Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15222
Title: Effect of boron on the fracture behavior and grain boundary chemistry of Ni3Fe
Authors: Liu, Y
Liu, CT
Heatherly, L
George, EP
Keywords: Auger electron spectroscopy
Hydrogen embrittlement
Ni3Fe
Segregation
Issue Date: 2011
Publisher: Pergamon Press
Source: Scripta materialia, 2011, v. 64, no. 3, p. 303-306 How to cite?
Journal: Scripta materialia 
Abstract: The effect of B on the fracture behavior of Ni3Fe alloys (24 and 26 at.% Fe) was studied after cathodic charging with hydrogen. In contrast to its disordered state, ordered Ni3Fe underwent brittle intergranular fracture at room temperature. Boron addition changed its fracture mode to predominantly ductile transgranular. The grain boundary chemistry of ordered Ni3Fe was analyzed by Auger electron spectroscopy. Boron was found to segregate to the grain boundaries of both Ni-24Fe and Ni-26Fe and reduce the hydrogen-induced embrittlement of these alloys in the ordered state.
URI: http://hdl.handle.net/10397/15222
ISSN: 1359-6462
EISSN: 1872-8456
DOI: 10.1016/j.scriptamat.2010.08.027
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