Nickel-containing strengthened sintered ferritic stainless steels

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United States of America Patent

PATENT NO 5976216
SERIAL NO

08805262

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Abstract

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Powder metallurgically produced ferritic stainless steel articles are strengthened by alloying the ferritic material with a small amount of nickel (up to 3.0% by weight). Alloying is carried out by either admixing nickel powder to the ferritic alloy powder or by pre-alloying the stainless steel powder with nickel. Conventional sintering procedures, either in a hydrogen atmosphere or in a partial vacuum, are applicable. High strength stainless steel parts made in this manner are suitable for demanding applications, including automotive exhaust flanges and HEGO bosses.

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Patent Owner(s)

Patent OwnerAddress
SCM METAL PRODUCTS2601 WECK DRIVE RESEARCH TRIANGLE PARK NC 27709

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Klar, Erhard Raleigh, NC 20 208
Samal, Prasan K Raleigh, NC 5 68

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  • 6 Citation Count
  • C22C Class
  • 7.73 % this patent is cited more than
  • 26 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges171364411632101 - 1011 - 2021 - 3031 - 4061 - 7071 - 8091 - 1000102030405060708090100110120130140150

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