1) forming limit stress diagram
成形极限应力图
1.
A new method for establishing forming limit stress diagram of sheet metals;
一种建立板料成形极限应力图的新方法
2.
Based on the experimental results,the FLSD(forming limit stress diagram) was determined.
论述了硬铝合金成形工艺中应变路径、固溶热处理和时效过程对成形极限的影响,由试验得到了单向拉伸预应变和固溶热处理后时效过程中的成形极限图FLD(Form-ing Lim itD iagram),重点研究了固溶热处理后时效过程中成形极限的变化,并得到了铝合金在时效过程中的成形极限应力图FLSD(Form ing Lim it Stress D iagram)。
3.
In view of the above reason, this thesis adopts the forming limit stress diagram as the in.
本文基于板成形专用有限元分析软件DYNAFORM,以国内外板料成形领域认同的具有应变路径独立性优点的成形极限应力图为判据进行了应用软件的二次开发,以期为板成形有限元分析软件提供一个新的失稳判据。
2) forming limit stress diagram
应力成形极限图
1.
A program of forming limit stress diagram is developed based on the finite element software Dynaform.
根据极限应变到极限应力的转换关系,采用 Hill48塑性准则和 Hill79塑性准则建立了应力成形极限图的数学计算模型。
2.
The forming limit stress diagram(FLSD) which established with limit stress is independent on the strain paths and it is practical to use as the criterion of forming limit under cmplex strain paths.
由极限应力构成的应力成形极限图(FLSD)独立于应变路径,可作为复杂应变路径下成形极限的判据。
3.
Forming limit diagram is used for analyzing sheet forming in finite element analysis software have proposed forming limit stress diagram which is not relies on the loading path.
但它是依赖于加载路径的, 用它来分析多道次板成形是不合适的,于是人们提出了与加载路径无关的应力成形极限图。
3) forming limit stress diagram(FLSD)
成形极限应力图(FLSD)
4) Forming Limit Stress Diagram (FLSD)
板料应力成形极限图(FLSD)
5) 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。
补充资料：极限应力平均差
分子式：
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条