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1. WO2019220917 - ADDITIVELY MANUFACTURED HOT WORK TOOL, METHOD FOR MANUFACTURING SAME, AND METAL POWDER FOR ADDITIVELY MANUFACTURED HOT WORK TOOL

Publication Number WO/2019/220917
Publication Date 21.11.2019
International Application No. PCT/JP2019/017665
International Filing Date 25.04.2019
Chapter 2 Demand Filed 25.10.2019
IPC
C22C 38/00 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
B22F 3/105 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
10Sintering only
105by using electric current, laser radiation or plasma
B22F 3/16 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
12Both compacting and sintering
16in successive or repeated steps
B33Y 10/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B33Y 70/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
70Materials specially adapted for additive manufacturing
B33Y 80/00 2015.1
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
80Products made by additive manufacturing
CPC
B22C 9/061
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
CFOUNDRY MOULDING
9Moulds or cores
06Permanent moulds for shaped castings
061Materials which make up the mould
B22F 10/28
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
10Additive manufacturing of workpieces or articles from metallic powder
20Direct sintering or melting
28Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/38
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
10Additive manufacturing of workpieces or articles from metallic powder
30Process control
38to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
B23K 26/342
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
26Working by laser beam, e.g. welding, cutting or boring
34Laser welding for purposes other than joining
342Build-up welding
B33Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B33Y 40/20
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
40Auxiliary operations or equipment, e.g. for material handling
20Post-treatment, e.g. curing, coating or polishing
Applicants
  • 日立金属株式会社 HITACHI METALS, LTD. [JP]/[JP]
  • トヨタ自動車株式会社 TOYOTA JIDOSHA KABUSHIKI KAISHA [JP]/[JP]
Inventors
  • 福澤 範英 FUKUZAWA Norihide
  • 坂巻 功一 SAKAMAKI Kouichi
  • 中野 洋佑 NAKANO Yousuke
  • 福元 志保 FUKUMOTO Shiho
  • 斉藤 和也 SAITO Kazuya
  • 桑原 孝介 KUWABARA Kousuke
Agents
  • 家入 健 IEIRI Takeshi
Priority Data
2018-09287614.05.2018JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) ADDITIVELY MANUFACTURED HOT WORK TOOL, METHOD FOR MANUFACTURING SAME, AND METAL POWDER FOR ADDITIVELY MANUFACTURED HOT WORK TOOL
(FR) OUTIL DE TRAVAIL À CHAUD FABRIQUÉ DE FAÇON ADDITIVE, SON PROCÉDÉ DE FABRICATION, ET POUDRE MÉTALLIQUE POUR OUTIL DE TRAVAIL À CHAUD FABRIQUÉ DE FAÇON ADDITIVE
(JA) 積層造形熱間工具およびその製造方法、ならびに、積層造形熱間工具用金属粉末
Abstract
(EN) The present invention provides an additively manufactured hot work tool having a composition containing, in mass%, 0.3-0.5% of C, 2.0% or less of Si, 1.5% or less of Mn, 0.05% or less of P, 0.05% or less of S, 3.0-6.0% of Cr, 0.5-3.5% of one or two among Mo and W according to the relational expression of (Mo+1/2W), 0.1-1.5% of V, 0-1.0% of Ni, 0-1.0% of Co, and 0-0.3% of Nb, with the remainder comprising Fe and impurities, wherein the area percentage of defects having an area of at least 1 µm2 is 0.6% or less in a cross section parallel to the stacking direction. Also provided is a method for manufacturing an additively manufactured hot work tool, wherein a metal powder having the above composition is deposited layer-by-layer and then annealed. Also provided is a metal powder having the above composition.
(FR) La présente invention concerne un outil de travail à chaud fabriqué de façon additive ayant une composition contenant, en % en masse, 0,3 à 0,5 % de C, 2,0 % ou moins de Si, 1,5 % ou moins de Mn, 0,05 % ou moins de P, 0,05 % ou moins de S, 3,0 à 6,0 % de Cr, 0,5 à 3,5 % de l’un ou des deux parmi Mo et W selon l’expression relationnelle de (Mo+1/2W), 0,1 à 1,5 % de V, 0 à 1,0 % de Ni, 0 à 1,0 % de Co, et 0 à 0,3 % de Nb, le reste comprenant Fe et des impuretés, le pourcentage de surface de défauts ayant une aire d’au moins 1 µm2 étant inférieur ou égal à 0,6 % dans une section transversale parallèle à la direction d’empilement. L’invention concerne en outre un procédé de fabrication d’un outil de travail chaud fabriqué de façon additive, une poudre métallique ayant la composition ci-dessus étant déposée couche par couche puis recuite. L’invention concerne en outre une poudre métallique ayant la composition ci-dessus.
(JA) 本発明にかかる積層造形熱間工具は、質量%で、C:0.3~0.5%、Si:2.0%以下、Mn:1.5%以下、P:0.05%以下、S:0.05%以下、Cr:3.0~6.0%、(Mo+1/2W)の関係式によるMoおよびWのうちの1種または2種:0.5~3.5%、V:0.1~1.5%、Ni:0~1.0%、Co:0~1.0%、Nb:0~0.3%を含み、残部がFeおよび不純物である成分組成を有し、積層方向と平行な断面において、面積が1μm以上の欠陥の面積率が0.6%以下の積層造形熱間工具である。また、上記の成分組成を有する金属粉末を積層造形した後、焼戻しを行う積層造形熱間工具の製造方法である。そして、上記の成分組成を有する金属粉末である。
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