Title:
SURFACE-TREATED METAL MATERIAL HAVING EXCELLENT SCALE ADHESION-SUPPRESSING PROPERTIES, METHOD FOR PRODUCING SAME, HEAT EXCHANGER, AND SEAWATER EVAPORATOR
Document Type and Number:
WIPO Patent Application WO/2012/023548
Kind Code:
A1
Abstract:
This surface-treated metal material has a base that is formed of titanium, a titanium alloy or stainless steel, and the surface of the base is modified. From the outermost surface to a depth of 10 nm of the surface-treated metal material, the P concentration is not less than 1.0% by atom and the total concentration of one or more metal elements selected from the group consisting of Sn, Co, Ni, Fe, Zn and Mg is not less than 1.0% by atom. The surface-treated metal material excellently suppresses adhesion of scales that are mainly composed of calcium carbonate.
Inventors:
YANAGISAWA KASUMI
Application Number:
PCT/JP2011/068542
Publication Date:
February 23, 2012
Filing Date:
August 16, 2011
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
YANAGISAWA KASUMI
YANAGISAWA KASUMI
International Classes:
C23C22/07; C23C22/23; F28F19/06
Foreign References:
| JPH01123080A | 1989-05-16 | |||
| JPH1151849A | 1999-02-26 | |||
| JP2004176088A | 2004-06-24 | |||
| JPH11256374A | 1999-09-21 | |||
| JP3647843B2 | 2005-05-18 | |||
| JP2010184450A | 2010-08-26 | |||
| JP2011024106A | 2011-02-03 | |||
| JP2011137067A | 2011-07-14 |
Other References:
See also references of EP 2607521A4
Attorney, Agent or Firm:
OGURI Shohei et al. (JP)
Shohei Oguri (JP)
Shohei Oguri (JP)
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Claims:
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