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|Grade||Impurities % wt max||Mg|
Master alloy standard: HB7264-96
Master alloy Magnesium Neodymium MgNd alloy improve elongation strength
Improve the elongation strength, proof strength ,the anti creep properties under soild solution and precipitation status.
We also produce other alloys :
A series of high-performance magnesium-based alloys was developed after discovery of the extremely efficient grain-refining action of zirconium. This effect results from the formation of high-density tiny zirconium particles in the melt, which act as potent grain nuclei.
Unfortunately, elements such as aluminum and manganese lower the solubility of zirconium in the melt, thus precluding exploitation of the grain-refining mechanism in common aluminum-containing alloys.
Mg-Zn-RE-Zr. Binary Mg-Zn alloys show inferior mechanical properties and castability, but the addition of zirconium for grain refinement and rare earth (RE) elements to reduce microporosity, led to the development of alloys such as EZ33 and ZE41. These alloys have been used widely as sand castings in the T5 condition (cooled and artificially aged) for applications involving exposure to moderately elevated temperature (up to ca. 200 °C). The ZE63 alloy is a high-strength variant in which solution heat treatment in a hydrogen atmosphere is employed to remove some of the embrittling Mg-Zn-RE grain boundary phases. In extrusion, microporosity is of less concern and Mg-Zn-Zr alloys are used without RE additions.
Mg-Ag-RE-Zr. Addition of silver and neodymium-rich misch metal, in addition to zirconium, promotes age hardening efficiently when the alloy is given a full T6 treatment (solution heat-treated and artificially aged). The precipitates formed are relatively stable; the alloy shows high mechanical strength and good creep properties at temperatures approaching 250 °C.
Mg-Y-RE-Zr. The most recently developed alloy system for high-temperature application is based upon additions of yttrium and neodymium-rich misch metal. This alloy system was developed to meet the ever-increasing high-temperature performance requirements of the aerospace industry and may replace the Mg-Ag-RE-Zr and thorium-containing alloys. The alloys must be melted in a special inert atmosphere (argon) and develop their properties by T6 heat treatment
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International Marketing & Sales Department Manager
China Hunan High Broad New Material Co.Ltd.
70 Chezhan North Road,Changsha, China 410100
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