一个新的超塑变形空洞长大速率方程

›› 1993, Vol. 29 ›› Issue (3): 22-27.

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一个新的超塑变形空洞长大速率方程

蒋兴钢;崔建忠;马龙翔

北京科技大学;东北工学院

发布日期:1993-05-01

NEW CAVITY GROWTH RATE EQUATION IN SUPERPLASTIC DEFORMATION

Jiang Xinggang;Cui Jianzhong;Ma Longxiang

University of Science and Technology Beijing Northeast University of Technology

Published:1993-05-01

摘要/Abstract

摘要： 采用超塑变形空洞长大速率方程描述空洞长大的四大重要参量dr/dε，η，V f和r之间的关系。新的空洞长大速率方程比以往的没有考虑空洞连接的空洞篚速率方程具有更广泛的适用范围，并得到7475Al合金空洞长大的实验验证。

关键词: 7475Al, 超塑变形, 空洞, 空洞连接

Abstract: A new cavity growth formula considering cavity interlinkage was proposed in this paper. The relationship between η, V f , r and dr/dε is first shown in the new formula during superplastie deformation. The new cavity growth formula has a wider application than reported before which did not consider the interlinkage of cavities during deformation. The prediction of the cavity growth rate is consistent with the results of the cavity growth bebavior of 7475Al alloy during superplastic deformation.

Key words: 7475Al, Cavity, Cavity interlinkage, Superplastic deformation

蒋兴钢;崔建忠;马龙翔. 一个新的超塑变形空洞长大速率方程[J]. , 1993, 29(3): 22-27.

Jiang Xinggang;Cui Jianzhong;Ma Longxiang. NEW CAVITY GROWTH RATE EQUATION IN SUPERPLASTIC DEFORMATION[J]. , 1993, 29(3): 22-27.

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一个新的超塑变形空洞长大速率方程

NEW CAVITY GROWTH RATE EQUATION IN SUPERPLASTIC DEFORMATION

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