The influence of pre-deformation on the fracture toughness of chromium, studied by microcantilever bending
September 29-October 4, 2019
Cr is bcc metals, which has a high melting point and high strength. However, its fracture toughness at room temperature is low. This is due to their rather high ductile to brittle transition temperature. At room temperature the fracture toughness is limited by dislocation mobility or by the inability to activate nucleation sources. While this behavior is well characterized for W, there are only few studies for Cr.
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Stefan Gabel, Benoit Merle, Mathias Göken, and Erik Bitzek, "The influence of pre-deformation on the fracture toughness of chromium, studied by microcantilever bending" in "Nanomechanical Testing in Materials Research and Development VII", Jon Molina-Aldareguia, IMDEA-Materials Institute, Spain Eds, ECI Symposium Series, (2019). https://dc.engconfintl.org/nanochemtest_vii/40