Title:
CAST PRODUCT HAVING ALUMINA BARRIER LAYER, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2013/141030
Kind Code:
A1
Abstract:
[Problem] To provide a cast product having an alumina barrier layer, and method for manufacturing the same. [Solution] This cast product having an alumina barrier layer is a cast product having an alumina barrier layer containing Al2O3 on the surface of the cast product. The cast product contains, on a weight percent basis, 0.3-0.7% C, 0.1-1.5% Si, 0.1-3% Mn, 15-40% Cr, 20-55% Ni, 2-4% Al, 0.005-0.4% rare earth elements, 0.5-5% W and/or 0.1-3% Mo, with the remaining 25% or more comprising Fe and unavoidable impurities. 80% or more of the rare earth elements is La.
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Inventors:
ENJO YOUHEI (JP)
HINENO MAKOTO (JP)
URAMARU SHINICHI (JP)
HASHIMOTO KUNIHIDE (JP)
HINENO MAKOTO (JP)
URAMARU SHINICHI (JP)
HASHIMOTO KUNIHIDE (JP)
Application Number:
PCT/JP2013/056240
Publication Date:
September 26, 2013
Filing Date:
March 07, 2013
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
C23C8/14; B22D13/02; B22D29/00; B23K9/23; B23K31/00; C22C19/05; C22C38/00; C22C38/58; C23C8/02; C23C8/18
Domestic Patent References:
| WO2010113830A1 | 2010-10-07 | |||
| WO2010113830A1 | 2010-10-07 |
Foreign References:
| JPS59107040A | 1984-06-21 | |||
| JP2000008152A | 2000-01-11 | |||
| JPS61210634A | 1986-09-18 | |||
| JPH0254751A | 1990-02-23 | |||
| JP2011190478A | 2011-09-29 | |||
| JPH06306653A | 1994-11-01 | |||
| JPS5278612A | 1977-07-02 | |||
| JPS5739159A | 1982-03-04 |
Other References:
TSUTOMU YOSHIDA: "Al2O3 Fudotai Shori Yosetsu Bellows", VALQUA TECHNOLOGY NEWS, 10 July 2008 (2008-07-10), pages 2 - 6, XP008174669
See also references of EP 2829628A4
See also references of EP 2829628A4
Attorney, Agent or Firm:
MARUYAMA Toshiyuki et al. (JP)
Toshiyuki Maruyama (JP)
Toshiyuki Maruyama (JP)
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