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What is molybdenum yttrium alloy ? Yttrium molybdenum alloy matrix metal is molybdenum in the matrix to the presence of dispersed particles consisting of yttria alloy . Yttrium alloy molybdenum alloy yttria content is generally 0.2% to 1.0% ( mass fraction ) . Yttria (Y2O3) as a white yellowish powder . Melting point : 2415 ℃; Relative density : 5.01 ; Solubility : insoluble in water and alkali , soluble in mineral acids. A French company has developed into a new type of alloy molybdenum yttrium alloy. In addition to the alloy contains certain trioxide Yi , also joined the small amount of potassium. Compared with pure molybdenum , molybdenum yttrium alloy such recrystallization temperature alloys high, and then after a good crystalline structure . Tests showed that pure molybdenum than 1100 ℃ after heating to form equiaxed recrystallized structure formed of an alloy of Mo and Y alloy long and large recrystallized structure after heating at 1750 ℃ half hour ; pure molybdenum was heated again at 1100 ℃ after crystallization , can not withstand the bending jaws 90 ° good . The new extension of the key memory alloy is good, easy molding , high temperature deformation resistance, dimensional stability , long life, is an ideal high-temperature structural materials. Preparation of yttrium-molybdenum alloy wire The two molybdenum oxide powder was immersed in a solution of yttrium nitrate immersion, drying, post-mix were at a temperature of 800 ~ 1000 ℃ hydrogen reduction to obtain a rare earth oxide-doped molybdenum yttria powder; Preparation of yttrium-molybdenum alloy wire Adding molybdenum in the rare earth oxide, yttrium oxide, billet made by powder metallurgy method, by swaging and drawing processing, yttrium alloy wire made of molybdenum. If you are interested in our molybdenum yttrium alloy products, please feel free to e-mail: sales@chinatungsten.com sales@xiamentungsten.com or Phone: 865925129696 contact us. |
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