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近年交通运输及工业生产大量排放的二氧化碳造成的全球变暖现象,已成为人们日益关心的重大问题,为减少汽车尾气排放量,进行混合动力及电动汽车研发同时,通过减轻车体自身重量提高燃料利用率也是行之有效的方法之一。随着汽车撞击安全法规要求的不断提高,与车体轻量化两者兼顾,已经成为崭新的课题,在这样的背景下,汽车生产厂商开始大量使用高强度钢板,特别是在车体框架使用拉伸强度980MPa级以上的超高强度钢板不断增加,另外,在压力成形同时进行热处理(淬火)的模压淬火技术,加工后使用高频淬火或激光淬火来提高局部强度进行的局部淬火技术,用来提高材质的强度。
The phenomenon of global warming caused by the massive emissions of carbon dioxide from transportation and industrial production in recent years has become a major issue that people are increasingly concerned about. In order to reduce the emission of vehicles and to develop hybrid vehicles and electric vehicles, the fuel economy should be enhanced by reducing the weight of the vehicle itself Utilization is also one of the effective ways. With the continuous improvement of automobile impact safety regulations and the balance between lightweight and bodywork, it has become a brand new topic. Under this background, automobile manufacturers began to make extensive use of high strength steel plates, especially in the use of body frame Increasing the strength of 980MPa grade ultra-high strength steel continues to increase, in addition to pressure forming at the same time heat treatment (quenching) of the mold quenching technology, after the use of high-frequency quenching or laser hardening to enhance the local strength of the local quenching technology used to Improve the strength of the material.