Weldable Ductile Molybdenum Alloy Development, 2013-II

Molybdenum alloys which have been produced containing controlled additions of B, C, Zr, and Al were characterized with respect to their tensile properties, smooth bend properties, and impact energy for both the base metal and welds.

These alloys were compared with a very high purity low carbon arc cast molybdenum reference. For discussion purposes the alloys produced are separated into two categories: Mo–Al– B alloys, and Mo–Zr–B alloys.

The properties of Mo–Zr–B alloywelds containing higher carbon levels exhibited slight improvement over unalloyed molybdenum, though the base-metal properties for all Mo–Zr–B alloys were somewhat inconsistent with properties better, or worse, than unalloyed molybdenum.


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