Am optimized dispersion strength β-titanium alloy
Patent Information
- Authority / Receiving Office
- AU · AU
- Patent Type
- Applications
- Current Assignee / Owner
- HOWMEDICA OSTEONICS CORP
- Filing Date
- 2025-12-24
- Publication Date
- 2026-07-23
Smart Images
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Abstract
Claims
1. A biocompatible composite material comprising:a matrix including primary particles forming a titanium alloy; anda second-phase dispersion including secondary particles each encompassed by one of the primary particles of the matrix.
2. The biocompatible composite material according to claim 1, wherein theprimary particles form a metastable P-titanium alloy.
3. The biocompatible composite material according to claim 2, wherein themetastable P-titanium alloy includes Ti-12Mo-6Zr-2Fe (TMZF) or Ti-35Nb-7Zr-5Ta (TNZT).
4. The biocompatible composite material according to any one of claims 1-3,wherein the primary particles include titanium particles and beta stabilizing particles separate from the titanium particles.
5. The biocompatible composite material according to claim 4, wherein thesecondary particles are encompassed by the titanium particles.
6. The biocompatible composite material according to claim 4 or claim 5, whereinthe secondary particles are encompassed by the beta stabilizing particles.
7. The biocompatible composite material according to any one of claims 4-6,wherein the beta stabilizing particles are made of elements including at least one of or a combination of Mo, Zr, Fe, Nb, or Ta.
8. The biocompatible composite material according to any one of claims 1-7,wherein the matrix includes a homogeneous distribution of one or more of the secondary particles within the composite material.
9. The biocompatible composite material according to any one of claims 1-8,wherein the primary particles of the matrix are homogenously distributed within the composite material.2025287329 24 Dec 202510. The biocompatible composite material according to any one of claims 1-9, wherein the composite material is a powder.
11. The biocompatible composite material according to any one of claims 1-10, wherein the second-phase dispersion is in the form of an oxide, a ceramic, a carbide, or a boride particle.
12. The biocompatible composite material according to any one of claims 1-11, wherein the secondary particles are made of molecules having a chemical formula of TiB2, TiC, or SiC.
13. The biocompatible composite material according to any one of claims 1-11, wherein the secondary particles are made of molecules having a chemical formula of ZrO2, TiO2, AlO2, Y2O3, SiO2, and Er2O3.
14. A method of preparing a composite material powder, comprising steps of: preparing an ingot comprising a composite material; and atomizing the ingot to produce a composite material powder, wherein the composite material comprises:a matrix including primary particles forming a metal alloy; anda second-phase dispersion including secondary particles each encompassed by one of the primary particles of the matrix.
15. The method according to claim 14, wherein the composite material powder includes a composite material particle that is fully pre-alloyed.
16. The method according to claim 14 or claim 15, further comprising a step of forming the composite material powder into a component via a Laser Power Bed Fusion process or an Electron Beam Powder Bed Fusion process.
17. The method according to claim 16, wherein the primary particles of the matrix form a titanium alloy, and wherein the step of forming the composite material into the component refines a grain structure formed during a solidification of the composite material and defined by a p-phase titanium alloy and the second-phase dispersion.2025287329 24 Dec 202518. The method according to claim 16 or claim 17, further comprising a step of heat treating an in-process component structure before fully forming the component to cause a precipitation of a third a-phase of the matrix.
19. The method according to claim 18, wherein the heat-treating step transforms a microstructure of the in-process component structure from a grain structure of entirely P-phase grains defined by the metal alloy with the secondary particles into a grain structure with fine a -phase precipitates of the metal alloy throughout the P-phase grains.
20. The method according to claim 14, wherein the primary particles form a metastable P-titanium alloy including beta stabilizing particles.