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Patent Searching and Data


Title:
POWDER FOR LAMINATE FORMATION USE, LAMINATED ARTICLE, AND METHOD FOR PRODUCING LAMINATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2020/110498
Kind Code:
A1
Abstract:
Provided are: a powder for laminate formation use, which enables the production of a laminated article having strength equivalent to or better than those of the conventional laminated articles without the need of a post-thermal treatment after laminate formation; a laminated article; and a method for producing a laminated article. The powder for laminate formation use according to the present invention is characterized by comprising an iron-based alloy containing 0.1 to 6% by mass inclusive of Ti and 0.2 to 2% by mass inclusive of B. The laminated article according to the present invention is characterized by comprising an iron-based alloy containing 0.1 to 6% by mass inclusive of Ti and 0.2 to 2% by mass inclusive of B and containing crystals each containing at least one of TiB and TiB2. The method for producing a laminated article according to the present invention is characterized by causing the precipitation of crystals each containing at least one of TiB and TiB2 in an iron-based alloy in a laminate-formation/sintering step using a powder for laminate formation use which comprises an iron-based alloy containing 0.1 to 6% by mass inclusive of Ti and 0.2 to 2% by mass inclusive of B.

Inventors:
CHEN MEICHUAN (JP)
FUJIEDA TADASHI (JP)
Application Number:
PCT/JP2019/040856
Publication Date:
June 04, 2020
Filing Date:
October 17, 2019
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B22F1/00; B22F3/105; B22F3/16; B22F9/08; B33Y70/00; C22C38/00; C22C38/58
Foreign References:
JPS5623256A1981-03-05
JPH08100243A1996-04-16
JP2014105373A2014-06-09
JP2018172739A2018-11-08
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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