JPS5756309A - Carbon substrate for coating silicon carbide - Google Patents
Carbon substrate for coating silicon carbideInfo
- Publication number
- JPS5756309A JPS5756309A JP55129938A JP12993880A JPS5756309A JP S5756309 A JPS5756309 A JP S5756309A JP 55129938 A JP55129938 A JP 55129938A JP 12993880 A JP12993880 A JP 12993880A JP S5756309 A JPS5756309 A JP S5756309A
- Authority
- JP
- Japan
- Prior art keywords
- silicon carbide
- layer
- carbon substrate
- carbon
- substrate
- 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.)
- Pending
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
PURPOSE: To obtain improved spalling resistance and to prevent the occurrence of cracks and peeling by specifying the porosity and pore size of a carbon substrate for coating silicon carbide.
CONSTITUTION: A carbon substrate having 5W30% porosity and contg. no pore having ≥100μm size and 0.04W0.1cc/g pores having 0.1W10μm size measured with a mercury porosimeter is used. When this substrate is coated with silicon carbide, a structure composed of an outer surface layer 1 of silicon carbide alone, an intermediate layer 2 of a mixture of silicon carbide with carbon, and a carbon substrate layer 3 is obtd., and by using said carbon substrate as the layer 3, the layer 2 is formed in a uniform thickness, and the layer 1 is also formed in a uniform thickness almost in parallel with the layer 2.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55129938A JPS5756309A (en) | 1980-09-17 | 1980-09-17 | Carbon substrate for coating silicon carbide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55129938A JPS5756309A (en) | 1980-09-17 | 1980-09-17 | Carbon substrate for coating silicon carbide |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5756309A true JPS5756309A (en) | 1982-04-03 |
Family
ID=15022139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55129938A Pending JPS5756309A (en) | 1980-09-17 | 1980-09-17 | Carbon substrate for coating silicon carbide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5756309A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5623386A (en) * | 1994-10-31 | 1997-04-22 | Sullivan; Thomas M. | Magnetic recording component |
US5850329A (en) * | 1994-10-31 | 1998-12-15 | Sullivan; Thomas Milton | Magnetic recording device components |
US6077619A (en) * | 1994-10-31 | 2000-06-20 | Sullivan; Thomas M. | Polycrystalline silicon carbide ceramic wafer and substrate |
US6309766B1 (en) | 1994-10-31 | 2001-10-30 | Thomas M. Sullivan | Polycrystalline silicon carbide ceramic wafer and substrate |
-
1980
- 1980-09-17 JP JP55129938A patent/JPS5756309A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5623386A (en) * | 1994-10-31 | 1997-04-22 | Sullivan; Thomas M. | Magnetic recording component |
US5850329A (en) * | 1994-10-31 | 1998-12-15 | Sullivan; Thomas Milton | Magnetic recording device components |
US6077619A (en) * | 1994-10-31 | 2000-06-20 | Sullivan; Thomas M. | Polycrystalline silicon carbide ceramic wafer and substrate |
US6309766B1 (en) | 1994-10-31 | 2001-10-30 | Thomas M. Sullivan | Polycrystalline silicon carbide ceramic wafer and substrate |
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