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The corrosion resistance of titanium

[ Source: | Author:This station | Publication Time:2018-12-19 | Browse:634Number ]

Corrosion resistance points at three levels:

Good -- -- -- -- -- - corrosion, corrosion rate below 0.127 mm/year.

Good -- -- -- -- -- - is corrosion resistant, corrosion rate is between 0.127 1.27 mm/year.

Poor -- -- -- -- -- - no, corrosion resistant, corrosion rate in more than 1.27 mm/year.

Pure titanium in most medium, especially in a neutral, oxidizing medium and high corrosion resistance in seawater. The corrosion resistance of titanium in sea water is higher than aluminum alloy, stainless steel and nickel alloy, in industry, agriculture and the Marine environment atmosphere, although several years, the surface does not change color. Hydrofluoric acid, sulfuric acid, hydrochloric acid, orthophosphoric acid and some hot concentrated organic acid corrosion of titanium is bigger, including amino acids, regardless of concentration, temperature, have strong corrosion effect on titanium. Titanium on the stability of various concentration of nitric acid and chromic acid is high, the salt solution and the corrosion resistance of the majority of organic acid, inorganic salt solution is also high.

Titanium is not between local corrosion and corrosion, corrosion is uniform.

The corrosion resistance of titanium alloy and industrial purity close, it is titanium alloy can get widely used in chemical industry and shipbuilding industry.