Scientific blog
PhD report - P. Czaja March 2012 
Tuesday, 27 March, 2012, 11:37
In March while I was nursing my broken right hand (unfortunate fall on a ski slope, which I attempted to challenge perhaps too ambitiously) our research continued. Few samples were sent away for VSM (Vibrating Sample Magnetometer) examination. This method will allow us to study the magnetic properties of our alloys with a particular bias on their magnetocaloric behavior. This nowadays is a hot potato subject. Novel magnetocaloric materials I mean. They are a promising alternative to environment unfriendly and ozone layer harmful Freons commonly utilized for present refrigeration systems. During march as Easter was promptly approaching I studied the annealed and quenched materials by means of optical microscopy. I observed microstructures typical for martenistic phase, which constitutes a direct proof that the martensitic transformation from a higher symmetry parent phase to a lower symmetry marteniste phase takes place in the studied alloys.

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