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Magnesium takes on aluminum and steel

U.K.-based Keronite PLC and Thixomat Inc., Ann Arbor, Mich., have joined forces to produce electrolytic-treated Thixomolded magnesium alloy parts. Keronite surface treatment quickly converts the surface of light alloys into a dense, hard ceramic oxide. The 5 to 50- m-thick layers have porous surfaces that accept topcoats and a hardness of between 36 and 55 Rc. Ann Arbor, Mich., have joined forces to produce electrolytic-treated Thixomolded magnesium alloy parts. The Keronite surface treatment reportedly will let magnesium gain a foothold in automotive applications where conventional magnesium alloys are too soft. is well known for producing near-net shapes that need little finishing — molded parts have smoother surfaces than conventional castings, without flow marks. Surfaces also have lower porosity and fewer defects and, thus, better mechanical properties than die-cast magnesium. That's because
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Magnesium and magnesium alloys are nonferrous metals with low density, good ductility, moderate strength, and good corrosion resistance.
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NADCA - The North American Die Casting Association - NADCA Product Standards for Die Castings
This manual covers specification, design and production guidance for both users and manufacturers of conventional high pressure die castings. The manual presents tooling and processes information,... (read more)
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