# US 5,693,157 A · Method of preparing beta titanium-fiber reinforced composite laminates > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,693,157 A - Document ID: US5693157A - Status: Granted - Kind: A - Application number: 08/690,801 - Filed: 1996-08-01 - Granted: 1997-12-02 - Earliest claimed: 1993-10-18 - Assignees: Ticomp, Inc. - Inventors: William R. Kingston - Web page: https://patentgrep.com/patent/US5693157A ## CPC - B32B 15/043: {of metal (B32B15/01 takes precedence)} - A63B 53/12: Metallic shafts - A63B 60/54: with means for damping vibrations - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 15/08: of synthetic resin - B32B 15/14: next to a fibrous or filamentary layer - B32B 38/0036: {Heat treatment (for heating or cooling of layers during lamination B32B37/06, B32B37/08)} - A63B 59/50: Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball - A63B 2102/18: Baseball, rounders or similar games - A63B 2209/02: with reinforcing fibres, e.g. carbon, polyamide fibres - B32B 2038/0016: {Abrading} - B32B 2038/0076: {Curing, vulcanising, cross-linking} - B32B 2262/101: Glass fibres - B32B 2262/106: Carbon fibres, e.g. graphite fibres - B32B 2305/08: Reinforcements - B32B 2311/00: Metals, their alloys or their compounds - B32B 2311/06: Platinum - B32B 2311/18: Titanium - Y10T 428/12444: Embodying fibers interengaged or between layers [e.g., paper, etc.] - Y10T 428/12542: More than one such component - Y10T 428/12569: Synthetic resin - Y10T 428/12806: Refractory [Group IVB, VB, or VIB] metal-base component - Y10T 428/12875: Platinum group metal-base component - Y10T 428/31678: Of metal - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A method of preparing a beta titanium-fiber reinforced composite laminate comprising the steps of, first, providing a beta titanium alloy having a first yield strength to modulus of elasticity ratio; then, heating the beta titanium alloy at a first preselected temperature for a first preselected time to produce a beta titanium alloy having a second yield strength to modulus of elasticity ratio; and then, adhering a fiber reinforced composite having a strength to modulus of elasticity ratio to the beta titanium alloy to produce a beta titanium-fiber reinforced composite laminate; wherein the first preselected temperature and the first preselected time are preselected such that the second yield strength to modulus of elasticity ratio of the beta titanium alloy is substantially similar to the strength to modulus of elasticity ratio of the fiber reinforced composite. ## Claims ### Claim 1 A method of preparing a beta titanium-fiber reinforced composite laminate comprising the steps of: (a) providing a beta titanium alloy having a surface with an area and having a first yield strength to modulus of elasticity ratio; (b) heating the beta titanium alloy at a first temperature for a first time to produce a beta titanium alloy having a second yield strength to modulus of elasticity ratio; and (c) adhering a fiber reinforced composite having a strength to modulus of elasticity ratio to the beta titanium alloy to produce a beta titanium-fiber reinforced composite laminate; wherein the first temperature and the first time are such that the second yield strength to modulus of elasticity ratio of the beta titanium alloy is substantially similar to the strength to modulus of elasticity ratio of the fiber reinforced composite. ### Claim 2 (depends on 1) The method of claim 1, additionally comprising a step of coating the surface of the beta titanium alloy with a noble metal to produce a coated beta titanium alloy after the providing step (a). ### Claim 3 (depends on 2) The method of claim 2, wherein the noble metal is platinum. ### Claim 4 (depends on 1) The method of claim 1, additionally comprising a step of abrading the surface of the beta titanium alloy to increase the area of the surface after the providing step (a). ### Claim 5 (depends on 1) The method of claim 1, additionally comprising a step of priming the surface with a primer after the heating step (b). ### Claim 6 (depends on 5) The method of claim 5, wherein the primer is a low solid, high solvent epoxy glue. ### Claim 7 (depends on 1) The method of claim 1, wherein the adhering step (c) comprises applying an adhesive to the surface of the beta titanium alloy. ### Claim 8 (depends on 1) The method of claim 1, wherein the adhering step (c) comprises heating the beta titanium alloy and the fiber reinforced composite at a second temperature for a second time. ### Claim 9 (depends on 1) The method of claim 1, wherein the beta titanium alloy provided in step (a) is selected from the group consisting of (Ti 15V-3Cr-3Al-3Sn), (Ti 15Mo-3Al-3Nb), (Ti 3Al-8V-6Cr-4Zr-4Mo) and (Ti 13V-11Cr-3Al). ### Claim 10 (depends on 1) The method of claim 1, wherein the fiber reinforced composite of step (c) is selected from the group consisting of graphite reinforced epoxies and S2-glass reinforced epoxies. ### Claim 11 (depends on 1) The method of claim 1, wherein the first temperature of step (b) is approximately 510.degree. C. and the first time of step (b) is approximately 8 hours. ### Claim 12 (depends on 1) The method of claim 1, wherein the second yield strength to modulus of elasticity ratio of the beta titanium alloy produced by step (b) is within about 40% of the strength to modulus of elasticity ratio of the fiber reinforced composite of step (c). ### Claim 13 (depends on 1) The method of claim 1, wherein the second yield strength to modulus of elasticity ratio of the beta titanium alloy produced by step (b) is within about 10% of the strength to modulus of elasticity ratio of the fiber reinforced composite of step (c). ### Claim 14 (depends on 1) A method of making an article of manufacture, comprising the steps of: (i) preparing a beta titanium-fiber reinforced composite laminate according to the method of claim 1; and (ii) incorporating the beta titanium-fiber reinforced composite laminate into the article of manufacture. ### Claim 15 (depends on 14) The method of making an article of manufacture of claim 14, wherein the article of manufacture of step (ii) is selected from the group consisting of a motor vehicle, a golf club, a softball bat, a ski, a surf board, a snow board and a container. ### Claim 16 (depends on 14) The method of making an article of manufacture of claim 14, wherein the article of manufacture of step (ii) is a motor vehicle part. ### Claim 17 A method of preparing a metal-fiber reinforced composite laminate comprising the steps of: (a) providing a metal having a surface with an area and having a first yield strength to modulus of elasticity ratio; (b) heating the metal at a first temperature for a first time to produce a metal having a second yield strength to modulus of elasticity ratio; and (c) adhering a fiber reinforced composite having a strength to modulus of elasticity ratio to the metal to produce a metal-fiber reinforced composite laminate; wherein the first temperature and the first time are such that the second yield strength to modulus of elasticity ratio of the metal is substantially similar to the strength to modulus of elasticity ratio of the fiber reinforced composite; and wherein the metal has a second yield strength to modulus of elasticity ratio that is greater than about 1.2%.