Optimization of hot extrusion process parameters for 7075 aluminum alloy rims based on HyperXtrude

被引：17
作者：
Ji, Hongchao [1 ,2 ,3 ]
Qiao, Jiahao [2 ]
Kang, Naizheng [3 ]
Wang, Xiuli [1 ]
Huang, Jianghua [4 ]
机构：
[1] Zhejiang Univ, Sch Mat Sci & Engn, 866 Yuhangtang Rd, Hangzhou 310030, Peoples R China
[2] North China Univ Sci & Technol, Coll Mech Engn, 21 Bohai Rd, Tangshan 063210, Peoples R China
[3] Zhejiang Zhaofeng Mech & Elect Co Ltd, Hangzhou 311232, Peoples R China
[4] Zhejiang Univ Sci & Technol, Sch Mech & Energy Engn, Hangzhou 310023, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 25卷
基金：
中国国家自然科学基金;
关键词：
Hot extrusion; Profiles; Process parameters; HyperXtrude; 7075 aluminum alloy; Gray relational method; PORTHOLE DIE; TAGUCHI; PROFILE; DESIGN;
D O I：
10.1016/j.jmrt.2023.06.239
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Aluminum alloy has the characteristics of light weight, high strength, corrosion resistance, easy forming, etc., and is widely used in manufacturing industry. The extrusion speed of aluminum alloy rim is not uniform, which affects the mechanical properties of the product. In order to solve these 1problems, the finite element analysis model of hot extrusion of aluminum alloy profiles was established in HyperXtrude software. The influences of different bar diameters, hot extrusion velocity, bar preheating temperature, die temperature and extrusion cylinder temperature on velocity difference and maximum extrusion pressure at the exit were analyzed. The results show that the designed hot extrusion rim die meets the requirements of strength and deformation, and the best extrusion process parameters of 7075 aluminum alloy rim profiles in improving profile quality and reducing energy consumption are obtained by Taguchi test gray correlation method.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码：4913 / 4928
页数：16
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