Friction stir welding and processing enabled the creation of stronger joints, novel ultrafine-
grained metals, new metal matrix composites, and multifunctional surfaces at user-defined …

Mechanical joining technologies are increasingly used in multi-material lightweight
constructions and offer opportunities to create versatile joining processes due to their low …

Achieving high-strength joints with flat surfaces is of significant importance for reducing wind
resistance and enhancing aesthetic appeal. In this study, a novel flat-die friction self-piercing …

Zn content is one of the most concerned factors in the development of next generation ultra-
strength Al-Zn-Mg-Cu alloys owing to its essential role in precipitation strengthening. In the …

Flow drill screw (FDS) technique combines the friction drilling and thread forming processes
into one single operation, and has been widely adopted in the automotive industry. Because …

Aluminum alloy sheets with higher isotropy and finer grains possess larger post-formability
and better mechanical properties. However, it is extremely difficult to simultaneously realize …

The temperature and material flow gradients along the thick section of the weld seriously
affect the welding efficiency of friction stir welding in medium-thick plates. Here, the effects of …

By combining experimental SPR tests with a finite element (FE) model, the influences of top
sheet thickness (T t), bottom sheet thickness (T b) and rivet length (L) on the joint formation …

In this research, an improved friction self-piercing riveting (F-SPR) process with internally
threaded rivet and flat die was proposed to achieve hybrid riveted/solid-state bonded …

To promote the application of the three-layer steel/aluminum hybrid sheet in the lightweight
vehicle body, the multi-layer hole-drilled self-piercing riveting (MH-SPR) process is …