Invention Grant
- Patent Title: Hard compact and method for making the same
- Patent Title (中): 硬紧凑和制作相同的方法
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Application No.: US11715608Application Date: 2007-03-08
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Publication No.: US08821603B2Publication Date: 2014-09-02
- Inventor: Jonathan W. Bitler , Sara Kiani
- Applicant: Jonathan W. Bitler , Sara Kiani
- Applicant Address: US PA Latrobe
- Assignee: Kennametal Inc.
- Current Assignee: Kennametal Inc.
- Current Assignee Address: US PA Latrobe
- Agent Matthew W. Smith, Esq.
- Main IPC: B24D3/00
- IPC: B24D3/00 ; B24D11/00 ; B24D18/00 ; C09K3/14 ; B24D3/02 ; C09C1/68 ; B22F3/15 ; C22C26/00 ; B22F7/06 ; B22F5/00

Abstract:
A hard composite member produced by a rapid omni-directional compaction process that includes the steps of: providing a pre-compaction composite comprising a substrate, a superhard member and a layer of braze between the substrate and the superhard member; placing the pre-compaction composite in a pressure transmitting material contained within a shell to form an isostatic die assembly; heating the isostatic die assembly to a temperature at which the pressure-transmitting material is capable of fluidic flow and wherein the temperature ranges between greater than the melting point of the braze layer and less than or equal to about 1200° C.; and in a forging press, compressing the isostatic die assembly to consolidate the pre-compaction composite under omnidirectional pressure at a pressure equal to or greater than about 60,000 psi into a dense, consolidated body.
Public/Granted literature
- US20080230279A1 Hard compact and method for making the same Public/Granted day:2008-09-25
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