Title:
CERAMIC SINTERED COMPACT, ROLL CLEANING EQUIPMENT, AND ROLL CLEANING METHOD
Document Type and Number:
Japanese Patent JP2007302529
Kind Code:
A
Abstract:
To provide a ceramic sintered compact excellent in heat resistance, wear resistance and corrosion resistance under a high-temperature and corrosive gaseous atmosphere, and to provide a roll cleaning equipment capable of being used stably and for a long period of time using this sintered compact in a blade.
The inventive ceramic sintered compact is characterized in that it is comprised of X vol% of Si3N4and (100-X) vol% of Ti0.9Me0.1C2(Me is at least one of Zr, Hf, Cr and Ni) and has a composition where X is 5-35. The inventive roll cleaning equipment is one that can be used under a high-temperature of 400-1,500°C and corrosive gaseous atmosphere and is characterized in that it is provided with a blade that is constructed by embedding the ceramic sintered compact into a heat resistant steel and with a support for supporting the blade.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
MATSUBAYASHI SHIGEHARU
NISHIYAMA TETSUO
SUEMUNE YOSHIHIRO
ITO TATEO
Application Number:
JP2006134098A
Publication Date:
November 22, 2007
Filing Date:
May 12, 2006
Assignee:
NIPPON STEEL CORP
International Classes:
C04B35/56; B21B28/04; B22D19/00; B22D19/06
Attorney, Agent or Firm:
Intellectual Property Office
Kinoshita Minoru
Kanji Nakayama
Tsuyoshi Ishizaki
