Advanced Cutting Tool Material by Hot-Pressing Ceramic Coated Carbide Powders

Journal of Inorganic Materials

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Advanced Cutting Tool Material by Hot-Pressing Ceramic Coated Carbide Powders

CHEN Yuan-Chun¹; HUANG Chuan-Zhen¹; AI Xing¹; WANG Ban-You ²

1.Department of Mechanical Engineering; Shandong University of Technology; Jinan 250061; China; 2.Department of Mechanical Engineering; Weifang Academic School; Weifang 261014; China

Received:1999-10-22 Revised:1999-12-09 Published:2000-10-20 Online:2000-10-20

Abstract

Abstract: Carbide powders were coated with very thin alumina films by the sol-gel process. The coated powders were then
hot-pressed as a novel cutting tool material. This material possessed relatively high hardness, which led to similar wear resistant ability with ceramics. At
the same time, its bending strength and toughness were higher than that of the ceramic cutting tool materials with similar composition. As a result, these tools show
good performance in cutting high-hardness materials. SEM and TEM photographs of coated powders and fracture surface were presented as an aid to illustrate the
strengthen mechanism.

Key words: coated powder, sol-gel process, coated cutting tools, cemented carbides

CLC Number:

TB383

CHEN Yuan-Chun,HUANG Chuan-Zhen,AI Xing,WANG Ban-You. Advanced Cutting Tool Material by Hot-Pressing Ceramic Coated Carbide Powders[J]. Journal of Inorganic Materials.

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Advanced Cutting Tool Material by Hot-Pressing Ceramic Coated Carbide Powders

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