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1. WO2020065297 - An alpha titanium alloy for additive manufacturing

Publication Number WO/2020/065297
Publication Date 02.04.2020
International Application No. PCT/GB2019/052689
International Filing Date 24.09.2019
IPC
C22C 14/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
14Alloys based on titanium
C22F 1/18 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
16of other metals or alloys based thereon
18High-melting or refractory metals or alloys based thereon
CPC
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
C22C 14/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
14Alloys based on titanium
C22F 1/183
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
16of other metals or alloys based thereon
18High-melting or refractory metals or alloys based thereon
183of titanium or alloys based thereon
Applicants
  • OXMET TECHNOLOGIES LIMITED [GB]/[GB]
Inventors
  • ALABORT MARTINEZ, Enrique
Agents
  • J A KEMP LLP
Priority Data
1815536.624.09.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) An alpha titanium alloy for additive manufacturing
(FR) ALLIAGE DE TITANE ALPHA POUR FABRICATION ADDITIVE
Abstract
(EN)
A titanium-based alloy composition consisting in weight percent, of: 4.0 to 8.0% aluminium, 3.0 to 9.0% tin, 0.0 to 5.0% zirconium, 0.0 to 2.0% niobium, 0.0 to 2.0% vanadium, 0.0 to 0.5% iron, 0.0 to 1.75% chromium, 0.0 to 2.0% molybdenum, 0.0 to 2.0% tungsten, 0.0 to 0.5% nickel, 0.0 to 1.0% tantalum, 0.0 to 0.5% cobalt, 0.0 to 0.75% silicon, 0.0 to 0.5% boron, 0.0 to 0.5% carbon, 0.0 to 0.5% oxygen, 0.0 to 0.5% hydrogen, 0.0 to 0.5% nitrogen, 0.0 to 0.5% palladium, 0.0 to 0.5% lanthanum, 0.0 to 0.5% manganese, 0.0 to 0.5 hafnium, the balance being titanium and incidental impurities which satisfies the following relationship: 0.107Al + 0.075V + 0.4Fe + 0.112Cr + 0.025Zr + 0.05 (Mo +0.5 W) + 0.082 (Nb +Ta) + 0.027Sn > 1.0 where Al, W, V, Fe, Cr, Zr, Mo, Nb, Ta and Sn represent the amounts of aluminium, tungsten, vanadium, iron, chromium, zirconium, molybdenum, niobium, tantalum and tin in wt.% respectively.
(FR)
La présente invention concerne une composition d'alliage à base de titane constituée en pourcentage en poids de : 4,0 à 8,0 % d'aluminium, de 3,0 à 9,0 % d'étain, de 0,0 à 5,0 % de zirconium, de 0,0 à 2,0 % de niobium, de 0,0 à 2,0 % de vanadium, de 0,0 à 0,5 % de fer, de 0,0 à 1,75 % de chrome, de 0,0 à 2,0 % de molybdène, de 0,0 à 2,0 % de tungstène, de 0,0 à 0,5 % de nickel, de 0,0 à 1,0 % de tantale, de 0,0 à 0,5 % de cobalt, de 0,0 à 0,75 % de silicium, de 0,0 à 0,5 % de bore, de 0,0 à 0,5 % de carbone, de 0,0 à 0,5 % d'oxygène, de 0,0 à 0,5 % d'hydrogène, de 0,0 à 0,5 % d'azote, de 0,0 à 0,5 % de palladium, de 0,0 à 0,5 % de lanthane, de 0,0 à 0,5 % de manganèse, de 0,0 à 0,5 % d'hafnium, le reste étant du titane et des impuretés incidentes, qui satisfait à la relation suivante : 0,107Al + 0,075V + 0,4Fe + 0,112Cr + 0,025Zr + 0,05 (Mo + 0,5W) + 0,082 (Nb + Ta) + 0,027Sn > 1,0 où Al, W, V, Fe, Cr, Zr, Mo, Nb, Ta et Sn représentent les quantités d'aluminium, de tungstène, de vanadium, de fer, de chrome, de zirconium, de molybdène, de niobium, de tantale et d'étain en % en poids respectivement.
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