- 专利标题： A DRILL BIT, A METHOD FOR MAKING A BODY OF A DRILL BIT, A METAL MATRIX COMPOSITE, AND A METHOD FOR MAKING A METAL MATRIX COMPOSITE
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申请号： US15555942申请日： 2017-05-01
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公开(公告)号： US20190071931A1公开(公告)日： 2019-03-07
- 发明人: Zhongming WANG , Andrew BELL , Robert HORSWELL , Ramamurthy VISWANADHAM
- 申请人： Diapac LLC
- 国际申请： PCT/US17/30473 WO 20170501
- 主分类号： E21B10/54
- IPC分类号： E21B10/54 ; C22C29/08 ; B22D19/14 ; B22D19/06
摘要：
A drill bit comprising a body that includes a metal matrix composite (MMC). The MMC comprises a mixture comprising a plurality of particles and another plurality of particles, wherein each of the other plurality of particles is softer than each of the plurality of particles. The MMC comprises a metallic binding material that is metallurgically bonded to each of the plurality of particles and the other plurality of particles.
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