Title:
積層造形用Ｎｉ基耐食合金粉末、この粉末を用いた積層造形品の製造方法
Document Type and Number:
Japanese Patent JP6864858
Kind Code:
B2
Abstract:
[Problem] To provide a Ni-base corrosion resistant alloy powder suitable for additive manufacturing, and a manufacturing method using this powder for manufacturing an additively formed product that has excellent corrosion resistance and few defects. [Solution] This Ni-base corrosion resistant alloy powder for additive manufacturing has a component composition which contains, in mass %, Cr: 14.5-24.5%, Mo: 12.0-23.0%, Fe: 0.01-7.00%, Co: 0.001-2.500%, Mg: 0.010% or less, N: 0.040% or less, Mn: 0.001-0.50%, Si: 0.001-0.200%, Al: greater than 0-0.50%, Ti: 0.001-0.500%, Cu: 0.250% or less, V: 0.001-0.300%, B: 0.0001-0.0050%, Zr: 0.0001-0.0200% and O: 0.0010-0.0300%, the remainder being Ni and unavoidable impurities; the C, S and P contained as the aforementioned unavoidable impurities include less than 0.05% of C, less than 0.01% of S and less than 0.01% of P, wherein the powder has a particle distribution in which d10 is 15-100 µm, d50 is 30-250 µm and d90 is 50-480 µm.
Inventors:
Taizo Yuzo
Katsuo Sugawara
Katsuo Sugawara
Application Number:
JP2020571560A
Publication Date:
April 28, 2021
Filing Date:
February 12, 2020
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
B22F1/00
Domestic Patent References:
| JP2016128190A | ||||
| JP2010001558A |