A prediction model of the extrusion deformation with residual stress on 6063 aluminum alloy aeronautical plate considering different extrusion parameters

被引：5
作者：
Wu, Qiong [1 ,2 ]
Xue, Nian-Pu [1 ,2 ]
Zhang, Yi-Du [1 ,2 ]
Gao, Han-Jun [1 ,2 ]
Wu, Jian [1 ,2 ]
机构：
[1] Beihang Univ, State Key Lab Virtual Real Technol & Syst, Beijing 100191, Peoples R China
[2] Beihang Univ, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2020年 / 107卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Machining deformation; Residual stress; Prediction model; Aluminum alloy plate; Extrusion parameters; MACHINING DEFORMATION; CRACK INITIATION; DISTORTION; SIMULATION; DEFLECTION;
D O I：
10.1007/s00170-020-05102-6
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The deformation of aluminum alloy aeronautical plate is a common problem in the processing. The machining deformation can usually be predicted by the initial residual stress in the aluminum alloy plate. In this study, a prediction model considering the extrusion parameters for predicting the machining deformation of aluminum alloy plate is proposed. The FEM simulations and experiments are conducted to validate the accuracy of the prediction model, and not only the residual stress results but also the deformation results show good agreements. In addition, the other four groups of experiments are performed to obtain the results of machining deformation under different extrusion parameters. Finally, the relationship between machining deformation and extrusion parameters is discussed. The extreme values and their positions of the deformations under different parameters are given.
引用
收藏
页码：1671 / 1681
页数：11
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