Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Standard

Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91. / Zander, Daniela; Heilig, Meredith; Hort, Norbert et al.
Light Metals Technology V. Hrsg. / Hajo Dieringa; Nobert Hort; Karl Ulrich Kainer. Trans Tech Publications Ltd, 2011. S. 381-384 (Materials Science Forum; Band 690).

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Harvard

Zander, D, Heilig, M, Hort, N, Klaus, G, B̈hrig-Polaczek, A, Gröbner, J & Schmid-Fetzer, R 2011, Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91. in H Dieringa, N Hort & KU Kainer (Hrsg.), Light Metals Technology V. Materials Science Forum, Bd. 690, Trans Tech Publications Ltd, S. 381-384. https://doi.org/10.4028/www.scientific.net/MSF.690.381

APA

Zander, D., Heilig, M., Hort, N., Klaus, G., B̈hrig-Polaczek, A., Gröbner, J., & Schmid-Fetzer, R. (2011). Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91. In H. Dieringa, N. Hort, & K. U. Kainer (Hrsg.), Light Metals Technology V (S. 381-384). (Materials Science Forum; Band 690). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.690.381

Vancouver

Zander D, Heilig M, Hort N, Klaus G, B̈hrig-Polaczek A, Gröbner J et al. Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91. in Dieringa H, Hort N, Kainer KU, Hrsg., Light Metals Technology V. Trans Tech Publications Ltd. 2011. S. 381-384. (Materials Science Forum). doi: 10.4028/www.scientific.net/MSF.690.381

Bibtex

@inbook{b8cc24b7f8de40adbd04d4b6ec82b2ba,
title = "Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91",
abstract = "Investigations of AZ91D revealed a strong influence of mainly the following microstructural parameters on corrosion: porosity, the eutectic, the Al-content of the Mg-phase as well as the volume fraction and distribution of gamma-Al12Mg17. Further an improved corrosion resistance was observed by the addition of rare earth elements. The influence of Ce on microstructure and corrosion of sand cast and high pressure die cast AZ91D with 0.5-2.0 wt.% Ce was investigated by SEM before and after potentiodynamic polarization measurements in pH7.5 (bi-distilled water adjusted with KOH). It was observed that Ce significantly improved the corrosion resistance by changing the microstructure. A strong influence of Ce on the average grain size, the fraction of the eutectic, changes in morphology and/or volume fraction of gamma Al12Mg17 and formation of a Cerich intermetallic phase was observed. Therefore, not only the chemical composition but also the change of microstructure and the formation of micro-galvanic elements influence the local corrosion mechanism of AZ91D with cerium.",
keywords = "AZ91D, Cerium, Corrosion, Microstructure, Engineering",
author = "Daniela Zander and Meredith Heilig and Norbert Hort and Gerald Klaus and Andreas {\"B}hrig-Polaczek and Joachim Gr{\"o}bner and Rainer Schmid-Fetzer",
year = "2011",
doi = "10.4028/www.scientific.net/MSF.690.381",
language = "English",
isbn = "9783037851807",
series = "Materials Science Forum",
publisher = "Trans Tech Publications Ltd",
pages = "381--384",
editor = "Hajo Dieringa and Nobert Hort and Kainer, {Karl Ulrich}",
booktitle = "Light Metals Technology V",
address = "Switzerland",

}

RIS

TY - CHAP

T1 - Influence of cerium on the formation of micro-galvanic corrosion elements of AZ91

AU - Zander, Daniela

AU - Heilig, Meredith

AU - Hort, Norbert

AU - Klaus, Gerald

AU - B̈hrig-Polaczek, Andreas

AU - Gröbner, Joachim

AU - Schmid-Fetzer, Rainer

PY - 2011

Y1 - 2011

N2 - Investigations of AZ91D revealed a strong influence of mainly the following microstructural parameters on corrosion: porosity, the eutectic, the Al-content of the Mg-phase as well as the volume fraction and distribution of gamma-Al12Mg17. Further an improved corrosion resistance was observed by the addition of rare earth elements. The influence of Ce on microstructure and corrosion of sand cast and high pressure die cast AZ91D with 0.5-2.0 wt.% Ce was investigated by SEM before and after potentiodynamic polarization measurements in pH7.5 (bi-distilled water adjusted with KOH). It was observed that Ce significantly improved the corrosion resistance by changing the microstructure. A strong influence of Ce on the average grain size, the fraction of the eutectic, changes in morphology and/or volume fraction of gamma Al12Mg17 and formation of a Cerich intermetallic phase was observed. Therefore, not only the chemical composition but also the change of microstructure and the formation of micro-galvanic elements influence the local corrosion mechanism of AZ91D with cerium.

AB - Investigations of AZ91D revealed a strong influence of mainly the following microstructural parameters on corrosion: porosity, the eutectic, the Al-content of the Mg-phase as well as the volume fraction and distribution of gamma-Al12Mg17. Further an improved corrosion resistance was observed by the addition of rare earth elements. The influence of Ce on microstructure and corrosion of sand cast and high pressure die cast AZ91D with 0.5-2.0 wt.% Ce was investigated by SEM before and after potentiodynamic polarization measurements in pH7.5 (bi-distilled water adjusted with KOH). It was observed that Ce significantly improved the corrosion resistance by changing the microstructure. A strong influence of Ce on the average grain size, the fraction of the eutectic, changes in morphology and/or volume fraction of gamma Al12Mg17 and formation of a Cerich intermetallic phase was observed. Therefore, not only the chemical composition but also the change of microstructure and the formation of micro-galvanic elements influence the local corrosion mechanism of AZ91D with cerium.

KW - AZ91D

KW - Cerium

KW - Corrosion

KW - Microstructure

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=79960424144&partnerID=8YFLogxK

U2 - 10.4028/www.scientific.net/MSF.690.381

DO - 10.4028/www.scientific.net/MSF.690.381

M3 - Article in conference proceedings

AN - SCOPUS:79960424144

SN - 9783037851807

T3 - Materials Science Forum

SP - 381

EP - 384

BT - Light Metals Technology V

A2 - Dieringa, Hajo

A2 - Hort, Nobert

A2 - Kainer, Karl Ulrich

PB - Trans Tech Publications Ltd

ER -

DOI