JPS5696051A - High hardness sintered body for tool and its manufacture - Google Patents
High hardness sintered body for tool and its manufactureInfo
- Publication number
- JPS5696051A JPS5696051A JP17151279A JP17151279A JPS5696051A JP S5696051 A JPS5696051 A JP S5696051A JP 17151279 A JP17151279 A JP 17151279A JP 17151279 A JP17151279 A JP 17151279A JP S5696051 A JPS5696051 A JP S5696051A
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- contg
- nitride
- carbonitride
- carbide
- 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 contg. >80vol% high pressure phase type boron nitride by using a binder contg. the carbide, nitride or carbonitride of a IVa group transition metal in the periodic table and an Al-contg. compound as principal components as well as Cu and an Fe group metallic element and manufacturing a sintered body under suitable conditions.
CONSTITUTION: High pressure phase type boron nitride powder of ≤10μ average grain size is mixed with a binder consisting of powder of the carbide, nitride or carbonitride of IVa group Ti, Zr or Hf in the periodic table and an Al compound contg. ≤5% Al, and this mixture is die pressed and sintered at ≥900°C under ≥20kb pressure. At the same time, a Cu and an Fe group metal, its alloy or its compound are allowed to penetrate into the sintered body from the outside. When the carbide, nitride and carbonitride of Ti, Zr or Hf are represented by MCx, MNx and M(C,N)x, respectively, (x) is ≤0.95. Thus, a high hardness sintered body for a tool is obtd. The high pressure phase type boron nitride content of the body ranges from over 80vol% to 95vol%.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151279A JPS5696051A (en) | 1979-12-29 | 1979-12-29 | High hardness sintered body for tool and its manufacture |
| GB8010616A GB2048956B (en) | 1979-03-29 | 1980-03-28 | Sintered compact for a machining tool |
| FR8006942A FR2455632B1 (en) | 1979-03-29 | 1980-03-28 | SINTERED BLOCK, ESPECIALLY FOR MACHINING TOOLS |
| SE8002425A SE451730B (en) | 1979-03-29 | 1980-03-28 | SINTRAD PRESS BODY FOR WORKING TOOLS |
| DE3012199A DE3012199C2 (en) | 1979-03-29 | 1980-03-28 | Boron nitride sintered body having a matrix of MC? X?, MN? X? and / or M (CN)? x? and Al and its uses |
| US06/136,459 US4343651A (en) | 1979-03-29 | 1980-03-31 | Sintered compact for use in a tool |
| SE8501951A SE464871B (en) | 1979-03-29 | 1985-04-22 | COMPOSED PRESSURE FOR PROCESSING TOOLS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151279A JPS5696051A (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 |
|---|---|---|---|
| JP17068086A Division JPS62260005A (en) | 1986-07-18 | 1986-07-18 | High-hardness sintered body for tool and its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5696051A true JPS5696051A (en) | 1981-08-03 |
| JPS62984B2 JPS62984B2 (en) | 1987-01-10 |
Family
ID=15924485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17151279A Granted JPS5696051A (en) | 1979-03-29 | 1979-12-29 | High hardness sintered body for tool and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5696051A (en) |
-
1979
- 1979-12-29 JP JP17151279A patent/JPS5696051A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62984B2 (en) | 1987-01-10 |
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