Austenitic stainless steel sheet for fuel cell separators and production method therefor
Number of patents in Portfolio can not be more than 2000
United States of America
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Aug 27, 2024
Grant Date -
N/A
app pub date -
Jan 7, 2020
filing date -
Jan 7, 2020
priority date (Note) -
In Force
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Abstract
An austenitic stainless steel sheet for fuel cell separators comprises a textured structure at a surface of the stainless steel sheet, the textured structure having recessed parts and projected parts, an average height of the projected parts being 30 nm or more and 300 nm or less, and an average interval between the projected parts being 20 nm or more and 350 nm or less, wherein a ratio [Cr]/[Fe] of an atomic concentration of Cr existing in chemical form other than metal to an atomic concentration of Fe existing in chemical form other than metal at the surface of the stainless steel sheet is 1.0 or more.
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Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- JFE STEEL CORPORATION
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Ishikawa, Shin | Tokyo, JP | 80 | 311 |
# of filed Patents : 80 Total Citations : 311 | |||
Yano, Takayoshi | Tokyo, JP | 31 | 74 |
# of filed Patents : 31 Total Citations : 74 |
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