变形抗力是材料本身抵抗塑性变形的能力。
Deforming resistance is capability of material resisting deform.
热连轧;热模拟试验;变形抗力;本构方程;数据库。
Hot continuous rolling; Thermal simulation experiment; Deformation resistance; Constitutive equation; Database.
在研制材料变形抗力模型时,考虑了残余应变的影响;
Production data are used to develop rolling power consumption and force mathematical models, and the phenomenen of residual strain are thought, in establishing high temp…
用合理的模型结构形式回归了两钢种的热轧变形抗力模型。
The deformation resistance models of two steels during hot rolling have been established with regression analysis of reasonable structural formula.
离线预报表明:模糊神经网络预报金属塑性变形抗力有较高的精度。
Off-line forecast shows that fuzzy neural network has high precision in predicting metal plastic deformation resistance.
详细研究了带钢厚度、张力、压下率、变形抗力等对边缘降的影响。
The influences of strip thickness, forward and backward tension, reduction ratio and resistance to deformation on the edge drop were investigated in detail.
钛合金的变形抗力和屈强比较大,其壳体室温变薄旋压成形有一定困难。
Generally, it is difficult to spin titanium alloy at room temperature, because of its high deformation resistance and yield to tensile ratio.
采用牛顿迭代法,对冷轧过程控制带钢变形抗力后计算值进行非线性求解。
Newton iterative calculation was adopted for the solution of non-line equation, which reversed calculation value of strip deformation resistance for process control of cold rolling as variable.
结果表明抱辊偏心对变形抗力有影响,辗扩工艺具有不完整的三角形速度场。
The results show that eccentricity of ring holder affects the deformation resistance that the velocity field is a non-perfect triangular one.
因此,根据建立的计算模型得到了304不锈钢板带的变形抗力数学表达式。
Therefore, deformation resistance of 304 stainless steel was obtained according to the mold built.
随着锻造温度的增加,变形抗力和加工应力减小,合金的成形性能得到提高。
With the increase of forging temperature, the deformation resistance and stress for working are decreased, which brings about the improvement of formability.
用实测值回归出了耐候钢的新型变形抗力模型,而且该模型具有较高的拟合精度。
The model of the deformation resistance of weathering steel is calculated by measured value and it has higher fitting precision.
因此,根据建立的计算模型得到了薄带连铸304不锈钢的变形抗力数学表达式。
Therefore, the mathematic expression of deformation resistance of 304 stainless steel strip continuous casting was obtained according to the model built.
相同变形温度条件下,变形量增大时高洁净钢的变形抗力增加程度比两种工业钢小。
Further more, when the samples are deformed at the same temperature, clean steel will get smaller stress increments than that of two commercial steels as the reduction increases.
并且建立了高温变形抗力的分段函数流变模型,该模型计算结果与试验值吻合较好。
The rheological model of segmented function of high temperature deformation resistance was established. The calculated results by the rheological model were in good agreement with experiments.
在镦粗变形中金属的流动行为不仅影响变形抗力的大小,而且会影响变形工艺设计的准确性。
The flow behavior of metal during the upsetting will affect not only its resistance to deformation but also its accuracy of designed deformation process.
这是因为该复合材料中形成了共析组织,且相界面增多,塑性变形抗力增大,硬质点数量增多。
The main reasons are the forming of eutectoid structure, the increase of the phase interfaces, the enhance of the plastic deformation resistance, as well as the increase of the hard particles.
半固态成形具有加工温度低,变形抗力小的特点,为高效低能实现金属近净成形提供了现实可能。
Due to the special properties of semi-solid metal, it provides a possibility for metal near net shaping with high efficiency and low consumption.
在金属压力加工中,利用电塑性效应可降低金属变形抗力,增加金属成型极限,改善产品表面质量。
Electroplastic effect can be employed to increase metal forming limit, reduce deformation resistance and improve surface quality of product.
通过实验和轧制中的实际数据修正了变形抗力的志田茂公式,提出了在武钢生产条件下的变形抗力公式。
Therefore, a equation of deformation resistance suitable for the product of Wuhan Iron and Steel Co. has been derived.
通过实验和轧制中的实际数据修正了变形抗力的志田茂公式,提出了在武钢生产条件下的变形抗力公式。
By analysing the experimental and actual rolling data, the equation of deformation resistance proposed by Moshitami was corrected.
对油品有极佳的抵抗力,耐高温、耐候性均佳,但机械强度、压缩变形率及耐水性稍差。
Excellent resistance to oil, high temperature resistance, weather resistance are good, but the mechanical strength, compression deformation rate and water resistance is slightly worse.
本文用有限元法模拟滑体为砂粘土的模型试验条件,对抗滑桩的变形及土体抗力进行分析。
According to the test condition when slide mass is sandy clay, the authors study the deformation of anti-slide pile and soil resistance.
在形变速率相同的条件下,随变形温度的升高,试样内部最大形变抗力及最大应力呈下降趋势。
The inner maximum resistance force and the maximum stress of the specimen decreases as the deformation temperature increasing.
结果表明:当变形量为0 ~ 40 %时,随变形量的增加,其碳化物破碎程度增加;热疲劳抗力有所提高。
The results show that the carbide breaks and the thermal fatigue resistance increase with increasing of quantity of deformation, when it is in 0 ~ 40%.
作者结合岩石力学试验和岩石强度理论对抗滑桩岩质锚固段的地基侧向抗力系数KH进行分析,并根据一定的变形观测和位移反分析法来为KH的取值作一些探讨和研究。
The writers also make some discussions and studies about the size of KH in the presence of deformation observations and displacement back analysis method.
对于高速铁路大断面黄土隧道严格的设计计算而言,黄土隧道围岩的弹性抗力系数、变形模量和压缩模量十分重要。
Elastic resistant coefficient, deformation and compressive moduli of surrounding rock in large-section loess tunnel are very important for design of tunnel.
以刚性桩法为基础理论和计算模型、弹性抗力法的计算结果为挠曲修正,首次提出一种既便于手算,又能考虑墙身挠曲变形的墙顶位移修正算法。
This method is easy to use manually as in rigid pile method and takes into account the pile flexibility as in elastic-reaction method as well.
本文研究了宏观残余应力对微塑性变形行为与抗力的影响。
The effect of residual stress on microplastic deformation behavior and microyield strength has been investigated.
本文研究了宏观残余应力对微塑性变形行为与抗力的影响。
The effect of residual stress on microplastic deformation behavior and microyield strength has been investigated.
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