【摘要】 介绍了我国阀门密封面堆焊合金在各个时期的发展过程,对近年来各种堆焊合金作以分类说明.分析了不同种类堆焊合金的特点、应用场合以及目前我国在堆焊合金生产中存在的问题,并对我国未来堆焊材料的发展情况做了展望.更多还原

【Abstract】 The development of surfacing weldin g alloy of valve seal in different periods has been introduced,and different characteristics and appl ication,as kinds of surfacing welding allov o f well as the questions existing in th e production of the surfacing welding alloy have been analyzed.Moreover,the development of surfacing weldin g material in the future has been prosp ected.更多还原