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Title:
METAL MATRIX COMPOSITIONS AND METHODS FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/096748
Kind Code:
A1
Abstract:
An additive manufacturing method for making a metal matrix composite component includes melting a powdered mixture with an electron beam. The powdered mixture comprises powdered tungsten carbide in an amount of 45wt％to 72wt％of the powdered mixture and a powdered binder in an amount of 28 wt％to 55 wt％of the powdered mixture. The powdered binder comprises boron, silicon, and nickel. A metal matrix compositions and an earth boring drill bit comprising a bit body made of such metal matrix compositions are also disclosed.

Inventors:
XU YUEHUA (CN)
YUAN YUAN (CN)
LIU BIN (CN)
Application Number:
PCT/CN2016/080123
Publication Date:
June 15, 2017
Filing Date:
April 25, 2016
Export Citation:
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Assignee:
SEED TECH CORP LTD (CN)
International Classes:
B22F3/105; B22F7/00
Domestic Patent References:
WO2015030879A22015-03-05
Foreign References:
CN105458256A2016-04-06
US20100276208A12010-11-04
US20040060742A12004-04-01
CN101198762A2008-06-11
CN105089508A2015-11-25
US20150060042A12015-03-05
Attorney, Agent or Firm:
CHINA SINDA INTELLECTUAL PROPERTY LTD. (CN)
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