2016年6月11日星期六

tctitanium have good strength

tctitanium is a lustrous, white metal when pure. Titanium minerals are quite common. The metal has a low density, good strength, is easily fabricated, and has excellent corrosion resistance. The titanium metal sheets burns in air and is the only element that burns in nitrogen. It is marvellous in fireworks. Titanium is resistant to dilute sulphuric and hydrochloric acid, most organic acids, damp chlorine gas, and chloride solutions. Titanium metal is considered to be physiologically inert. Titanium is present in meteorites and in the sun. Some lunar rocks contain high concentrations of the dioxide, TiO2.

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