What is it about?
Plasticity, or the hability a material presents to deform without braking, is an important property, which has a complex relationship with the microstructure. The present work is about one of these strange interactions. We show that the microstructure characteristic of duplex stainless steels originates anisotropy, meaning the deformation is different in deferent directions in the material.
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Why is it important?
Plasticity has impact in two instances in Engineering, first, plastic materials are usually less prone to fracture (they have higher toughness) and second, in order to shape a material by a forming process you need plasticity. The most important aspect of our work relates to this second aspect. It is likely that the phenomenon we investigated is one of the responsible for the limited plasticity observed in these materials.
Perspectives
Sometimes we have the satisfaction of meeting an extraordinary student, this is the case of Mr Gallifa. He applied to work in my group as undergraduate exchange student and his results are published in this work. I know he is now working at CERN and has an extraordinary careers ahead of him. It gives me a satisfaction to think that the first article published by what will surely be a world class researcher has me as co-author.
Professor Claudio Geraldo Schön
Universidade de Sao Paulo Campus da Capital
Read the Original
This page is a summary of: Characterization of the anisotropic necking in duplex stainless steels with lamellar microstructures, Materials Science and Engineering A, February 2018, Elsevier,
DOI: 10.1016/j.msea.2018.01.052.
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