Preparation and Properties of Low-cost α-Sialon Ceramic Synthesized from Boron-rich Slag-based Mixture

被引：3
|
作者：
Wu Jun-bin [1 ]
Xue Xiang-xin [1 ]
Jiang Tao [1 ]
机构：
[1] Northeastern Univ, Sch Met & Mat, Shenyang, Peoples R China
来源：
ENVIRONMENT MATERIALS AND ENVIRONMENT MANAGEMENT PTS 1-3 | 2010年 / 113-116卷
关键词：
alpha-sialon; boron-rich slag; CRN; Properties;
D O I：
10.4028/www.scientific.net/AMR.113-116.1653
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
With boron-rich slag, silica fume, bauxite chalmette and carbon black as starting materials, alpha-sialon powder was prepared by carbothermal reduction nitridation(CRN). The mechanical properties of hot-pressed sintered slag a-sialon ceramic, which was started from slag alpha-sialon powder, were measured. The hardness, toughness and bend strength of hot-pressed slag alpha-sialon ceramic reached 17GPa, 3.74MPa.m(1/2) and 333.5MPa, respectively. These properties were close to that of chemical a-sialon ceramics prepared by expensive chemical agents as starting materials.
引用
收藏
页码：1653 / 1656
页数：4
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