Silicon carbide (SiC), Silicon nitride (Si₃N₄) particles were added in AA6082 to produce aluminum matrix composites (AMCs). Identifying suitable joining process and selecting appropriate parameters is essential for application of these AMCs. Fabricated plates of AA6082/SiC/5 wt.%, AA6082/SiC/10 wt.%, AA6082/SiC/15 wt.% and AA6082/Si₃N₄/5 wt.%, AA6082/Si₃N₄/10 wt.%, AA6082/Si₃N₄/15 wt.% composites were properly welded by friction stir welding (FSW). L₉ orthogonal array of taguchi was utilised to design the experiments and optimize the parameters. Effects of tool rotation speed, welding speed, and tool tilt angle on hardness of weld nugget zone of AA6082/SiC composites and AA6082/Si₃N₄ composites were also investigated. Homogeneous spreading of SiC particles in addition to spherodization of silicon needles and their spreading through matrix were found to be dominant factors for property improvement in stirring zone. It was revealed that the hardness of FSW joints increases because of existence and pining effect of hard Si₃N₄ particles. It was detected that increase in micro hardness of weld nugget of AA6082/SiC composite was more, as compared to increase in micro hardness of AA6082/Si₃N₄ composites. Novelty of work is that FSW parameters have been optimized to successfully weld and achieve maximum hardness of AA6082/SiC and AA6082/Si₃N₄ composites. Findings of this research work will be utilized for FSW of components made of these composites, and to achieve maximum hardness of FSW joints. Such components will be utilized in aeroplanes, satellite, cars and ships.

在AA6082中添加了碳化硅（SiC），氮化硅（Si ₃ N ₄）颗粒，以生产铝基复合材料（AMC）。确定合适的连接过程并选择合适的参数对于这些AMC的应用至关重要。AA6082的制造板/碳化硅/ 5重量％，AA6082 /碳化硅/ 10重量％，AA6082 /碳化硅/ 15重量％和AA6082 / Si的₃ Ñ ₄ /5重量％，AA6082 / Si的₃ Ñ ₄ /10重量％，AA6082 / Si的₃ ñ ₄ /15重量％的复合材料进行了适当通过摩擦搅拌焊接焊（FSW）。大号₉利用Taguchi正交阵列设计实验并优化参数。还研究了工具转速，焊接速度和工具倾斜角对AA6082 / SiC复合材料和AA6082 / Si ₃ N ₄复合材料焊接熔核区硬度的影响。发现除了硅针的球化作用以外，SiC颗粒的均匀扩散及其在基体中的扩散是搅拌区性能改善的主要因素。结果表明，由于硬质Si ₃ N ₄的存在和钉扎作用，FSW接头的硬度增加。粒子。已发现，与AA6082 / Si ₃ N ₄复合材料的显微硬度增加相比，AA6082 / SiC复合材料的熔核显微硬度增加更多。工作的新颖之处在于，已经对FSW参数进行了优化，以成功焊接并实现AA6082 / SiC和AA6082 / Si ₃ N ₄复合材料的最大硬度。这项研究工作的结果将用于这些复合材料制成的部件的FSW，并实现FSW接头的最大硬度。这些部件将用于飞机，卫星，汽车和轮船。