Cubic boron nitride-containing ceramic matrix composites for cutting tools

Jianfeng Zhang, Rong Tu, Takashi Goto

研究成果: Chapter

抄録

Polycrystalline cubic boron nitride (cBN) and cBN-containing composites (CBCCs) are consolidated by the high pressure and high temperature technique, but only small specimens can be made at a high cost. Hot isostatic pressing and spark plasma sintering have been applied to densify CBCCs under various sintering temperatures and moderate pressures. A second phase can decrease the shrinkage temperature and increase the relative density. Mechanical properties are improved by cBN addition. The phase transformation of cBN to hexagonal boron nitride depends on the second phases, sintering aids and sintering parameters. A silica-containing phase can suppress the cBN phase transformation. Future research includes optimization of processing windows, evaluating other properties for applications as cutting tools and characterization of the cBN phase transformation.

本文言語English
ホスト出版物のタイトルAdvances in Ceramic Matrix Composites
ホスト出版物のサブタイトルSecond Edition
出版社Elsevier Inc.
ページ655-671
ページ数17
ISBN(電子版)9780081021675
ISBN(印刷版)9780081021668
DOI
出版ステータスPublished - 2014 1 1

ASJC Scopus subject areas

  • 工学(全般)
  • 材料科学(全般)

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