Microwave Ball Milling Nano Tungsten Powder
Tungsten powder is the main raw material for the processing of powder metallurgy tungsten products and tungsten alloys. With the rapid development of the microelectronics industry, energy, aviation, machinery industry and other fields, the demand of ultrafine tungsten powder is increasing day by day. At present, the main process methods of nano tungsten powder include hydrogen reduction, sol-gel, high energy ball milling, freeze-drying, molten salt electrolysis, self propagating high temperature reduction and spray drying fluidized bed. In order to solve the problem of preparing ultrafine tungsten powder, scholars have provided a processing technology for nanometer tungsten powder. (1) Ceramic ball mill can be put into a microwave oven by placing a metal powder, a 10-20 micron blue tungsten or yellow tungsten powder, a ceramic ball with a particle size of 0.5 millimeters and the ratio of deionized water to a ceramic ball mill in a proportion of 1:5. (2) The motor and microwave oven tha...