JPS5591953A - Sintered hard alloy - Google Patents
Sintered hard alloyInfo
- Publication number
- JPS5591953A JPS5591953A JP16306678A JP16306678A JPS5591953A JP S5591953 A JPS5591953 A JP S5591953A JP 16306678 A JP16306678 A JP 16306678A JP 16306678 A JP16306678 A JP 16306678A JP S5591953 A JPS5591953 A JP S5591953A
- Authority
- JP
- Japan
- Prior art keywords
- tin
- tic
- sintered alloy
- solid soln
- hard
- 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 provide a sintered hard alloy with superior thermal fatigue properties and impact toughness by adding a specified amt. of TiN to a hard sintered alloy based on WC and TiC to form a B1 solid soln. contg. compound carbonitride.
CONSTITUTION: In manufacture of a hard sintered alloy by sintering WC powder and TiC powder with Co as a binder, TiN is added in a TiN to TiC ratio of 0.10W 0.60. At this time, the ratio of (TiC+TiN)/(TiC+WC+TiN) is adjusted to 0.15W 0.40, and Co is used in an amt. of 7W20vol%. TiN induces a dissolution reaction with WC and TiC in sintering, and they are unified as B1 type solid soln. (TiW)(CN) of 1μ or less average grain size. The resulting hard sintered alloy with N-contg. B1 type solid soln. allowed to appear in its structure exhibits superior strength to chipping in a cutting use which accompanies thermal fatigue and impact fatigue.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16306678A JPS5919176B2 (en) | 1978-12-29 | 1978-12-29 | cemented carbide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16306678A JPS5919176B2 (en) | 1978-12-29 | 1978-12-29 | cemented carbide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5591953A true JPS5591953A (en) | 1980-07-11 |
JPS5919176B2 JPS5919176B2 (en) | 1984-05-02 |
Family
ID=15766524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16306678A Expired JPS5919176B2 (en) | 1978-12-29 | 1978-12-29 | cemented carbide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5919176B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4610931A (en) * | 1981-03-27 | 1986-09-09 | Kennametal Inc. | Preferentially binder enriched cemented carbide bodies and method of manufacture |
JPH036349A (en) * | 1989-06-02 | 1991-01-11 | Hitachi Tool Eng Ltd | Sintered hard alloy and its manufacture |
USRE34180E (en) * | 1981-03-27 | 1993-02-16 | Kennametal Inc. | Preferentially binder enriched cemented carbide bodies and method of manufacture |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0322012U (en) * | 1989-07-15 | 1991-03-06 |
-
1978
- 1978-12-29 JP JP16306678A patent/JPS5919176B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4610931A (en) * | 1981-03-27 | 1986-09-09 | Kennametal Inc. | Preferentially binder enriched cemented carbide bodies and method of manufacture |
USRE34180E (en) * | 1981-03-27 | 1993-02-16 | Kennametal Inc. | Preferentially binder enriched cemented carbide bodies and method of manufacture |
JPH036349A (en) * | 1989-06-02 | 1991-01-11 | Hitachi Tool Eng Ltd | Sintered hard alloy and its manufacture |
JPH0711049B2 (en) * | 1989-06-02 | 1995-02-08 | 日立ツール株式会社 | Cemented carbide and manufacturing method |
Also Published As
Publication number | Publication date |
---|---|
JPS5919176B2 (en) | 1984-05-02 |
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