Materials World Network: U.S.-Japan Research Collaboration in Meta-Magnetic Shape Memory Alloys (MMSMAs) with Enhanced Ductility and Controlled Porosity Ibrahim Karaman , Texas Engineering Experiment Station, DMR 0909170.
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Micro CT image (left) showing interconnected pore structure. X-Ray maps (right) showing that oxygen contamination from space holder and binder materials (top right) can be removed (bottom right) by selecting a specific processing route.
Thermo-Mechanical tests on 50 vol% NiCoMnSn foams showing an increase in fracture strength and less damage (right) compared to a material with a lower strut density (left).