【摘要】 文章综述了喷雾转化法纳米硬质合金制备工艺。阐述了适用于纳米硬质合金烧结的等离子活化烧结和微波烧结 ;介绍了晶粒长大抑制剂的种类、数量、加入方法对晶粒长大的影响 .更多还原

【Abstract】 The technological methods for preparation of Nano-sized hard alloys by spraying-conversion process was reviewed in this paper.The plasma activated Sintering and microwave sintering technologies suitable to sintering of hard alloys were elaborated.The influences of the kind,dosage and adding mann er of depressors on the growth of crystal grains have been discussed.更多还原