Ti-6Al-4V
Ti-6Al-4V (UNS designation R56400) is an alpha-beta titanium alloy featuring high strength, low weight ratio and excellent corrosion resistance. It is one of the most commonly used titanium alloys and is applied in a wide range of applications where low density and excellent corrosion resistance is necessary such as e.g. aerospace industry and biomechanical applications (implants and prostheses).
Chemistry
(in wt. %)[1]
| V | AL | Fe | O | C | N | H | Y | Ti | Remainder Each | Remainder Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 3.5 | 5.5 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Max | 4.5 | 6.75 | .3 | .2 | .08 | .05 | .015 | .005 | Balance | .1 | .3 |
Physical and Mechanical Properties
While mechanical properties are a function of the heat treatment condition of the alloy and can vary based upon properties, typical property ranges for well-processed Ti-6Al-4V are shown below.[2][3][4]
| Density | Young's Modulus, GPa | Shear Modulus, GPa | Bulk Modulus,GPa | Poisson's Ratio | Yield Strength, MPa (Tensile) | Ultimate Strength, MPa (Tensile) | Hardness, Rockwell C | Uniform Elongation, % | |
|---|---|---|---|---|---|---|---|---|---|
| Min | 4.429 | 104 | 40 | 96.8 | 0.31 | 880 | 900 | 36 (Typical) | 5 |
| Max | 4.512 | 113 | 45 | 153 | 0.37 | 920 | 950 | -- | 18 |
Applications
- Implants and prostheses (wrought, cast or by Solid Freeform Fabrication Solid (SFF))[5]
- Additive Manufacturing[6]
- Parts and prototypes for racing and aerospace industry. Used extensively within the Boeing 787 aircraft.
- Marine applications
- Chemical industry
- Gas turbines
Specifications
- AMS: 4911
- UNS: R56400
References
- ↑ "ASTM Compass, Standard Specification for Wrought Ti-6Al-4V Alloy for Surgical Implant Applications. (UNS R56400)" (PDF). ASTM Compass.
- ↑ "Titanium Ti-6Al-4V (Grade 5), Annealed". asm.matweb.com. ASM Aerospace Specification Metals, Inc. Retrieved 14 March 2017.
- ↑ "Titanium Alloy Ti 6Al-4V Technical Data Sheet". cartech.com. Carpenter Technology Corporation. Retrieved 14 March 2017.
- ↑ "AZoM Become a Member Search... Search Menu Properties This article has property data, click to view Titanium Alloys - Ti6Al4V Grade 5". www.azom.com. AZO Materials. Retrieved 14 March 2017.
- ↑ "Ti6Al4V Titanium Alloy" (PDF). Arcam.
- ↑ "Ti64 Titanium Alloy Powder". Tekna.
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