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Effect of Water Splat Cooling on Microstructure, Texture and Mechanical Properties of Friction Stir Welded Aluminum Alloy Joints
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Zhang LUO1, Youping SUN1, 2, 3, Jiangmei HE1, Guangqing WU1, Xinyu LIU1
Mining and Metallurgical Engineering | 2024, 44(5) : 153 - 158
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Mining and Metallurgical Engineering | 2024, 44(5): 153-158
• MATERIALS •
Effect of Water Splat Cooling on Microstructure, Texture and Mechanical Properties of Friction Stir Welded Aluminum Alloy Joints
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Zhang LUO1, Youping SUN1, 2, 3, Jiangmei HE1, Guangqing WU1, Xinyu LIU1
Affiliations
  • 1.School of Mechanical and Automotive Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
  • 2.Guangxi Earthmoving Machinery Collaborative Innovation Center, Liuzhou 545006, Guangxi, China
  • 3.Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Liuzhou 545006, Guangxi, China
Published: 2024-10-01 doi: 10.3969/j.issn.0253-6099.2024.05.031
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The effect of water splat cooling assisted friction stir welding (WCaFSW) on the structure, texture and mechanical properties of aluminum alloy welding joints were investigated by means of optical microscopy, scanning electron microscopy and a tensile testing machine. The results show that compared to normal friction stir welding (FSW), WCaFSW can lead to grains in weld nugget zone (WNZ) with significantly reduced size and grains in all regions of WNZ with more uniform size, and a higher percentage of high-angle grain boundaries. The WNZ of FSW joints have and B shear texture, while the WNZ of WCaFSW joints have and C shear texture. Compared to FSW joints, WCaFSW joints have higher tensile strength and lower elongation rate. And ductile fracture is the main failure mode in both WCaFSW and FSW joints.

water splat cooling  /  friction stir welding (FSW)  /  joint structure  /  aluminum alloy  /  texture  /  mechanical properties
Zhang LUO, Youping SUN, Jiangmei HE, Guangqing WU, Xinyu LIU. Effect of Water Splat Cooling on Microstructure, Texture and Mechanical Properties of Friction Stir Welded Aluminum Alloy Joints[J]. Mining and Metallurgical Engineering, 2024 , 44 (5) : 153 -158 . DOI: 10.3969/j.issn.0253-6099.2024.05.031
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doi: 10.3969/j.issn.0253-6099.2024.05.031
  • Receive Date：2024-04-06
  • Online Date：2026-03-17
  • Published：2024-10-01
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  • Received：2024-04-06
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Affiliations
    1.School of Mechanical and Automotive Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
    2.Guangxi Earthmoving Machinery Collaborative Innovation Center, Liuzhou 545006, Guangxi, China
    3.Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Liuzhou 545006, Guangxi, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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