1)forming limit成形极限
1.Suitability of some ductile fracture criteria and yield criteria in forming limit prediction;成形极限预测韧性断裂准则及屈服准则的影响
2.The theoretical prediction and numerical simulation of sheet metal forming limit;板料成形极限的理论预测与数值模拟研究
3.The forming limit of forward extrusion and cross rolling tube billet;管坯正挤—横轧的成形极限
英文短句/例句
1.Effect of forming angles on formability in single point incremental forming单点渐进成形中成形角对成形极限的影响
2.The Research on the Limit Parameters for One-Operation Forming the Conical Part in Deep Drawing;圆锥形零件一次成形极限参数的研究
3.Research on Deformation Mechanism and Forming Limits of Tube Inversion;翻管变形机理及翻管成形极限的研究
4.Prediction of forming limit diagram of aluminum sheet at elevated temperatures温成形中铝合金板成形极限图的预测研究
5.Forming limits and cavitation behaviors of superplastic Al6061/20SiC_w sheetAl6061/20SiC_w板材的超塑成形极限与空洞行为
6.Study on Forming Conditions for One-Operation Deep Drawing in Conical Part of Thin Wall;薄壁锥形件一次拉深成形极限条件研究
7.Forming limit and weld seam movement of TWBs with different thicknesses in square cup差厚拼焊板拉深方盒形件成形极限及焊缝移动
8.Limit Strains of Sheet Metal Forming under Broken-line Strain Paths(Ⅱ)--Calculating and Testing on the Limit Strains for Sheet Metal Forming复合变形路径下的板材冲压成形极限应变(Ⅱ)——冲压成形极限应变的计算与试验
9.Effects of Drawing and Bulging Parts Forming Condition on Forming Limit拉深—胀形类零件成形条件对成形极限的影响研究
10.An Orthogonal Anisotropic Ductile Damage Model Applicable to Deep- drawing Forming Limits一种适用于成形极限的正交异性延性损伤模型
11.Research on Forming Limits of Sheet Metal Basing on Continuum Damage Mechanics;基于连续损伤力学的金属板材成形极限研究
12.Applications of Numerical Simulation to the Analysis of the Forming Limit of Sheet Metals;数值模拟在板材成形极限分析中的应用
13.Deformation Limit of Hydroforming of AZ31 Magnesium Alloy Tubes at Elevated Temperature;AZ31镁合金管材热态内高压成形极限研究
14.The Applied Program Development of DYNAFORM Based on Forming Limit Stress Diagram Criterion;基于成形极限应力图判据的DYNAFORM的应用程序开发
15.Research and Application Software Development for Forming Limits of Axisymmetric Deep Drawing轴对称拉深件成形极限的研究及应用软件开发
16.Experimental investigation on forming limits of AA5052 sheet in hybrid quasi-static/dynamic plane-strain tensile processAA5052板材准静态/动态平面应变成形极限试验研究
17.Prediction of the forming limit of sheet metals based on Oyane ductile fracture criterion基于Oyane韧性断裂准则的板料成形极限预测
18.Experimental Study on Drawing and Compressing Area of Forming Limit Diagram for Stainless Steel不锈钢成形极限曲线图(FLD)拉压区试验研究
相关短句/例句
forming limits成形极限
1.Research on the forming limits and technology application of long shaft parts in open-die extrusion;长轴类零件开式挤压工艺应用及成形极限研究
2.Theoretical analyses of forming limits in tube hydroforming;圆管受轴压和充液内高压成形极限的理论解析
3.Experimental investigation on forming limits of AA5052 sheet in hybrid quasi-static/dynamic plane-strain tensile processAA5052板材准静态/动态平面应变成形极限试验研究
3)forming limit diagram成形极限图
1.Application of thickness gradient criterion in establishing forming limit diagram;厚度梯度准则在成形极限图建立中的应用
2.Prediction of sheet metal forming limit diagram by applying ductile fracture criterion;应用韧性断裂准则预测板料的成形极限图
3.Summarizes the existing methods for determining the formability of tube,the relevant methods mainly concentrate on the n,r value of tube for hydrofoming,geometric parameter and the forming limit diagram which is formed on the criterion for determ.总结管材性能评价方法的研究现状,目前判定标准主要集中于管材的硬化指数n,各向异性指数r值,以及几何参数和判定准则形成的成形极限图等方面。
4)forming limit diagram(FLD)成形极限图
5)forming limit surface成形极限面
1.The forming limit surface in sheet .通过试验分析了板料面内的各向异性对板料应力和应变成形极限曲线的影响,研究了利用三维空间的成形极限曲面代替二维坐标下的FLD来表示材料整个面内的成形极限的方法,经过分析认为板料成形极限面可以为板料成形有限元仿真提供更准确的成形极限判据。
6)FLD成形极限图
1.ANALYSIS ON MEASUREMENT,APPLICATION AND RELIABILITY OF FLD;成形极限图的测试、应用和可信度分析
2.This paper provides an introduction to the research state of several directions of numerical simulation, such as FEM algorithm, contact and friction, FLD and defects.本文对板料成形数值模拟的几个主要研究方向 :有限元算法、接触与摩擦、成形极限图、缺陷等的研究现状进行了介绍 ,并且讨论了板料成形数值模拟今后的研究方
延伸阅读
蠕变极限分子式:CAS号:性质:在蠕变试验中,负荷越小,经规定时间后测得的稳态蠕变速度和蠕变变形量也越小,当负荷减小到某一值时,经过规定时间后的蠕变速度或蠕变伸长量不超过某一规定值。能满足这一情况的最大应力称为蠕变极限,也有称为蠕变强度。它是温度的函数,是材料抵抗蠕变变形能力的量度,是评定材料实际使用中力学行为的重要参数。特别对于需要在高温条件下长期使用的构件是必须考虑的。因蠕变极限值随环境温度的升高呈明显下降趋势。该值不同于一般的力学参数,是一个有条件的特定值。随测定时规定的温度、时间和预设定的蠕变速度或蠕变量有关。所以在表示该值时要把规定的条件一起表示出来。
