Titanium alloy TC4 material is composed of Ti-6Al-4V, belonging to（ α+β) Type I titanium alloy, with good comprehensive mechanical properties. High specific strength. The strength sb of TC4=1.012GPa, density g=4.4 * 103, and specific strength sb/g=23.5, while the specific strength sb/g of alloy steel is less than 18. The thermal conductivity of titanium alloy is low. The thermal conductivity of titanium alloy is 1/5 of iron and 1/10 of aluminum, and the thermal conductivity of TC4 is l=7.955W/m · K.

1) TC4 thermal expansion coefficient:

Medical titanium material It has a series of advantages such as excellent corrosion resistance, small density, high specific strength, good toughness and weldability, and has been successfully applied in aerospace, petrochemical, shipbuilding, automobile, medicine and other departments.

2) Mechanical properties of TC4 titanium alloy:

tensile strength σ B/MPa ≥ 895, specified residual elongation stress σ R0.2/MPa ≥ 825, elongation δ 5 (%) ≥ 10, reduction of area ψ (%)≥25

3) Chemical composition of TC4 titanium alloy:

TC4 titanium (Ti) margin, iron (Fe) ≤ 0.30, carbon (C) ≤ 0.10, nitrogen (N) ≤ 0.05, hydrogen (H) ≤ 0.015, oxygen (O) ≤ 0.20, aluminum (Al) 5.5~6.8, vanadium (V) 3.5~4.5

purpose

Due to its good comprehensive properties and excellent corrosion resistance, industrial pure titanium has become an indispensable structural material for many industrial parts. As a biological implant material, it has been widely used in clinic since the 1960s. Among all commonly used implant metal materials, titanium has good biocompatibility, and because its density and elasticity are close to human bone, and it is nonmagnetic, titanium is a promising bioengineering material among stainless steel, cobalt chromium molybdenum alloy and titanium. The application of titanium has solved many major engineering and technical problems, promoted scientific and technological progress, and brought obvious economic benefits. The excellent performance and huge potential of titanium also show a broader prospect of its application.

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