An injection device for the production of at least one molded part made of amorphous metallic alloy, including: (i) a mold having at least two injection chambers connected to at least one cavity; and (ii) at least one heating means capable of melting metallic elements; and a multi-piston system including: (1) at least two injection pistons whose respective main axes are each aligned with that of their corresponding injection chamber and (2) a support cooperating with each of the injection pistons; and such that the support and/or the mold are able to move along an axis parallel to the main axes of the injection pistons so as to allow the loading of the metallic elements and the injection of the molten metallic elements into the injection chambers. Also, an injection method for the production of at least one molded part made of amorphous metallic alloy.
B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
A metallic glass formed from an alloy having the elements: Zr from 45 to 68 atomic percent, and Cu less than 25 atomic percent; and Al having between 9 and 12 atomic percent; and Ti from 0.5 to 10 atomic percent; and Nb from 0.1 to 6 atomic percent; and other elements not more than 0.1% by weight each and not more than 0.5% by weight in total; and the total sum of the preceding elements being equal to 100% by weight in total; and the sum Zr+Nb+Ti is between 64 and 69 atomic percent. The invention also relates to a part made of metallic glass and to its manufacturing method.
A metallic glass formed of an alloy including: (a-c-x) atomic % of Ni, with a between 54 and 72; (b-y) atomic % of Nb, with b between 35 and 44; c atomic % of Cu, with c from 0.05 to 9; x atomic % of at least one element chosen from: Co, Fe, Ag, Mn, Pd, Au, Ir, Os, Pt, Re, Rh, Ru and Te, with x from 0 to 20; y atomic % of at least one element chosen from: Hf, Ta, Ti, Cr, Mo, Sc, V, W and Y, with y from 0 to 20; z atomic % of at least one element chosen from: B, Si, Al, Sn, Ca, Ga, In, Mg and Zn, with z from 0 to 10; at most 3 atomic % of Zr; and other elements at most 0.1% by weight each and at most 0.5% by weight in total.
Component, characterized in that it comprises at least one porous core, comprising a first material or based on a first material, with a density less than or equal to 80%, or even less than or equal to 60%, or even less than or equal to 50%, of the density of the first solid material, and in that it comprises a surface coating comprising at least one layer comprising a second at least partially amorphous metallic material overmoulded at least on the at least one porous core.
A method for machining a sample of amorphous metal alloy using a femtosecond laser, including at least one step of irradiating the sample with a laser beam along a reference trajectory to ablate material from the sample, so as to obtain a sample machined and maintained in the amorphous state, in which, the laser beam is pulsed, and the duration of each pulse is less than 1000 femtoseconds, preferably less than 600 femtoseconds, and in which the amorphous metal alloy has a critical diameter less than 5 millimeters, and/or a difference between the crystallization temperature and the glass transition temperature less than 60° C., and/or a quotient of the difference between the crystallization temperature and the glass transition temperature and of the difference between the liquidus temperature and the temperature glass transition is less than 0.12.
The invention relates to an injection device for producing at least one amorphous metal alloy moulded part, comprising: (i) a mould having at least two injection chambers connected to at least one moulding cavity; and (ii) at least one heating means capable of melting metal elements; and a multi-piston system comprising: (1) at least two injection pistons, the respective main axes of which are each aligned with that of their corresponding injection chamber and (2) a support cooperating with each of the injection pistons; and such that the support and/or the mould are able to move along an axis parallel to the main axes of the injection pistons so as to allow the loading of the metal elements and the injection of the molten metal elements into the injection chambers. The invention also relates to an injection method for producing at least one amorphous metal alloy moulded part.
B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
B22D 17/20 - AccessoriesPressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure Details
B22D 17/22 - DiesDie platesDie supportsCooling equipment for diesAccessories for loosening and ejecting castings from dies
7.
METALLIC GLASSES MADE OF AN ALLOY CONTAINING ZR-CU-AL-TI-NB
The invention relates to a metallic glass formed of an alloy comprising the elements: from 45 to 68 at% of Zr, preferably from 48 to 65 at%, and less than 25 at% of Cu, preferably less than 24 at%; and between 9 and 12 at% of AI, preferably from 9 to 11 at%; and from 0.5 to 10 at% of Ti, preferably from 2 to 8 at%; and from 0.1 to 6 at% of Nb, preferably from 0.5 to 4 at%, more preferably from 1.5 to 3 at%; and other elements at most 0.1 wt% each and at most 0.5 wt% in total; and the total sum of the preceding elements being equal to 100 wt% in total; and the sum of Zr + Nb + Ti is between 64 and 69 at%, preferably from 65 to 68 at%. The invention also relates to a metallic glass part and to the method for manufacturing same.
C22C 45/10 - Amorphous alloys with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium as the major constituent
C22F 1/02 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
C22F 1/18 - High-melting or refractory metals or alloys based thereon
The invention relates to a metallic glass formed of an alloy comprising: (a-c-x) atomic % of Ni, with a between 54 and 72; (b-y) atomic % of Nb, with b between 35 and 44; c atomic % of Cu, with c from 0.05 to 9; x atomic % of at least one element chosen from: Co, Fe, Ag, Mn, Pd, Au, Ir, Os, Pt, Re, Rh, Ru and Te, with x from 0 to 20; y atomic % of at least one element chosen from: Hf, Ta, Ti, Cr, Mo, Sc, V, W and Y, with y from 0 to 20; z atomic % of at least one element chosen from: B, Si, Al, Sn, Ca, Ga, In, Mg and Zn, with z from 0 to 10; at most 3 atomic % of Zr; and other elements at most 0.1% by weight each and at most 0.5% by weight in total. The invention also relates to a metallic glass part and to the method for manufacturing same.
The invention relates to a method for machining an amorphous metal alloy sample (1) using a femtosecond laser, comprising at least a step of irradiating the sample (1) with a laser beam (2) along a reference path (TRef) in order to ablate material of the sample (1), such as to obtain a machined sample (1) maintained in the amorphous state, wherein the laser beam (2) is pulsed and the duration of each pulse is less than 1000 femtoseconds, preferably less than 600 femtoseconds, and the laser beam (2) pulse frequency (f) is greater than 20kHz. According to the invention, the amorphous metal alloy has a submillimetre critical diameter (Dc), and/or a difference (ΔTx) between crystallisation temperature (Tx) and glass transition temperature (Tg) of less than 60°C, and/or a quotient (ΔTx/(TI-Tg)) of the difference (ΔTx) between crystallisation temperature (Tx) and glass transition temperature (Tg) and the difference between liquidus temperature (Tl) and glass transition temperature (Tg) of less than 0.12.
Device and method for injection moulding a metal alloy intended for manufacturing at least one part made of an amorphous metal alloy or metallic glass, wherein: an injection mould (2) delimits a cavity that has a receiving face (4) and a frontal moulding face (5) opposite the receiving face, at least one sacrificial shaping insert (7) is placed in said cavity and has a rear face (8), at least one contact zone of which is adjacent to at least one contact zone of said receiving face of the cavity and a front face (9) that is situated opposite said moulding face of the mould and provided with a recessed shape, and an injection piston (I I) is movable in a chamber (12) of the mould and communicates with the moulding impression.
B22D 29/00 - Removing castings from moulds, not restricted to casting processes covered by a single main groupRemoving coresHandling ingots
B22C 1/00 - Compositions of refractory mould or core materialsGrain structures thereofChemical or physical features in the formation or manufacture of moulds
B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
B22D 17/22 - DiesDie platesDie supportsCooling equipment for diesAccessories for loosening and ejecting castings from dies
11.
INJECTION-MOULDING DEVICE AND METHOD FOR MANUFACTURING PARTS MADE OF METALLIC GLASS
Device and method for injection moulding a metal alloy intended for manufacturing at least one part made of an amorphous metal alloy or metallic glass, wherein: an injection mould (2) delimits a cavity that has a receiving face (4) and a frontal moulding face (5) opposite the receiving face, at least one sacrificial shaping insert (7) is placed in said cavity and has a rear face (8), at least one contact zone of which is adjacent to at least one contact zone of said receiving face of the cavity and a front face (9) that is situated opposite said moulding face of the mould and provided with a recessed shape, and an injection piston (11) is movable in a chamber (12) of the mould and communicates with the moulding impression.
06 - Common metals and ores; objects made of metal
10 - Medical apparatus and instruments
14 - Precious metals and their alloys; jewelry; time-keeping instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Building castings of metal alloys; Alloy forgings (rough or semi-finished -) [metal]; amorphous metal alloys; Statues and works of art of common metals; Metal mouldings; Common metals and their alloys; Unprocessed and semi-processed materials of metal, not specified for use; Metal hardware; Molds of metal; Alloys of metal; Foundry molds [moulds] of metal; Building and construction materials and elements of metal; Containers, and transportation and packaging articles, of metal. Dental prostheses; Dental equipment; Artificial organs and implants; Medical and veterinary apparatus and instruments; Prosthetics and artificial implants. Parts and fittings for chronometric instruments; Chronometric instruments; Precious metals; Horological and chronometric instruments; Horological articles; Jewelry; Parts for clocks; Parts and fittings for horological instruments; Parts for clockworks; Time instruments; Alloys of precious metal. Treating [shaping] of metal; Treating [embossing] of metal; Metalworking; Cutting of metal; Metal melting services; Shaping of metal components; Metal casting; Treating [stamping] of metal; Metal pressing; Metallurgical smelting; Die-casting of metals. Analysis and evaluation of product design; Material testing services; Engineering design and consultancy; Testing, authentication and quality control; Computer aided part and mould design services; Engineering feasibility studies; Engineering testing; Design and testing for new product development; Engineering project studies; Conducting engineering surveys; Quality assurance consultancy; Engineering consultancy services; Engineering services for others; Research and development services; Technical measuring and testing; Advisory services relating to material testing; Technical project planning in the field of engineering; Design of industrial machinery; Engineering services for the design of machinery; Design of specialist machinery; Computer-aided engineering design services; Quality checking and testing; Science and technology services; Design of moulds; Conducting industrial tests; Analysis and evaluation of product development; Advisory services relating to industrial engineering; Design services; Materials testing and evaluation; Preparation of engineering reports; Industrial testing of engineering works; Technological advisory services relating to machine engineering analysis; Engineering research; Materials testing and analysing; Provision of information relating to industrial engineering; Engineering consultancy relating to design.
