Glancing angle EXAFS and x-ray reflectivity are used to study the interface reaction between nickel-chromium alloys and aluminum. the two metals are found to react independently with al, with the first reactions taking place at temperatures similar to those found for the pure metals. this means that ni reacts first with al to form nial3, leaving behind a cr-rich region at the interface. in this cr-rich region some of the ...
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