JPS5696050A - High hardness sintered body for tool and its manufacture - Google Patents
High hardness sintered body for tool and its manufactureInfo
- Publication number
- JPS5696050A JPS5696050A JP17151179A JP17151179A JPS5696050A JP S5696050 A JPS5696050 A JP S5696050A JP 17151179 A JP17151179 A JP 17151179A JP 17151179 A JP17151179 A JP 17151179A JP S5696050 A JPS5696050 A JP S5696050A
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- binder
- high hardness
- boron nitride
- type boron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To obtain a high hardness sintered body for a tool with enhanced toughness by adding a specified amount of Al, Cu, Fe, etc. to cubic structure type boron nitride of a prescribed grain size.
CONSTITUTION: This sintered body contains 30W80vol% cubic type boron nitride of ≤10μ average grain size, and the remaining binding phase consists of one or more kinds of compounds or the mutual solid soln. compound selected from the carbides, nitrides and carbonitrides of the IVa, Va and VIa group transition metals such as Ti, Zr and Hf in the periodic table and an Al compound. The Al content in the binder is about 5W30wt%, most of the binding particles of the binder are ≤1μ, and the binder further contains Cu and an Fe group metal by ≤about 20wt%. When the carbide, nitride and carbonitride of a IVa, Va or VIa group metal in the periodic table are represented by MCx, MNx and M(C,N)x, respectively, (x) is ≤0.95, and they form intermetallic compounds with Al. Cubic type boron nitride and the binder are sintered at about 900°C under≥about 20kb pressure to obtain a high hardness sintered body capable of being joined to hard metal.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151179A JPS5696050A (en) | 1979-12-29 | 1979-12-29 | High hardness sintered body for tool and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151179A JPS5696050A (en) | 1979-12-29 | 1979-12-29 | High hardness sintered body for tool and its manufacture |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17067986A Division JPS62247008A (en) | 1986-07-18 | 1986-07-18 | High-hardness sintered body for tool and its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5696050A true JPS5696050A (en) | 1981-08-03 |
| JPS62983B2 JPS62983B2 (en) | 1987-01-10 |
Family
ID=15924465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17151179A Granted JPS5696050A (en) | 1979-12-29 | 1979-12-29 | High hardness sintered body for tool and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5696050A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149448A (en) * | 1981-03-09 | 1982-09-16 | Mitsubishi Metal Corp | Cubic boron nitride-based superhigh-pressure sintered material useful as machining tool or wear-resistant tool |
| EP0430100A2 (en) * | 1989-11-27 | 1991-06-05 | Sumitomo Electric Industries, Ltd. | Hard sintered compact for tools |
| JPH06185903A (en) * | 1992-09-08 | 1994-07-08 | Tadao Soeda | Screw depth measuring device |
-
1979
- 1979-12-29 JP JP17151179A patent/JPS5696050A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149448A (en) * | 1981-03-09 | 1982-09-16 | Mitsubishi Metal Corp | Cubic boron nitride-based superhigh-pressure sintered material useful as machining tool or wear-resistant tool |
| JPS601389B2 (en) * | 1981-03-09 | 1985-01-14 | 三菱マテリアル株式会社 | Cubic boron nitride-based ultra-high pressure sintered material for cutting tools and wear-resistant tools |
| EP0430100A2 (en) * | 1989-11-27 | 1991-06-05 | Sumitomo Electric Industries, Ltd. | Hard sintered compact for tools |
| JPH06185903A (en) * | 1992-09-08 | 1994-07-08 | Tadao Soeda | Screw depth measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62983B2 (en) | 1987-01-10 |
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