【発明の名称】切削工具用高圧相窒化ホウ素焼結体及びその製造方法

Title:

【発明の名称】切削工具用高圧相窒化ホウ素焼結体及びその製造方法

Document Type and Number:

Japanese Patent JPH0713279

Kind Code:

B2

Abstract:

A sintered article is produced by mixing an intermetallic compound (binding phase) composed of at least one member selected from among carbides, nitrides, and borides of the elements of Groups 4a, 5a, and 6a in the Periodic Table of Elements and at least one element selected from among Al, Ni, Si, Co, Zr, and W with wBN, then mixing the resultant mixture with cBN and firing the produced mixture under a pressure exceeding 20 Kb at a temperature exceeding 1,000 DEG C. As a material for cutting tools, the sintered article is superior in quality to the conventional sintered article.

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Inventors:

Yutaka Kuroyama
Masami Maeno

Application Number:

JP333690A

Publication Date:

February 15, 1995

Filing Date:

January 12, 1990

Export Citation:

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Assignee:

Nippon Oil & Fat Co., Ltd.

International Classes:

B23B27/14; C22C1/05; C22C26/00; C22C29/02; C22C29/14; C22C29/16; (IPC1-7): C22C29/16; B23B27/14; C22C1/05

Attorney, Agent or Firm:

Fukuda Takemichi (1 person outside)

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