Title:
燃料棒の位置決め用のスペーサ格子
Document Type and Number:
Japanese Patent JP5406043
Kind Code:
B2
Abstract:
A method of manufacturing an optimized sheet metal (1) of a zirconium based alloy is described, which optimized sheet metal (1) defines a sheet plane (BA). The method comprises the steps of providing a sheet metal (2) of a zirconium based. alloy, subjecting the sheet metal (2) to at least a preparing cold rolling and a final cold rolling, wherein the preparing cold rolling and the final cold rolling are both performed in a common rolling direction, and heat treating the sheet metal (1) between the preparing cold rolling and the final cold rolling so that the zirconium based alloy is partially re-crystallized. A method of manufacturing a spacer grid using an optimized sheet metal (1) according to the invention is also described.
Inventors:
Hall studyus lars
Dahlbeck Mats
Bates John
Doherty james
King Stephen Jay.
Comstock Robert Jay.
Dahlbeck Mats
Bates John
Doherty james
King Stephen Jay.
Comstock Robert Jay.
Application Number:
JP2009545516A
Publication Date:
February 05, 2014
Filing Date:
December 12, 2007
Export Citation:
Assignee:
Westinghouse electric sweden arbe
International Classes:
C22F1/18; B21B3/00; C22C16/00; G21C3/34; C22F1/00
Domestic Patent References:
| JP2006214001A | ||||
| JP2002243881A | ||||
| JP2001262260A | ||||
| JP2003277859A |
Foreign References:
| WO2005035817A2 | ||||
| US5223055 | ||||
| US4717427 | ||||
| US5296058 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi