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Title:
SURFACE TREATMENT METAL POWDER FOR LASER SINTERING
Document Type and Number:
WIPO Patent Application WO/2018/062527
Kind Code:
A1
Abstract:
A surface treatment metal powder having any of the following characteristics is provided as a metal powder that can be suitably used for metal AM and has excellent laser absorbing characteristics: the brightness L* of the surface is 0-50; the color difference ΔEab of the surface is 40 or more; the color difference ΔL of the surface is -35 or less; the color difference Δa of the surface is 20 or less; and the color difference Δb of the surface is 20 or less (when determined on the basis of the object color of a white plate (brightness L* = 94.14, color coordinate a* = -0.90, color coordinate b* = 0.24)).

Inventors:
FURUSAWA,Hideki (JX Nippon Mining & Metals Corporation1-2,Shirogane-cho 1-chome,Hitachi-sh, Ibaraki 56, 〒3170056, JP)
SATO,Kenji (1-2Otemachi 1-chome,Chiyoda-k, Tokyo 64, 〒1008164, JP)
MORIYAMA,Terumasa (Hitachi WorksJX Nippon Mining & Metals Corporation,3-1,Shirogane-cho 3-chome,Hitachi-sh, Ibaraki 56, 〒3170056, JP)
Application Number:
JP2017/035630
Publication Date:
April 05, 2018
Filing Date:
September 29, 2017
Export Citation:
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Assignee:
JX NIPPON MINING & METALS CORPORATION (1-2Otemachi 1-chome, Chiyoda-ku Tokyo, 64, 〒1008164, JP)
International Classes:
B22F1/00; B22F1/02; B22F3/105; B22F3/16
Foreign References:
JP2009270130A2009-11-19
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (Shimbashi i-mark Bldg, 6-2 Shimbashi 2-Chome Minato-k, Tokyo 04, 〒1050004, JP)
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