# US 2014/0150933 A1 · Objects made of bulk-solidifying amorphous alloys and method of making same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150933 A1 - Document ID: US20140150933A1 - Status: Published application - Kind: A1 - Application number: 14/174,206 - Filed: 2014-02-06 - Published: 2014-06-05 - Earliest claimed: 2002-08-05 - Assignees: Crucible Intellectual Property, LLC - Applicants: Crucible Intellectual Property, LLC - Inventors: Atakan Peker; Choongnyun Paul Kim; Tranquoc Thebao Nguyen - Web page: https://patentgrep.com/patent/US20140150933A1 ## CPC - A61C 13/20: Methods or devices for soldering, casting, moulding or melting {(A61C13/04, A61C13/081 take precedence)} - A61C 13/0003: {Making bridge-work, inlays, implants or the like} - A61K 6/20: Protective coatings for natural or artificial teeth, e.g. sealings, dye coatings or varnish - A61K 6/84: comprising metals or alloys - C22C 45/00: Amorphous alloys (making amorphous non-ferrous alloys C22C1/11) - C22C 45/10: with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium {or Hf} as the major constituent - C22C 45/02: with iron as the major constituent - C22C 45/04: with nickel or cobalt as the major constituent - C22F 1/02: in inert or controlled atmosphere or vacuum (adjusting the composition of the atmosphere C21D1/76) - A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00) - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - C22C: ALLOYS (treatment of alloys C21D, C22F) - C22F: CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS (surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass, C23F17/00) ## Abstract Metallic dental prostheses made of bulk-solidifying amorphous alloys wherein the dental prosthesis has an elastic strain limit of around 1.2% or more and methods of making such metallic dental prostheses are provided. ## Claims ### Claim at position 1 1-20. (canceled) ### Claim 21 A method of manufacturing a dental prosthesis comprising: providing a feedstock of a bulk-solidifying amorphous alloy; heating the feedstock to above the melting temperature of the bulk solidifying amorphous alloy to form a molten alloy; shaping the molten alloy to form a near-to-net shape dental prosthesis; and quenching the dental prosthesis at a cooling rate sufficient to ensure that the bulk solidifying amorphous alloy has a substantially amorphous atomic structure having an elastic strain limit of around 1.2% or more. ### Claim 22 (depends on 21) The method as described in claim 21, wherein the step of heating includes superheating the feedstock to a temperature at least 100° C. higher than the melting temperature of the bulk solidifying amorphous alloy. ### Claim 23 (depends on 37) The method as described in claim 37, wherein the step of heating is conducted in an inert environment. ### Claim 24 (depends on 37) The method as described in claim 37, wherein the step of heating is conducted under a vacuum. ### Claim 25 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy is described by the following molecular formula: (Zr, Ti)a(Ni, Cu, Fe)b(Be, Al, Si, B)c, wherein “a” is in the range of from about 30 to 75, “b” is in the range of from about 5 to 60, and “c” in the range of from about 0 to 50 in atomic percentages ### Claim 26 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy is described substantially by the following molecular formula: (Zr)a(Nb, Ti)b (Ni, Cu)c(Al)d, where a is in the range of from 45 to 65, b is in the range of from 0 to 10, c is in the range of from 20 to 40, and d in the range of from 7.5 to 15 in atomic percentages. ### Claim 27 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy has a coefficient of thermal expansion of around 10−5 (m/m° C.) or less. ### Claim 28 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy further comprises a ductile metallic crystalline phase precipitate. ### Claim 29 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy is based on ferrous metals having a hardness of about 7.5 Gpa and higher. ### Claim 30 (depends on 37) The method as described in claim 37, wherein the bulk-solidifying amorphous alloy has a glass transition temperature lower than 400° C. ### Claim at position 12 31-33. (canceled) ### Claim 34 (depends on 37) The method as described in claim 37, wherein the step of shaping comprises one of the methods selected from the group consisting of: molding, casting and investment casting. ### Claim 35 (depends on 37) The method as described in claim 37, wherein the bulk solidifying amorphous alloy has a critical cooling rate of 100° C./second or less. ### Claim 36 (canceled) ### Claim 37 A method of manufacturing an object, comprising: providing a feedstock of a bulk-solidifying amorphous alloy; heating the feedstock to above the melting temperature of the bulk solidifying amorphous alloy to form a molten alloy; shaping the molten alloy to form a near-to-net shape object; and quenching the object at a cooling rate sufficient to ensure that the bulk solidifying amorphous alloy has a substantially amorphous atomic structure. ### Claim 38 A method of manufacturing an object, comprising: providing a feedstock of a bulk-solidifying amorphous alloy; softening the feedstock below the melting temperature of the bulk-solidifying amorphous alloy; shaping the softened feedstock to form a near-to-net shape object; and quenching the object at a cooling rate sufficient to ensure that the bulk solidifying amorphous alloy has a substantially amorphous atomic structure. ### Claim 39 (depends on 38) The method as described in claim 38, wherein the step of softening is conducted in an inert environment. ### Claim 40 (depends on 38) The method as described in claim 38, wherein the step of softening is conducted under a vacuum. ### Claim 41 (depends on 38) The method as described in claim 38, wherein the bulk-solidifying amorphous alloy is described by the following molecular formula: (Zr, Ti)a(Ni, Cu, Fe)b(Be, Al, Si, B)c, wherein “a” is in the range of from about 30 to 75, “b” is in the range of from about 5 to 60, and “c” in the range of from about 0 to 50 in atomic percentages ### Claim 42 (depends on 38) The method as described in claim 38, wherein the bulk-solidifying amorphous alloy is described substantially by the following molecular formula: (Zr)a(Nb, Ti)b (Ni, Cu)c(Al)d, where a is in the range of from 45 to 65, b is in the range of from 0 to 10, c is in the range of from 20 to 40, and d in the range of from 7.5 to 15 in atomic percentages. ### Claim 43 (depends on 38) The method as described in claim 38, wherein the bulk-solidifying amorphous alloy has a glass transition temperature lower than 400° C. ### Claim 44 (depends on 38) The method as described in claim 38, wherein the step of shaping comprises one of the methods selected from the group consisting of: molding, casting and investment casting.