ALLOY MEMBER, METHOD FOR PRODUCING ALLOY MEMBER, AND PRODUCT WHICH USES ALLOY MEMBER

Title:

ALLOY MEMBER, METHOD FOR PRODUCING ALLOY MEMBER, AND PRODUCT WHICH USES ALLOY MEMBER

Document Type and Number:

WIPO Patent Application WO/2019/031577

Kind Code:

A1

Abstract:

Provided are: an alloy member which uses a high-entropy alloy having high mechanical strength and high corrosion resistance, and exhibits excellent uniformity in the alloy composition and microstructure thereof, and also excellent shape control properties; a method for producing the same; and a product which uses the alloy member. This alloy member is characterized: by having a chemical composition which contains each of the elements Co, Cr, Fe, Ni and Ti in amounts which each fall within the range of 5-35 atomic%, inclusive, and contains Mo in an amount which exceeds 0 atomic% and does not exceed 8 atomic%, with inevitable impurities constituting the remainder thereof; and in that ultrafine particles having an average particle diameter of 100 nm or less are dispersed and deposited in the parent phase crystal.

Inventors:

FUJIEDA TADASHI (JP)
SHIRATORI HIROSHI (JP)
KUWABARA KOUSUKE (JP)
ONUMA ATSUHIKO (JP)

Application Number:

PCT/JP2018/029895

Publication Date:

February 14, 2019

Filing Date:

August 09, 2018

Export Citation:

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Assignee:

HITACHI METALS LTD (JP)

International Classes:

C22C30/00; B22F1/00; B22F3/105; B22F3/16; B22F9/08; C22C1/04; C22C33/02

Domestic Patent References:

WO2017098848A1	2017-06-15
WO2010055943A1	2010-05-20

Other References: