【摘要】 概要地介绍了国外焊接材料（ 主要是药芯焊丝） 的发展动态，对大力发展高效焊材、改进ＭＡＧ 焊材的工艺性能及力学性能方面的工作也作了介绍，并就如何加快国产药芯焊丝产业的发展提出了建议。更多还原

【Abstract】 The development of welding materials(especially the flux cored wire) abroad is introduced synoptically in this paper at first. Then, the work on the development of high efficiency welding materials, and the improvement of the operational characteristic and mechanic performance of MAG welding wire were reported. Finally, some suggestions were made about how to propel the development of the flux cored wire industry in China.更多还原