Master alloy is a kind of special alloy which takes a metal as the matrix and adds one or several elements to it to solve the problems such as easy to burn, high melting point, high density and easy segregation of the elements or to improve the alloy performance. It is an additive functional materi..
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Magnesium alloy is the lightest metal structure material used in aircraft, spacecraft and rocket missile manufacturing industry. Magnesium is lighter in weight than aluminum, with a specific gravity of 1.8 and a lower strength, only 200-300 MPa (20-30 kg / mm2). It is mainly used to manufacture par..
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Rare earth metals, also known as rare earth elements, are the general name of 17 elements of scandium, yttrium and lanthanide in Group IIB of the periodic table of elements, which are commonly expressed by R or re. From the discovery of the first rare earth element yttrium in 1794 to the discovery ..
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