非关联塑性流动法则分析了轴对称软岩巷道的变形规律。
In this paper, the deformation of the axisymmetrical tunnel in soft rocks is studied by using the Mohr-Coulomb yield criterion and non-associative plastic flow rule.
本文采用直接边界元法,研究了土的弹塑性、粘塑性(含蠕变)及温度应力等非弹性状的边界积分方程求解摸式。
With direct B. E. M. the boundary integral equations of soil for elastoplasticity, viscoplasticity cluding creep and temperature stress are researched and soluted.
对于非均质各向异性软土地基上管桩基础的承载力,基于塑性极限分析理论考虑软土强度的非均质与各向异性效应,提出了一种改进的三维极限分析上限解法。
A modified three-dimensional plastic limit analysis method is proposed for lateral bearing capacity of the large-diameter pipe pile in the inhomogeneous and anisotropic soft ground.
锻件成形过程中,非稳态、不均匀的温度场对金属的塑性流动有很大的影响,尤其是高温成形过程。
During forging forming process, temperature affects the pattern of metal deformation considerably, especially in the forming process at high temperature.
乙基纤维素(EC)是一种热塑性的非离子型纤维素醚,可溶于多种有机溶剂,在低温下仍能保持良好的挠曲性。
Ethyl cellulose (EC) is a thermoplastic nonionic cellulose ether, soluble in various organic solvents, at low temperatures can still retaining the with adhesive, filling and film good flexibility.
乙基纤维素(EC)是一种热塑性的非离子型纤维素醚,可溶于多种有机溶剂,在低温下仍能保持良好的挠曲性。
Ethyl cellulose (EC) is a thermoplastic nonionic cellulose ether, soluble in various organic solvents, at low temperatures can still retaining the with adhesive, filling and film good flexibility.
应用推荐