Qinglong DUAN

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Hunan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for eliminating hollow defect in atomized alloy powder
- Patent number 10,486,233
- Issue date Nov 26, 2019
- Central South University
- Zuming Liu
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR ELIMINATING HOLLOW DEFECT IN ATOMIZED ALLOY POWDER
- Publication number 20180056398
- Publication date Mar 1, 2018
- CENTRAL SOUTH UNIVERSITY
- Zuming LIU
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
METHOD FOR REMOVING PRIOR PARTICLE BOUNDARY AND HOLE DEFECT OF POWD...
- Publication number 20170216919
- Publication date Aug 3, 2017
- CENTRAL SOUTH UNIVERSITY
- Zuming LIU
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...