Invention Grant
US08997897B2 Impregnated diamond structure, method of making same, and applications for use of an impregnated diamond structure 有权
浸渍金刚石结构,其制造方法以及使用浸渍金刚石结构的应用

Impregnated diamond structure, method of making same, and applications for use of an impregnated diamond structure
Abstract:
A layer of matrix powder is deposited within a mold opening. A layer of super-abrasive particles is then deposited over the matrix powder layer. The super-abrasive particles have a non-random distribution, such as being positioned at locations set by a regular and repeating distribution pattern. A layer of matrix powder is then deposited over the super-abrasive particles. The particle and matrix powder layer deposition process steps are repeated to produce a cell having alternating layers of matrix powder and non-randomly distributed super-abrasive particles. The cell is then fused, for example using an infiltration, hot isostatic pressing or sintering process, to produce an impregnated structure. A working surface of the impregnated structure that is oriented non-parallel (and, in particular, perpendicular) to the super-abrasive particle layers is used as an abrading surface for a tool.
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