Title:
NEW METHOD FOR GREEN RECOVERY AND REPROCESSING OF METAL TO PRODUCE SPHERICAL COMPOSITE POWDER
Document Type and Number:
WIPO Patent Application WO/2021/088218
Kind Code:
A1
Abstract:
Disclosed is a new method for the green recovery and reprocessing of a metal to produce a spherical composite powder. The steps of the method are as follows: pre-treating a metal before processing; processing the pre-treated metal using an arc micro-explosion technique to obtain a primary microfine spherical powder; and post-treating the primary microfine spherical powder to obtain a composite powder, wherein the metal is a hard alloy or a refractory metal.
Inventors:
XU HUI (CN)
YAO QING (CN)
YAO QING (CN)
Application Number:
PCT/CN2019/126473
Publication Date:
May 14, 2021
Filing Date:
December 19, 2019
Export Citation:
Assignee:
SHENZHEN AEROSPACE SCIENCE ADVANCED MAT CO LTD (CN)
International Classes:
B22F9/14; B22F1/00; C22B1/00; C22B7/00
Foreign References:
| CN109226778A | 2019-01-18 | |||
| CN105345019A | 2016-02-24 | |||
| CN105234425A | 2016-01-13 | |||
| CN102059343A | 2011-05-18 | |||
| KR20150002349A | 2015-01-07 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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