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Title:
連続鋳造用金型の製造方法
Document Type and Number:
Japanese Patent JP7013823
Kind Code:
B2
Abstract:
To prolong the service life of a die for continuous casting by coating an alloy known to be excellent in heat resistance, corrosion resistance, and abrasion resistance, with little change in its composition, and with good adhesion to a surface of a copper or copper alloy substrate.SOLUTION: A nickel-base alloy layer of 0.1-3 mm in thickness is formed by laser irradiation to melt and solidify heat resistant nickel-base alloy powders on a surface of a copper or copper alloy substrate while supplying the powders. By multilayering the nickel-base alloy, a die for continuous casting with a build-up coating layer having a thickness of 0.2-10 mm is prepared. The coating layer includes a first layer in which a part of copper or the copper alloy is dissolved in a build-up layer so that the content of copper is 10 wt.% or less, and a laser build-up multilayer formed on the first layer. In the laser build-up multilayer, an amount of the copper solid solution in the build-up layer is gradually reduced from the inside to the surface.SELECTED DRAWING: Figure 2

Inventors:
Kouhei Ishida
Toshiyuki Nakajima
Application Number:
JP2017232375A
Publication Date:
February 01, 2022
Filing Date:
December 04, 2017
Export Citation:
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Assignee:
Nomura Plating Co., Ltd.
International Classes:
B22D11/059; B22F5/00; B22F7/04; B22F10/25; C22C19/05; C22C27/06; C22C30/00
Domestic Patent References:
JP2005254317A
JP9285844A
JP2016516580A
JP2011052289A
Attorney, Agent or Firm:
Kurata Masahiko