Title:
COMPOSITE ROLL AND ROLLING METHOD
Document Type and Number:
WIPO Patent Application WO/2014/010547
Kind Code:
A1
Abstract:
This composite roll comprises a steel roll shaft material, and an outer layer provided to the circumference of the roll shaft material. The outer layer includes a sintered compact containing: a matrix, which is an iron-based alloy; a fibrous inclusion composed of a ceramic and having an average thickness of 1 to 30 μm and an average aspect ratio of 10 to 500; and a particulate inclusion composed of a ceramic having an average particle diameter of 1 to 100 μm. The content of the fibrous inclusion is 5 to 40 vol% with respect to the sintered compact, and the content of the particulate inclusion is 5 to 30 vol% with respect to the sintered compact.
Inventors:
INOUE TSUYOSHI (JP)
UCHIDA SHIGERU (JP)
ITO SEIJI (JP)
UCHIDA SHIGERU (JP)
ITO SEIJI (JP)
Application Number:
PCT/JP2013/068619
Publication Date:
January 16, 2014
Filing Date:
July 08, 2013
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B21B27/00; B22F3/15; B22F5/00
Foreign References:
| JP2001059147A | 2001-03-06 | |||
| JPH01230736A | 1989-09-14 | |||
| JP2008069403A | 2008-03-27 | |||
| JPH01128508A | 1989-05-22 | |||
| JP2003119554A | 2003-04-23 | |||
| JPH01161349A | 1989-06-26 | |||
| JP2001059147A | 2001-03-06 |
Other References:
See also references of EP 2871004A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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