Langfeng Microwave sintering research status

Study of nanometer materials is the research focus in the material world, while the preparation of nanometer powder is not easy, but in comparison, it's harder to block material preparation of nanometer grain ,which is one of the biggest problems plagued researchers.And microwave sintering technology with low sintering temperature, short time and other features provided a possibility for the successful preparation of bulk material with nanometer grains .

1. The microwave sintering of nanometer metal ceramic research

Ceramic sintering process inevitably accompanied by grain growth, so how to control the nanoparticles grew up in the sintering process, to keep its original features is nano block a problem of ceramic materials preparation, and microwave sintering technology overcome it well. JinYong was studied by microwave sintering technology of nano metal sintering process and properties of ceramic materials. The results show that the microwave sintering Al2O3 - TiC - Mo - Ni nano metal ceramic in 1 500 ℃ heat preservation 10 min, could reach 99. 9% of the relative density, the lower the sintering temperature, sintering time greatly shortened, and the grain size of 35 mm respectively before and after sintering and 55 mm, change is very small. Grain size change is very small, before and after microwave sintered metal ceramic sintered body is compact and uniform, for the preparation of nanometer materials provides an important technological means.

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