Title:
CAST PRODUCT HAVING ALUMINA BARRIER LAYER, AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2013198917
Kind Code:
A
Abstract:
To provide a cast product in which an alumina barrier layer is formed even in a welded spot, and a method for manufacturing the same.
A manufacturing method of a cast product used in a high-temperature atmosphere, obtained by welding a first casting body and a second casting body of heat resistant alloy containing, by mass, 15-18% Cr and 2-4% Al, includes steps of: joining the first casting body and the second casting body by welding; applying a surface treatment to the welded spot joined; and applying a heat treatment to the welded spot surface-treated.
Inventors:
HASHIMOTO KUNIHIDE
TOJO CHOHEI
HINENO MINORU
TOJO CHOHEI
HINENO MINORU
Application Number:
JP2012067827A
Publication Date:
October 03, 2013
Filing Date:
March 23, 2012
Export Citation:
Assignee:
KUBOTA KK
International Classes:
B23K9/23; B23K9/028; B23K31/00; C22C19/05; C22C38/00; C22C38/58
Domestic Patent References:
| JP2000008152A | 2000-01-11 | |||
| JP2011190478A | 2011-09-29 | |||
| JPH06306653A | 1994-11-01 | |||
| JPS59107040A | 1984-06-21 |
Foreign References:
| WO2010113830A1 | 2010-10-07 |
Other References:
吉田勉: "Al2O3不働態処理溶接ベローズ", バルカー技術誌, JPN7013001882, 10 July 2008 (2008-07-10), JP, pages 2 - 6, ISSN: 0003198994
Attorney, Agent or Firm:
Toshiyuki Maruyama