POWDER MATERIAL FOR LAMINATION MOLDING

To provide a powder material for lamination molding having excellent fluidity in a dynamic state.SOLUTION: A powder material for lamination molding comprises metal particles, has a powder dynamic friction angle of 22° or less and has an avalanche energy of 15 mJ/kg or less. The powder material for l...

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Bibliographische Detailangaben
Hauptverfasser:	KANAI DAISUKE, YAMANAKA TOSHIFUMI, SAKAI TAKUYA, YAMADA SHINNOSUKE, SEKIMOTO KOICHIRO, USUDA TERUTAKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	To provide a powder material for lamination molding having excellent fluidity in a dynamic state.SOLUTION: A powder material for lamination molding comprises metal particles, has a powder dynamic friction angle of 22° or less and has an avalanche energy of 15 mJ/kg or less. The powder material for lamination molding preferably does not comprise a fluidization agent, ceramic particles or a binder made of an organic material.SELECTED DRAWING: Figure 1 【課題】動的な状態での流動性に優れた積層造形用粉末材料を提供する。【解決手段】金属粒子を含有し、粉体動摩擦角が２２°以下であり、アバランシェエネルギーが１５ｍＪ／ｋｇ以下である、積層造形用粉末材料とする。前記積層造形用粉末材料は、流動化剤、セラミックス粒子、および有機材料よりなるバインダーを含有しないことが好ましい。【選択図】図１