RELATION BETWEEN ELECTROCHEMICAL REACTIVITY AND STRUCTURE OF GRAIN BOUNDARIES CORRELATED TO INTERGRANULAR SULFUR SEGREGATION IN ULTRA PURE NICKEL

1 April 1985

journal article
Published by EDP Sciences in Le Journal de Physique Colloques

Vol. 46 (C4) , C4-505
https://doi.org/10.1051/jphyscol:1985456

Abstract

In a ultra pure nickel doped with 8 and 16 ppm of sulfur, we have determined the kineticsand equilibrium state of segregated sulfur at grain boundaries by electrochemical corrosion test. The undoped nickel and the highest segregated specimen are observed in transmission electron mi croscopy in order to correlate the structural histogram with electrochemical reactivity study and analytical scanning transmission electron microscope experiments.

Keywords

GRAIN BOUNDARIES
ULTRA PURE
PURE NICKEL
SULFUR SEGREGATION
BOUNDARIES CORRELATED
INTERGRANULAR SULFUR
ELECTROCHEMICAL REACTIVITY
STRUCTURE

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