Tracking the evolution of intergranular corrosion through twin-related domains in grain boundary networks

Christopher  Barr; Sebastian Thomas; James Hart; Wayne Harlow; Elaf Anber; Mitra Taheri

doi:10.1038/s41529-018-0032-7

Tracking the evolution of intergranular corrosion through twin-related domains in grain boundary networks

Christopher Barr, Sebastian Thomas, James Hart, Wayne Harlow, Elaf Anber, Mitra Taheri

Materials Science & Engineering

Research output: Contribution to journal › Article › Research › peer-review

46 Citations (Scopus)

Abstract

Tailoring the grain boundary network is desired to improve grain boundary-dependent phenomena such as intergranular corrosion. An important grain boundary network descriptor in heavily twinned microstructures is the twin-related domain, a cluster of twin-related grains. We indicate the advantages of using twin-related domains and subsequent statistics to provide new insight into how a grain boundary networks respond to intergranular corrosion in a heavily twinned grain boundary engineered 316L stainless steel. The results highlight that intergranular corrosion is typically arrested inside twin-related domains at coherent twins or low-angle grain boundaries. Isolated scenarios exist, however, where intergranular corrosion propagation persists in the grain boundary network through higher-order twin-related boundaries.

Original language	English
Article number	14
Number of pages	10
Journal	npj Materials Degradation
Volume	2
Issue number	1
DOIs	https://doi.org/10.1038/s41529-018-0032-7
Publication status	Published - Dec 2018

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title = "Tracking the evolution of intergranular corrosion through twin-related domains in grain boundary networks",

abstract = "Tailoring the grain boundary network is desired to improve grain boundary-dependent phenomena such as intergranular corrosion. An important grain boundary network descriptor in heavily twinned microstructures is the twin-related domain, a cluster of twin-related grains. We indicate the advantages of using twin-related domains and subsequent statistics to provide new insight into how a grain boundary networks respond to intergranular corrosion in a heavily twinned grain boundary engineered 316L stainless steel. The results highlight that intergranular corrosion is typically arrested inside twin-related domains at coherent twins or low-angle grain boundaries. Isolated scenarios exist, however, where intergranular corrosion propagation persists in the grain boundary network through higher-order twin-related boundaries.",

author = "Christopher Barr and Sebastian Thomas and James Hart and Wayne Harlow and Elaf Anber and Mitra Taheri",

note = "Funding Information: C.M.B. and M.L.T. acknowledge technical assistance in corrosion testing from Thomas Worley, Carpenter Technology (Reading, PA). C.M.B., J.L.H., W.H., E.A., and M.L.T. acknowledge funding from NSF Early Career Award Program (Grant \#115087). Yao Qiu and Shravan Kairy are gratefully acknowledged for their technical assistance with the DL-EPR tests. Publisher Copyright: {\textcopyright} 2018, The Author(s).",

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doi = "10.1038/s41529-018-0032-7",

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AU - Hart, James

AU - Harlow, Wayne

AU - Anber, Elaf

AU - Taheri, Mitra

N1 - Funding Information: C.M.B. and M.L.T. acknowledge technical assistance in corrosion testing from Thomas Worley, Carpenter Technology (Reading, PA). C.M.B., J.L.H., W.H., E.A., and M.L.T. acknowledge funding from NSF Early Career Award Program (Grant #115087). Yao Qiu and Shravan Kairy are gratefully acknowledged for their technical assistance with the DL-EPR tests. Publisher Copyright: © 2018, The Author(s).

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N2 - Tailoring the grain boundary network is desired to improve grain boundary-dependent phenomena such as intergranular corrosion. An important grain boundary network descriptor in heavily twinned microstructures is the twin-related domain, a cluster of twin-related grains. We indicate the advantages of using twin-related domains and subsequent statistics to provide new insight into how a grain boundary networks respond to intergranular corrosion in a heavily twinned grain boundary engineered 316L stainless steel. The results highlight that intergranular corrosion is typically arrested inside twin-related domains at coherent twins or low-angle grain boundaries. Isolated scenarios exist, however, where intergranular corrosion propagation persists in the grain boundary network through higher-order twin-related boundaries.

AB - Tailoring the grain boundary network is desired to improve grain boundary-dependent phenomena such as intergranular corrosion. An important grain boundary network descriptor in heavily twinned microstructures is the twin-related domain, a cluster of twin-related grains. We indicate the advantages of using twin-related domains and subsequent statistics to provide new insight into how a grain boundary networks respond to intergranular corrosion in a heavily twinned grain boundary engineered 316L stainless steel. The results highlight that intergranular corrosion is typically arrested inside twin-related domains at coherent twins or low-angle grain boundaries. Isolated scenarios exist, however, where intergranular corrosion propagation persists in the grain boundary network through higher-order twin-related boundaries.

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Tracking the evolution of intergranular corrosion through twin-related domains in grain boundary networks

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