Numerical Simulation of the Superplastic Forming of a Dental Ridge Augmentation Membrane

被引：6

作者：

Li, Xiaomei ^{[1
]}

Soo, Steven ^{[2
]}

机构：

[1] Southeast Univ, Sch Mat Sci & Engn, Nanjing 211189, Peoples R China

[2] Univ London, Univ London Kings Coll, Inst Dent, London SW3 6LX, England

来源：

MATERIALS AND MANUFACTURING PROCESSES | 2010年 / 25卷 / 12期

基金：

英国工程与自然科学研究理事会;

关键词：

Dental prosthesis; Finite element simulation; Flow stress; Superplastic forming; FINITE-ELEMENT-ANALYSIS; TI-6AL-4V; IMPLANT; FORMULATION; ALLOY; MODEL;

D O I：

10.1080/10426914.2010.512653

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A dental ridge augmentation membrane (RAM) of a Ti-6Al-4V alloy by a superplastic forming (SPF) technique is simulated and studied using finite element analysis. The simulations are dominated by a number of factors, which include target stress, strain rate, and material properties; for example, the initial grain size. The specially designed Superflag finite element program was used to provide information on thinning process, grain size, flow stress distribution, and contact accuracy between the alloy sheet and the ceramic die. The effect of different thickness sheets and target stresses has been analyzed and the simulation results showed that optimum superplastic forming of the prosthesis can be obtained by proper selection of target stress and thickness of the alloy. With the efficient simulation and production of the RAM, applications using the SPF technique can be broadened for other similar medical devices.

引用

页码：1470 / 1476

页数：7

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