Title:
ガスタービン燃焼器用Ni基耐熱合金
Document Type and Number:
Japanese Patent JP5147037
Kind Code:
B2
Abstract:
A Ni-based heat resistant alloy for a gas turbine combustor, comprising a composition containing, in mass %, Cr: 14.0 to 21.5%, Co: 6.5 to 14.5%, Mo: 6.5 to 10.0%, W: 1.5 to 3.5%, Al:1.2 to 2.4%, Ti:1.1 to 2.1%; Fe: 7.0% or less, B: 0.001 to 0.020%, C: 0.03 to 0.15%, and a balance consisting ofNi and unavoidable impurities, wherein a content of S and P contained in the unavoidable impurities is controlled to be, in mass%, S: 0.015% or less, and P: 0.015% or less, wherein the alloy has a texture in which M 6 C type carbide and MC type carbide are uniformly dispersed in ³ phase matrix.
Inventors:
Takanori Matsui
Kimiaki Kato
Takuya Murai
Yoshiko Uemura
Daisuke Yoshida
Ikuo Okada
Kimiaki Kato
Takuya Murai
Yoshiko Uemura
Daisuke Yoshida
Ikuo Okada
Application Number:
JP2006111749A
Publication Date:
February 20, 2013
Filing Date:
April 14, 2006
Export Citation:
Assignee:
Mitsubishi Materials Corporation
MITSUBISHI HEAVY INDUSTRIES,LTD.
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
C22C19/05; F01D5/28
Domestic Patent References:
| JP2006070360A | ||||
| JP2004256840A | ||||
| JP61079742A |
Attorney, Agent or Firm:
Kazuo Tomita
Kageyama Shuichi
Kageyama Shuichi