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粉末锻造作为金属制品的生产技术直到60年代后半期才再次出现。现在,在美国已发展成功粉末冶金和热锻造的复合技术。它是把烧结零件作为热锻用的坯料而使用的加工方法,因而兼有粉末冶金和热锻造两种加
The production of powder forging as a metal product did not reappear until the second half of the 1960s. Now, in the United States has successfully developed powder metallurgy and hot forging composite technology. It is the sintered parts as a hot forging blank used in processing methods, which both powder metallurgy and hot forging two plus