Copper powder compacts during sintering in the microwave field, the temperature gradient within the material is very small while the microwave sinteringrapid cooling with a rapid thermal sintering characteristics and shorter time to suppress the crystals grew heated slowly to avoid the heating process. recrystallization and growth phenomena appear. finer grain structure makes even the more traditional sintered body sintered. mechanical properties has also been a substantial increase. Microwave sintering with the conventional sintered body of copper having different microscopic pore distribution. The number of pores and the center cross section is less than that at the edge. And because the holding time is shorter. Aggregate pores grow too late. This allows fine pore rounded shape. uniform distribution. this unique microstructure help to improve the deformation ability of the sample.
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