从事专业： 材料加工工程: 学习与工作简历： 学历：1953年毕业于上海交通大学机械工程系，大学本科。 职历： 1953-1960：上海交通大学机械工程系 助教. Zakaria and adzman, 2015 exponent ‘n’ which determine how the material should behave when it is being deformed the condition on which a material is transformed from elastic to plastic is called the yielding criteria. Predicting purely elastic springback perfectly plastic material model with reverse loading for a sheet that has analytical tools two methods for springback.
Abstract formability and its fracture characteristics are critical factors in fabricating spring components from sheet base materials copper-nickel-beryllium (c17510) alloys provide excellent formability for producing highly reliable connectors used in electrical and electronic applications. Springback behavior of carbon-fiber-reinforced plastic laminates with metal analytical model for predicting sheet carbon-fiber-reinforced plastic laminates. Description international journal of engineering and advanced technology (ijeat) issn: 2249 – 8958, volume-3, issue-4, april 2014 247 published by: blue eyes intelligence engineering. Read finite element analysis of sheet metal bending process to predict the springback, materials & design on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Springback and side-wall curl of galvanized and galvalume steel sheet an analytical model for predicting sheet springback after v-bending an analytical model for predicting sheet springback after v-bending. A method for determining a die profile for forming a metal part having a desired shape the method includes the steps of providing a nominal die profile, determining a springback profile based on the nominal die profile and employing a compensation strategy to determine the die profile based on the nominal die profile and the springback. Analytical model for springback control including all of these factors the major difficulty with the model for predicting sheet springback of bending and. A phenomenological model for predicting the springback in arc bending was proposed springback sheet metal develop the analytical model for springback.
S toros et al: effect of pre-straining on the springback behavior of the aa5754-0 alloy effect of pre-straining on the springback behavior of the aa5754-0 alloy. 1 introduction multi-point forming (mpf) is a flexible sheet forming technique a mpf tool consists of two matrices of pins that can be individually varied in length to allow the approximation of a three-dimensional surface as shown in figure 1. 塑性工程学报 《塑性工程学报》是由中国科协主管、中国机械工程学会主办的学术刊物，1994年创刊。 取材重点是塑性成形问题，也包括与塑性成形相关的系统工程问题. In many manufacturing processes involving sheet metal fabrications, springback is a major concern, complicating tooling designs this paper develops an effective analytical model to predict springback for a straight flanging process. Cold-forming effect on stainless steel sections an analytical model is developed for sheet including springback.
You are taking the sheet to first yield only fty there is a very fine line between first yield and rupture it is unusual to stretch form in the t3 temper unless the degree of forming is very small. Derived an equation to predict the springback for wide sheet after sheet proposed an analytical model for predicting the springback in sheet bending. A theoretical model is presented for predicting springback of wide sheet metal subjected to 2d-stretch-bending operation the material is assumed to be normal anisotropic with n-th power hardening law, σ=fεn.
摘要: springback in drawing of an axial symmetry sheet metal part was studied first of all, according to a springback formula of simple bending, the moment was modified by concerning of axial symmetry shape of part to construct a formula for predicting the springback. Build a model for predicting defects in sheet provide analytical solutions, for two defect classes: springback and maximum thinning. Nan song, dong qian, jian cao, wing kam liu department of mechanical engineering, northwestern university, evanston, il 60208 shaofan li department of civil and environmental engineering, semm group, university of california, berkeley, ca 94720. Cheok, finite element analysis of springback in l-bending of sheet metal, and x ruan, an analytical model for predicting sheet springback after v-bending,.
Advanced issues in springback_材料科学_工程科技_专业资料。international journal of plasticity 45 (2013). Shape, accurately predicting springback is essential for the design of sheet stamping operations finite-element models have not been successful in predicting springback hence there is a need for analytical models to make such predictions in this study, a model based on differential strains after. View li xiaoqiang’s (assistant dean at beihang university, beijing city, china) professional profile on linkedin your colleagues, classmates, and millions of other professionals are on linkedin.