EFFECT OF MICROSTRUCTURE AND MECHANICAL PROPERTIES OF AL 3003 ALLOY WELD BY STATIONARY SHOULDER FRICTION STIR WELDING PROCESS

被引：2

作者：

Jung, Woo-Chul ^{[1
]}

Park, Joo-Heon ^{[1
]}

Yoon, Sang-Min ^{[1
]}

Kim, Young Kyun ^{[1
]}

机构：

[1] Inst Advanved Engn, Adv Mat & Proc Ctr, 175-28 Goan Ro,51 Beon Gil, Yongin 17180, Gyeonggi, South Korea

来源：

ARCHIVES OF METALLURGY AND MATERIALS | 2023年 / 68卷 / 01期

关键词：

Stationary shoulder friction stir welding; Aluminum; 3003; alloy; Microstructure; Mechanical properties; TENSILE; STABILITY; JOINTS;

D O I：

10.24425/amm.2023.141482

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The lap joint welding of Al 3003 alloy by stationary shoulder friction stir welding (SSFSW) was performed under the condi-tions of tool rotation and welding speed, and it was confirmed that the welding was performed under all conditions. The tunnel defects and pores were formed in the weld zone at the lowest tool rotation and welding speed, and it is increased, the weld surface has been improved. At the same tool rotation speed at the welding speed is increased, the grain size was refined in the stir zone (SZ) and thus the hardness increased by about 14% compared to the base metal. The tensile shear strength is measured to be 10 kN or more under most conditions, and in the 4000 rpm with high heat input, the shear tensile strength was measured relatively lower than other conditions due to excessive heat input of the material.

引用

页码：113 / 118

页数：6

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