FRICTION STIR WELDING IN AUTOMOTIVE INDUSTRY

The development of new energy vehicles in the world started with hybrid power, and then gradually entered the era of battery-based vehicles. Pure electric and plug-in hybrids have become the main policy support for new energy. Since 2013, new energy vehicles have developed rapidly with the promotion of support policies from various countries. In 2021, the global sales of new energy passenger vehicles including pure electric, plug-in hybrid, and fuel cell vehicles will be 6.23 million, a year-on-year increase of 118.6%. China has put forward the strategy of "energy-saving and new energy vehicles", and pays great attention to the research and development and industrialization of new energy vehicles. Under the premise of advocating global environmental protection today, the new energy vehicle industry will definitely become the orientation and goal of the future development of the automotive industry.