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[ ) Classification of titanium alloys ]
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, ) Titanium is an allotrope with a melting point of ℃. When it is lower than ℃, it has a close-packed hexagonal lattice structure, which is called Titanium has a body-centered cubic structure above ℃, which is called titanium. Taking advantage of the different characteristics of the above two structures of titanium, adding appropriate alloying elements will gradually change the phase transformation temperature and phase content to obtain titanium alloys with different structures. At room temperature, titanium alloys have three matrix structures, and titanium alloys are divided into the following three types of alloys, (+) alloys and alloys. China is represented by titanium alloy products and titanium alloy products. . It is a phase with stable structure, higher wear resistance than pure titanium and strong oxidation resistance. At temperatures ranging from ℃ to ℃, it still maintains its strength and creep resistance, but it cannot be strengthened by heat treatment, and its strength at room temperature is not highbr/> .
, )Titanium alloy
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, )+Titanium alloy
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, ) Three titanium alloys The most commonly used ones are titanium alloy and +titanium alloy. Titanium alloy has the best machinability, +titanium alloy comes second, and titanium alloy is the worst. Titanium alloy code is, titanium alloy code is, + titanium alloy code is
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. ) Titanium alloys can be divided into heat-resistant alloys, high-strength alloys, corrosion-resistant alloys (titanium-molybdenum, titanium-palladium alloys) according to their uses. etc.), low-temperature alloys and special functional alloys (titanium-iron hydrogen storage materials and titanium-nickel memory alloys), etc. The composition and properties of typical alloys are shown in the table
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