塑性流动的特殊情况是冷变形,发生在硫化橡胶长时间连续承受低应力时以及金属蠕变时。
Special instances of plastic flow are cold flow, which occurs in vulcanized rubber after low stress has been continuously applied for a long time, and creep of metals.
具有强大的可塑性,导热系数低,能够耐高温等特点。
With a strong plasticity, low thermal conductivity, resistance to high temperature, etc.
这种新辊型对低塑性钢穿孔质量的改善和实现大前进角强化穿孔过程都有很大意义。
This new roll shape is very effective for improving pierced quality of low plastic steel and intensifying piercing process with larger cross angle.
低模量高性能热塑性弹性体的食物遵守特异性。它适用于挤出和注塑成型工艺。
A low modulus high performance thermoplastic elastomer with food compliance specificity. It is suitable for extrusion and injection molding processes.
低塑性混凝土的二次振动效果不是很好,降低了混凝土的强度;
The effect of revibration for low fluidity concrete is not well, which reduces strength of concrete.
鉴于低模量、中高强度和良好塑性、韧性是医用合金作为外科植入物和矫形器械使用的重要先决条件。
The low modulus of elasticity, higher tensile strength, good plasticity and toughness are the most important premise for surgical implants and orthopedic devices.
分析其失效原因为铅合金在外力作用下,产生塑性变形引起的低周疲劳,造成断裂。
Through analysis, the failure reason was confirmed as that the low cycle fatigue caused by plastic deformation occurred in the lead alloy, thus the fracture occurred.
对有裂纹的连铸板坯进行了高温塑性试验、低倍、金相组织和夹杂物分析。
The slabs with these cracks were analyzed by means of high temperature plasticity, macrostructure, microstructure and inclusion test.
应用弹塑性理论分析屋面水箱的含裂缝承重墙体,得到临界荷载的计算公式,计算出的临界荷载远此砖砌体的局部抗压强度低。
When elastoplastic theory is used to analyses the brick wall with cracks bearing weight of water box on the roof of a building, a critical load formula is derived.
变形由强烈的塑性变形到弱变形,变质由角闪岩相到低绿片岩相及低于低绿片岩相。
The deformation was changing from plastic intensity to weakness and the metamorphic facies ranged from amphibolite to low-grade greenschist.
针对热轧带钢因卷取后钢卷内外圈与芯部的冷却速度不同,导致带钢成品头尾强度高、塑性低的问题,提出了卷取温度凹型控制模式。
U-shaped control model for coiling temperature was put forward to improve the high strength and low plasticity of head and tail of hot rolled strip.
本文将热塑性淀粉与低熔点共聚酰胺以不同的比例共混挤出,得到增强的热塑性淀粉材料。
In this paper, the reinforced thermoplastic starch(TPS)materials were obtained by extruding the mixture of TPS and copolyamide with a single scerw extruder.
在近海沉积物中广泛存在一种以粉质砂为主的轻亚粘土(中、低塑性少粘土),它常常是近海工程建筑物的主要持力层。
In offshore soils there exists widely a kind of soil which mainly consists of silt and sand except clay with low plasticity.
准铸态贝氏体低碳球铁韧塑性的提高,与其组织中形成的大量奥氏体和镶嵌在当中的针状无碳贝氏体密切相关。
The enhancement of toughness and plasticity of quasi-as-cast bainite low carbon ductile iron is contributed by the large amount of austenite and acicular carbon-free bainite inlaying in the austenite.
实验结果表明,使用性能良好的锭模耐火涂料在低剪切条件下,应具有较大的表现粘度与屈服应力,以及较小的塑性粘度和适当的触变性。
The results show that the coatings with good application properties have larger apparent viscosity , higher yield stress , lower plastic viscosity and proper thixotropy at lower shear rate.
有机质的存在会引起土的高塑性、高收缩性、高压缩性、低渗透性和低强度。
The existence of the organic matter leads to the soil high plasticity, high contractility, high compressibility, low permeation coefficient and low strengths.
采用自行设计的水泥砂浆塑性收缩应力测试装置研究了低掺量下聚丙烯纤维对水泥砂浆塑性收缩应力影响。
In this paper, the effects of polypropylene fibers on the plastic shrinkage stresses of the cement mortars were investigated by use of self-designed plastic shrinkage stresses measuring device.
在低周塑性疲劳阶段构件的疲劳开裂寿命仍可提高1倍左右。
In the low cycle plastic fatigue period, the fatigue progress life Nfcan al - so be increased by 1 time.
复合材料低的比例极限可由晶须端部应力集中所导致的低应力局部塑性变形来解释。
The low proportional limit may be explained by localized plastic deformation under low macroscopic stress caused by stress concentrations at the ends of SiC whiskers.
在应变疲劳曲线上,弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动;
The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.
包覆拉深工艺是一种适合于低塑性材料拉深成形的工艺方法。
Based on experiments, a novel forming technology was presented, named as "packed-layer drawing".
这样,镁合金板材处于一种低强度、高塑性的软化状态,成形性能会得到明显的改善。
In this way, the magnesium alloy sheets are in a kind of state of softening of low intensity and high plasticity, and the forming can obtain obvious improvement.
虽然具有良好的比刚度、比强度,然而PMMC的低塑性和低韧性一直是阻碍其进一步应用的障碍。
Although has the good specific stiffness and specific strength. However, low plasticity and low toughness of PMMC, has been an obstacle to hinder its further application.
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.
研究结果表明,低应变速率下的热塑性与蠕变密切相关。
The results show that creep should be connected with hot ductility at low strain rates.
结果表明,低变质程度和高灰煤浆多呈屈服假塑性,煤的性质起主导作用;
The results show that the CWS rheology of low rank or high ash coal is mainly due to the physical and chemical properties as well as surface structure characteristics of coal.
在材料低周疲劳过程中,由检测的应变信号,利用现代谱分析技术处理,得到材料疲劳过程的塑性变形并进行实时跟踪。
The modern signal analysis is used to measure the plastic strain in low cycle fatigue in this paper.
考虑零构件的随机因素,将随机有限元方法引入到交变载荷下弹塑性有限元的迭代格式中,得到局部应力应变的随机响应,为低周疲劳可靠性分析提供了更精确的依据。
The component randomness is considered. The SFEM is introduced in the iterative formulas of EFEM under cyclic loading to obtain the random response of local stress and strain.
低模量高性能热塑性弹性体的食品级特异性。
A low modulus high performance thermoplastic elastomer with food compliance specificity.
低模量高性能热塑性弹性体的食物遵守特异性。
A low modulus high performance thermoplastic elastomer with food compliance specificity.
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