聚晶金刚石的特点、应用、分类及聚结机理
首发时间:2013-01-22
摘要:本文主要介绍了聚晶金刚石的特点及应用、烧结型聚晶金刚石的分类、烧结型聚晶金刚石的聚结机理。聚晶金刚石除了具有金刚石的一些性能外,还具有一些其它的优异性能,如:可以直接合成或加工成特定规整形状;可以设计或预测新产品的性能,赋予产品必要的特点等。PCD目前主要用于切削工具、石油钻探工具、拉丝模、矿山开采和耐磨元件等领域。根据PCD中晶粒结合情况可把PCD分为自身烧结和中介结合烧结两种。烧结型PCD可分为无添加剂和有添加剂两种。
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Characteristics, Application, Classification and Coalescence Mechanism of Polycrystalline diamond
Abstract:Characteristics and application, classification, and coalescence mechanism of sintered polycrystalline diamond are introduced in the paper. Polycrystalline diamond not only has some performance of diamond, but also has some other excellent properties, for example, it can be directly synthesized or processed into specific regular shape, and it can design or predict performance of new product, give necessary characteristics of product. PCD is mainly used in the fields including cutting tools, drilling tools, wire drawing die, mining and wear resistant components. According to the PCD grain binding, it can be divided into self-sintering and intermediary conbined sintering. Sintering PCD can be divided into with additive and additive-free.
Keywords: polycrystalline diamond (PCD) compact onion-like carbon (OLC) additive-free synthesis
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