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1. 发明公开

KR1020120058430A 나노 사이즈의 결정입 성장 억제제를 갖는 초미세 다결정질 다이아몬드의 제조방법 审中-实审
标题翻译：用纳米尺寸生长抑制剂制造超声波多晶金刚石
公开(公告)号：KR1020120058430A
公开(公告)日：2012-06-07
申请号：KR1020110125815
申请日：2011-11-29
申请人： 엘리먼트 씩스 리미티드
发明人： 바오,야화 , 야오,시안 , 호만,스캇
IPC分类号： C01B31/06 , C01G23/04 , B22F3/00
CPC分类号： C01B32/25 , B22F3/10 , B22F2003/1032 , C01G23/04 , C01P2004/61 , C01P2006/90
摘要： PURPOSE: A method for manufacturing ultrafine polycrystalline diamond based on a crystal grain growth inhibitor of nano sizes is provided to improve the intensity and the abrasion characteristic of the polycrystalline diamond. CONSTITUTION: The mixture of diamond particles is prepared, the average particle size of the diamond particles is about 1um or less(101). A plurality of the particles containing titanium of nano-sizes is dispersed in the mixture(102). The particles containing the titanium function as a crystal grain growth inhibitor. The particles and the diamond particles are sintered under high pressures and temperatures(103). Sintered polycrystalline texture of diamond crystal grain is obtained. When the particles containing the titanium are dispersed, a plurality of titanium oxide particles is deposited on the surface of diamond particles. The titanium oxide particles are converted into crystal grain growth inhibitor containing titanium.
摘要翻译：目的：提供一种基于纳米尺寸的晶粒生长抑制剂制造超细多晶金刚石的方法，以改善多晶金刚石的强度和磨损特性。构成：制备金刚石颗粒的混合物，金刚石颗粒的平均粒度为约1um或更小（101）。多个含有纳米尺寸的钛的颗粒分散在混合物（102）中。含有钛的颗粒作为晶粒生长抑制剂起作用。颗粒和金刚石颗粒在高压和高温下烧结（103）。获得金刚石晶粒的烧结多晶结构。当含有钛的颗粒分散时，在金刚石颗粒的表面上沉积多个氧化钛颗粒。氧化钛粒子被转化成含有钛的晶粒生长抑制剂。

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