Physical properties of 3D printing Ti6Al4V powder TC4 powder:
1. Small deformation coefficient: This is a significant feature of TC4 titanium alloy cutting processing, and the deformation coefficient is less than or close to 1. The sliding friction distance of chips on the rake face is greatly increased, which accelerates tool wear.
2. High cutting temperature: As the thermal conductivity of titanium alloy is very small (only equivalent to 1/5～1/7 of No. 45 steel), the contact length between the chip and the rake face is extremely short, and the heat generated during cutting is not easily transmitted. , Concentrated in a small area near the cutting area and the cutting edge, the cutting temperature is very high. Under the same cutting conditions, the cutting temperature can be more than twice as high as when cutting No. 45 steel.
3. Large cutting force per unit area: The main cutting force is about 20% smaller than when cutting steel. Because the contact length between the chip and the rake face is extremely short, the cutting force per unit contact area is greatly increased, which is likely to cause chipping.
Mechanical properties of 3D printing Ti6Al4V powder TC4 powder:
Tensile strength of 3D printing Ti6Al4V powder TC4 powder: σb≥895Mpa, yield strength σb≥828Mpaσ: elongation: δ≥10%.
The corrosion resistance of 3D printing Ti6Al4V powder TC4 powder:
Although titanium alloy is very active, has a low equilibrium potential, and has a large thermodynamic corrosion tendency in the medium, it is actually very stable in many media, such as oxidizing, neutral, and weak reduction It is corrosion-resistant in media such as sex. This is because titanium and oxygen have a great affinity. In the air or in an oxygen-containing medium, a dense, strong adhesion and an inert oxide film are formed on the surface of titanium, which protects the titanium matrix from corrosion. Even due to mechanical wear, it will quickly heal itself or regenerate.
3D printing Ti6Al4V powder TC4 powder application areas:
Aerospace, petroleum drilling, chemical equipment, sporting goods, marine ships, etc.
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