Solid solution treatment on strength and corrosion of biodegradable Mg6Ag wires

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Solid solution treatment on strength and corrosion of biodegradable Mg6Ag wires. / Maier, P.; Zimmermann, F.; Rinne, M. et al.
In: Materials and Corrosion, Vol. 69, No. 2, 01.02.2018, p. 178-190.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Maier P, Zimmermann F, Rinne M, Szakács G, Hort N, Vogt C. Solid solution treatment on strength and corrosion of biodegradable Mg6Ag wires. Materials and Corrosion. 2018 Feb 1;69(2):178-190. doi: 10.1002/maco.201709502

Bibtex

@article{8ebded07023c4db09642924a32924d08,
title = "Solid solution treatment on strength and corrosion of biodegradable Mg6Ag wires",
abstract = "A warm-drawn Mg6Ag wire with a diameter of 1.6 mm is investigated by immersion tests in Ringer solution in two conditions: as-drawn and solution heat-treated wire. The initial as-drawn condition showed higher strength in comparison to the solution heat-treated one. As-drawn wire has heavily twinned grains. Heat treatment causes slight grain growth, but less microgalvanic corrosion due to dissolved second phases and a significantly reduction of twin boundaries. The mean corrosion rate decreases by more than half by the heat treatment resulting in higher remaining mechanical properties. The mean corrosion rate also decreases with corrosion time, slightly more for the heat-treated condition. Pitting corrosion was still present after solution heat treatment, although the pit shape is less harmful. The corroded wires and corrosion products were analysed qualitatively and quantitatively by SEM imaging and ICP-OES with focus on the exposure time. Mg6Ag wires corrode under forming Mg(OH)2, CaCO3 and AgCl, SEM imaging proves higher corrosion resistance of heat-treated Mg6Ag. Chemical analysis of wires, corrosion products and corrosion media offer to describe the time-dependent mechanism.",
keywords = "corrosion, magnesium wire, pitting, silver, solution heat treatment, Engineering",
author = "P. Maier and F. Zimmermann and M. Rinne and G. Szak{\'a}cs and N. Hort and C. Vogt",
year = "2018",
month = feb,
day = "1",
doi = "10.1002/maco.201709502",
language = "English",
volume = "69",
pages = "178--190",
journal = "Materials and Corrosion",
issn = "0947-5117",
publisher = "John Wiley & Sons Inc.",
number = "2",

}

RIS

TY - JOUR

T1 - Solid solution treatment on strength and corrosion of biodegradable Mg6Ag wires

AU - Maier, P.

AU - Zimmermann, F.

AU - Rinne, M.

AU - Szakács, G.

AU - Hort, N.

AU - Vogt, C.

PY - 2018/2/1

Y1 - 2018/2/1

N2 - A warm-drawn Mg6Ag wire with a diameter of 1.6 mm is investigated by immersion tests in Ringer solution in two conditions: as-drawn and solution heat-treated wire. The initial as-drawn condition showed higher strength in comparison to the solution heat-treated one. As-drawn wire has heavily twinned grains. Heat treatment causes slight grain growth, but less microgalvanic corrosion due to dissolved second phases and a significantly reduction of twin boundaries. The mean corrosion rate decreases by more than half by the heat treatment resulting in higher remaining mechanical properties. The mean corrosion rate also decreases with corrosion time, slightly more for the heat-treated condition. Pitting corrosion was still present after solution heat treatment, although the pit shape is less harmful. The corroded wires and corrosion products were analysed qualitatively and quantitatively by SEM imaging and ICP-OES with focus on the exposure time. Mg6Ag wires corrode under forming Mg(OH)2, CaCO3 and AgCl, SEM imaging proves higher corrosion resistance of heat-treated Mg6Ag. Chemical analysis of wires, corrosion products and corrosion media offer to describe the time-dependent mechanism.

AB - A warm-drawn Mg6Ag wire with a diameter of 1.6 mm is investigated by immersion tests in Ringer solution in two conditions: as-drawn and solution heat-treated wire. The initial as-drawn condition showed higher strength in comparison to the solution heat-treated one. As-drawn wire has heavily twinned grains. Heat treatment causes slight grain growth, but less microgalvanic corrosion due to dissolved second phases and a significantly reduction of twin boundaries. The mean corrosion rate decreases by more than half by the heat treatment resulting in higher remaining mechanical properties. The mean corrosion rate also decreases with corrosion time, slightly more for the heat-treated condition. Pitting corrosion was still present after solution heat treatment, although the pit shape is less harmful. The corroded wires and corrosion products were analysed qualitatively and quantitatively by SEM imaging and ICP-OES with focus on the exposure time. Mg6Ag wires corrode under forming Mg(OH)2, CaCO3 and AgCl, SEM imaging proves higher corrosion resistance of heat-treated Mg6Ag. Chemical analysis of wires, corrosion products and corrosion media offer to describe the time-dependent mechanism.

KW - corrosion

KW - magnesium wire

KW - pitting

KW - silver

KW - solution heat treatment

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85024375985&partnerID=8YFLogxK

U2 - 10.1002/maco.201709502

DO - 10.1002/maco.201709502

M3 - Journal articles

AN - SCOPUS:85024375985

VL - 69

SP - 178

EP - 190

JO - Materials and Corrosion

JF - Materials and Corrosion

SN - 0947-5117

IS - 2

ER -

DOI