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1. WO2020110498 - POWDER FOR LAMINATE FORMATION USE, LAMINATED ARTICLE, AND METHOD FOR PRODUCING LAMINATED ARTICLE

Publication Number WO/2020/110498
Publication Date 04.06.2020
International Application No. PCT/JP2019/040856
International Filing Date 17.10.2019
IPC
B22F 1/00 2006.01
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
1Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
B22F 3/105 2006.01
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 2006.01
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
B22F 9/08 2006.01
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
9Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor
02using physical processes
06starting from liquid material
08by casting, e.g. through sieves or in water, by atomising or spraying
B33Y 70/00 2015.01
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
C22C 38/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
CPC
B22F 1/00
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
1Special treatment of metallic powder, e.g. to facilitate working, to improve properties
B22F 3/105
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
10Sintering only
105by using electric current ; other than for infra-red radiant energy; , laser radiation or plasma
B22F 3/16
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
12Both compacting and sintering
16in successive or repeated steps
B22F 9/08
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
9Making metallic powder or suspensions thereof
02using physical processes
06starting from liquid material
08by casting, e.g. through sieves or in water, by atomising or spraying
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 70/00
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
70Materials specially adapted for additive manufacturing
Applicants
  • 株式会社日立製作所 HITACHI, LTD. [JP]/[JP]
Inventors
  • 陳 美伝 CHEN Meichuan
  • 藤枝 正 FUJIEDA Tadashi
Agents
  • ポレール特許業務法人 POLAIRE I.P.C.
Priority Data
2018-22446530.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POWDER FOR LAMINATE FORMATION USE, LAMINATED ARTICLE, AND METHOD FOR PRODUCING LAMINATED ARTICLE
(FR) POUDRE POUR UTILISATION DE FORMATION DE STRATIFIÉ, ARTICLE STRATIFIÉ ET PROCÉDÉ DE PRODUCTION D'ARTICLE STRATIFIÉ
(JA) 積層造形用粉末、積層造形体および積層造形体の製造方法
Abstract
(EN)
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.
(FR)
La présente invention concerne : une poudre destinée à être utilisée lors de la formation de stratifié, qui permet la production d'un article stratifié présentant une résistance équivalente ou supérieure à celles des articles stratifiés classiques sans avoir besoin d'un traitement post-thermique après la formation d'un stratifié ; un article stratifié ; et un procédé de production d'un article stratifié. La poudre destinée à être utilisée lors de la formation de stratifié selon la présente invention est caractérisée en ce qu'elle comprend un alliage à base de fer contenant de 0,1 à 6 % inclus en masse de Ti et de 0,2 à 2 % inclus en masse de B. L'article stratifié selon la présente invention est caractérisé en ce qu'il comprend un alliage à base de fer contenant de 0,1 à 6 % inclus en masse de Ti et de 0,2 à 2 % inclus en masse de B et contenant des cristaux contenant chacun TiB et/ou TiB2. Le procédé de production d'un article stratifié selon la présente invention est caractérisé en ce que la précipitation de cristaux est provoquée, les cristaux contenant chacun TiB et/ou TiB2 dans un alliage à base de fer dans une étape de formation de stratifié/frittage au moyen d'une poudre destinée à être utilisée lors de la formation de stratifié qui comprend un alliage à base de fer contenant de 0,1 à 6% inclus en masse de Ti et de 0,2 à 2 % inclus en masse de B.
(JA)
積層造形後の後熱処理を不要とし、従来と同等以上の強度を有する積層造形体を得ることができる積層造形用粉末、積層造形体および積層造形体の製造方法を提供する。 本発明の積層造形用粉末は、Tiを0.1質量%以上6質量%以下、Bを0.2質量%以上2質量%以下含む鉄基合金を有することを特徴とする。 本発明の積層造形体は、Tiを0.1質量%以上6質量%以下、Bを0.2質量%以上2質量%以下含む鉄基合金を有し、TiBおよびTiBのうちの少なくとも1つを含む結晶を有することを特徴とする。また、本発明の積層造形体の製造方法は、Tiを0.1質量%以上6質量%以下、Bを0.2質量%以上2質量%以下含む鉄基合金を有する積層造形用粉末を用いた積層造形・焼結工程において、鉄基合金にTiBおよびTiBのうちの少なくとも1つを含む結晶を析出させることを特徴とする。
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