Titanium's excellent performance-Bango Alloy

Aug. 26, 2011 - PRLog -- 1. A low density, high specific strength
    Titanium density is 4.51g/cm3, above aluminum and below the steel, copper, nickel, but the ratio strength is the first in the metal.

2. The corrosion resistance
Titanium is a very reactive metal, the equilibrium potential is very low, in the medium of the thermodynamic tendency of large corrosion. But in fact titanium is very stable in many media, such as titanium in oxidizing, neutral and weak reducing other media is resistant to corrosion. This is because the titanium and have a great affinity for oxygen in the air or oxygen in the medium, titanium surface layer of dense, strong adhesion, a large inert oxide film to protect the titanium substrate from corrosion. Even if due to mechanical wear and tear will soon heal or regenerate. This shows that titanium is a strong tendency to passivation of the metal. Medium temperature of 315 ℃ the following titanium oxide film has always maintained this characteristic.

In order to improve the corrosion resistance of titanium, developed oxidation, electroplating, plasma spray, ion nitriding, ion implantation and laser processing, surface treatment technology, titanium oxide film has played a role in enhancing the protection, get a desired corrosion resistance effect. For the sulfuric acid, hydrochloric acid, methylamine solution, high temperature hot wet chlorine and chloride in the metal material and other production needs, the development of titanium - molybdenum, titanium - palladium, titanium - molybdenum - a series of corrosion resistant nickel-titanium alloy. -32 Titanium casting using titanium molybdenum alloy, a common occurrence of crevice corrosion or pitting of the environment using a titanium -0.3 -0.8 molybdenum-nickel alloy or titanium partial use of titanium equipment -0.2 palladium alloys, which have received a very good use effect.

3. The heat resistance
    New titanium alloy can be at 600 ℃ or higher temperature long-term use.

4. The low temperature performance
    Titanium TA7 (Ti-5Al-2.5Sn), TC4 (Ti-6Al-4V) and Ti-2.5Zr-1.5Mo titanium alloy as the representatives of the low temperature, its intensity increased with decreasing temperature, but the plastic does not change large. At -196-253 ℃ low temperature to maintain good ductility and toughness, to avoid the metal cold brittleness, low temperature containers, tanks and other equipment ideal material.

5 Strong anti-damping
Titanium by mechanical vibration, electrical vibration, and steel, copper metal, its own vibration attenuation is the longest. The use of titanium can be used for performance tuning fork, medical devices and advanced ultrasonic sound vibration grinder vibration film speakers, etc.

6. Non-magnetic, non-toxic
Titanium is non-magnetic metal, a large magnetic field will not be magnetized, it is non-toxic and have good compatibility with human tissue and blood, so it used by medical profession.

7. Tensile strength close to its yield strength
The performance of titanium shows its yield ratio (tensile strength / yield strength) is high, that shows the titanium material difference in the forming of plastic deformation. As with the yield limit of titanium elastic modulus ratio is so large that when the resilience of titanium forming large.

8. Heat transfer performance
Although the thermal conductivity of titanium is lower than carbon steel and copper, but because of its excellent corrosion resistance, so the wall thickness can be greatly thinned, and the heat transfer surface and the manner of steam dropwise condensation, reduce the heat group, too superficial without fouling thermal resistance can be reduced, so that the heat transfer performance of titanium significantly improved.

9. Low elastic modulus
    Titanium elastic modulus is 106.4GMPa at room temperature, is 57% of steel.

10. Suction performance
Titanium is a very active chemical property metal, at high temperatures can react with many elements and compounds. Titanium suction mainly refers to it react with and carbon, hydrogen, nitrogen, oxygen at high temperature.
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