Effect of hybrid reinforcement at stirred zone of dissimilar aluminium alloys during friction stir welding
Effect of hybrid reinforcement at stirred zone of dissimilar aluminium alloys during friction stir welding
复制标题
搅拌摩擦焊异种铝合金搅拌区混合增强效应
DOI：
10.1051/metal/2019062
复制
发表时间：
2019
影响因子：
1.1
通讯作者：
V. Vignesh
中科院分区：
文献类型：
--
作者：
R. A. Kumar;Raghav G R;K. Nagarajan;Sathish Rengarajan;P. Suganthi;V. Vignesh
本工作的主要目的是修改的机械性能以及表面性能的焊缝熔核的增强混合陶瓷颗粒（氧化铝和碳化硅）。这是通过在不同的AA 6101-T6和AA 1350铝合金上结合摩擦搅拌焊接（FSW）和摩擦搅拌处理（FSP）来实现的。为此目的，使用各种水平的Al 2 O3和SiC颗粒的混合比例，具有恒定的凹槽深度和宽度，即恒定的凹槽尺寸。为了评估接头的质量，进行了拉伸、弯曲、显微硬度、磨损和显微组织研究。其中，100%氧化铝颗粒增强体具有更好的机械性能和磨损性能。另一方面，100%碳化硅颗粒的增强产生差的机械和磨损性能。与碳化硅颗粒增强相相比，氧化铝颗粒增强相的增加提高了熔核的力学性能和耐磨性能。
The main objective of this work is to modify the mechanical as well as surface properties of weld nugget by the reinforcement of hybrid ceramic particles (alumina and silicon carbide). This is accomplished by combining friction stir welding (FSW) and friction stir processing (FSP) on dissimilar AA6101-T6 and AA1350 aluminium alloys. For this purpose, various levels of mixing proportions of Al2O3 & SiC particles are used with constant groove depth and width i.e. constant groove dimension. To evaluate the quality of joints, tensile, bending, micro-hardness, wear and microstructural studies are carried out. Among these, reinforcement of 100% alumina particles exhibits better mechanical and wear properties. On the other hand, reinforcement of 100% silicon carbide particles produces poor mechanical and wear properties. And also increment in percentage of reinforcement of alumina particles improves the mechanical and wear properties of weld nugget, when compared to increment in percentage of reinforcement of silicon carbide particles.