Title:
超合金部品及び合金部品の熱処理方法
Document Type and Number:
Japanese Patent JP5856136
Kind Code:
B2
Abstract:
An alloy disc includes a hub portion, a rim portion and a web portion disposed between the hub portion and the rim portion. The disc includes a fine grain structure substantially in a first region of the disc and a coarse grain structure substantially in a second region of the disc. The fine grain structure may be in the hub portion of the disc, and the coarse grain structure may be in the rim portion of the disc. The coarse grain structure may extend a greater distance radially inwardly from the rim portion into the web portion on the first axial end of the disc than on the second axial end of the disc. The fine grain structure may extend a greater distance radially outwardly from the hub portion into the web portion on the second axial end of the disc than on the first axial end of the disc.
Inventors:
Mitchell, Robert John
Fuller, David Ulrich
Remsky, Joseph Andrew
Hardy, Mark Christopher
Fuller, David Ulrich
Remsky, Joseph Andrew
Hardy, Mark Christopher
Application Number:
JP2013262261A
Publication Date:
February 09, 2016
Filing Date:
December 19, 2013
Export Citation:
Assignee:
ROLLS-ROYCE PUBLIC LIMITED COMPANY
International Classes:
C22F1/10; C22C19/05; F01D25/00; F02C7/00; F04D29/02; F04D29/32
Foreign References:
| US6660110 | ||||
| US5527020 | ||||
| US5312497 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Mitsuru Ueda
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Mitsuru Ueda