Study on the thermal-assisted underwater friction stir lap welding for thermoplastic PC

被引：3
|
作者：
Sun, Yibo [1 ]
Sun, Yaqiang [1 ]
Zhang, Yuan [1 ]
Sun, Yang [2 ]
Zou, Li [2 ]
Yang, Xinhua [2 ]
机构：
[1] Dalian Jiaotong Univ, Coll Locomot & Rolling Stock Engn, Dalian, Peoples R China
[2] Dalian Key Lab Welded Struct & Intelligent Mfg Tec, Dalian, Peoples R China
来源：
MATERIALS LETTERS | 2023年 / 333卷
基金：
美国国家科学基金会;
关键词：
Polymers; Microstructure; Thermoplastic; UFSW; Taguchi experiment; PROCESS PARAMETERS; TENSILE-STRENGTH;
D O I：
10.1016/j.matlet.2022.133571
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the heat-assisted underwater friction stir welding (UFSW) lap test of thermoplastic polycarbonate (PC) sheets is studied. The contribution of rotational speed, welding speed and water temperature to the tensile strength of welds is analyzed by the Taguchi experiment and analysis of variance (ANOVA). The results indicate that the welding speed has the greatest effect on the tensile strength, followed by water temperature and finally rotation speed. The welding surface appearance and fracture surfaces confirm that the best parameter of UFSW of PC is the rotation speed of 1800 rpm, welding speed of 10 mm/min and assisted water temperature of 65celcius.
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页数：3
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