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특허 상세정보

Loose sintering of spherical ferritic-austenitic stainless steel powder and porous body

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B22F-003/10    C22C-038/44   
미국특허분류(USC) 428/566 ; 419/2 ; 419/23 ; 419/39
출원번호 US-0346869 (1982-02-08)
우선권정보 SE-0000842 (1981-02-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 1
초록

A porous sintered body, preferably a filter or filter material, with good corrosion resistance and with a pore volume which can be predicted within specified comparatively narrow limits, is made by loose sintering of a preferably gas-atomized spherical powder a ferritic-austenitic stainless steel.

대표
청구항

A porous sintered body, with good resistance to corrosion and with a pore volume which can be predetermined within given narrow limits, produced by loose sintering of a spherical powder of stainless steel at a sintering temperature between 1200°C. and 1600°C., wherein said stainless steel has a ferritic-austenitic structure at room temperature and a ferritic structure at the sintering temperature. The sintered body as claimed in claim 1, wherein said sintered body is a filter material.

이 특허를 인용한 특허 피인용횟수: 18

  1. Miller, Steven A.; Gaydos, Mark; Shekhter, Leonid N.; Gulsoy, Gokce. Dynamic dehydriding of refractory metal powders. USP2015028961867.
  2. Miller, Steven A.; Kumar, Prabhat; Wu, Richard; Sun, Shuwei; Zimmermann, Stefan; Schmidt-Park, Olaf. Fine grained, non banded, refractory metal sputtering targets with a uniformly random crystallographic orientation, method for making such film, and thin film based devices and products made therefrom. USP2017109783882.
  3. Qiao, Cong Yue; Trudeau, Todd. Iron-chromium alloy with improved compressive yield strength and method of making and use thereof. USP2013078479700.
  4. Dary, Francois-Charles; Gaydos, Mark; Loewenthal, William; Miller, Steven A.; Rozak, Gary; Volchko, Scott Jeffrey; Zimmermann, Stefan; Stawovy, Michael Thomas. Large-area sputtering targets. USP2016089412568.
  5. Koehler Paul C. (Cortland NY) Geibel Stephen A. (Cortland NY) Whitlock Michael B. (Cortland NY). Liquid laydown process and metal filter. USP1992095149360.
  6. Stephen A. Geibel ; Paul C. Koehler ; John L. Hurley. Metal filter for high temperature applications. USP2002086436163.
  7. Zeller, Robert S.; Vroman, Christopher J.. Method for forming anisotrophic metal particles. USP2004086770113.
  8. Zeller, Robert S.; Vroman, Christopher J.. Method for forming chromium anisotropic metal particles. USP2005116964693.
  9. Sagawa, Masato; Watanabe, Tochihiro; Nagata, Hiroshi. Method of making sintered articles. USP2004116814928.
  10. Miller, Steven A.; Shekhter, Leonid N.; Zimmerman, Stefan. Methods of joining metallic protective layers. USP2013058448840.
  11. Miller, Steven A.; Shekhter, Leonid N.; Zimmermann, Stefan. Methods of joining metallic protective layers. USP2015089095932.
  12. Loewenthal, William; Miller, Steven Alfred. Methods of manufacturing large-area sputtering targets. USP2015099120183.
  13. Volchko, Scott Jeffrey; Loewenthal, William; Zimmermann, Stefan; Gaydos, Mark; Miller, Steven Alfred. Methods of manufacturing large-area sputtering targets using interlocking joints. USP2015089108273.
  14. Volchko, Scott Jeffrey; Loewenthal, William; Zimmermann, Stefan; Gaydos, Mark; Miller, Steven Alfred. Methods of manufacturing large-area sputtering targets using interlocking joints. USP2016039293306.
  15. Herrmann Robert C. ; Landin Steven M.. Micro and ultrafilters with controlled pore sizes and pore size distribution and methods for making. USP2001106309546.
  16. Koehler Paul C. (Dryden NY). Porous metal article and method of making. USP1986094613369.
  17. Sagawa, Masato; Watanabe, Tochihiro; Nagata, Hiroshi. Powder compaction method. USP2004076764643.
  18. Kudo Takeo (Nishinomiya JPX) Tarutani Yoshio (Nishinomiya JPX). Sintered stainless steel and production process therefor. USP1986044581202.