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Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Standard

Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422. / Dieringa, Hajo; Hort, Norbert; Kainer, Karl Ulrich.
AMI Light Metals Conference 2014. ed. / Ulyate A. Curle; Heinrich Möller. Trans Tech Publications Ltd, 2014. p. 177-183 (Advanced Materials Research; Vol. 1019).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Harvard

Dieringa, H, Hort, N & Kainer, KU 2014, Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422. in UA Curle & H Möller (eds), AMI Light Metals Conference 2014. Advanced Materials Research, vol. 1019, Trans Tech Publications Ltd, pp. 177-183, AMI Light Metals Conference 2014, North West Province, South Africa, 15.10.14. https://doi.org/10.4028/www.scientific.net/AMR.1019.177

APA

Dieringa, H., Hort, N., & Kainer, K. U. (2014). Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422. In U. A. Curle, & H. Möller (Eds.), AMI Light Metals Conference 2014 (pp. 177-183). (Advanced Materials Research; Vol. 1019). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/AMR.1019.177

Vancouver

Dieringa H, Hort N, Kainer KU. Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422. In Curle UA, Möller H, editors, AMI Light Metals Conference 2014. Trans Tech Publications Ltd. 2014. p. 177-183. (Advanced Materials Research). doi: 10.4028/www.scientific.net/AMR.1019.177

Bibtex

@inbook{1ba544fc805044bc8244ed85436dbb23,
title = "Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422",
abstract = "Magnesium alloys have been finding increasingly more types of application in the automotive and aerospace industries for over twenty years. Despite the fact conventional magnesium alloys have limited high-temperature strength and creep resistance, especially when they contain aluminium as an alloying element. Aluminium is necessary to improve the castability when high-pressure die casting is the favoured process. Applications with higher operating temperatures require additional alloy elements, which form precipitates with the aluminium during solidification and therefore prevent the formation of Mg17Al12, which is responsible for the low creep resistance of magnesium alloys that contain aluminium. The precipitates formed may also strengthen grain boundaries and so improve the creep strength. Barium and calcium were investigated as elements in a magnesium alloy containing aluminium (DieMag422: 4 wt.-% Al, 2 wt.-% Ba, 2 wt.-% Ca). The compression creep strength was compared at 240°C for stresses between 60 and 120 MPa with two commercial creep-resistant magnesium alloys, AE42 and MRI230D. The stress exponents were calculated from the stress dependence of the minimum creep rate. The concept of a threshold stress was applied and true stress exponents nt close to 5 were found. The new alloy DieMag422 exhibits improved creep strength compared to both commercial alloys and also has proven it is die castable.",
keywords = "Barium, Calcium, Creep resistance, Die casting, Precipitation strengthening, Engineering",
author = "Hajo Dieringa and Norbert Hort and Kainer, {Karl Ulrich}",
year = "2014",
doi = "10.4028/www.scientific.net/AMR.1019.177",
language = "English",
isbn = "9783038352341",
series = "Advanced Materials Research",
publisher = "Trans Tech Publications Ltd",
pages = "177--183",
editor = "Curle, {Ulyate A.} and Heinrich M{\"o}ller",
booktitle = "AMI Light Metals Conference 2014",
address = "Switzerland",
note = "AMI Light Metals Conference 2014 ; Conference date: 15-10-2014 Through 17-10-2014",

}

RIS

TY - CHAP

T1 - Microstructure and compression creep strength of the newly developed magnesium alloy DieMag422

AU - Dieringa, Hajo

AU - Hort, Norbert

AU - Kainer, Karl Ulrich

PY - 2014

Y1 - 2014

N2 - Magnesium alloys have been finding increasingly more types of application in the automotive and aerospace industries for over twenty years. Despite the fact conventional magnesium alloys have limited high-temperature strength and creep resistance, especially when they contain aluminium as an alloying element. Aluminium is necessary to improve the castability when high-pressure die casting is the favoured process. Applications with higher operating temperatures require additional alloy elements, which form precipitates with the aluminium during solidification and therefore prevent the formation of Mg17Al12, which is responsible for the low creep resistance of magnesium alloys that contain aluminium. The precipitates formed may also strengthen grain boundaries and so improve the creep strength. Barium and calcium were investigated as elements in a magnesium alloy containing aluminium (DieMag422: 4 wt.-% Al, 2 wt.-% Ba, 2 wt.-% Ca). The compression creep strength was compared at 240°C for stresses between 60 and 120 MPa with two commercial creep-resistant magnesium alloys, AE42 and MRI230D. The stress exponents were calculated from the stress dependence of the minimum creep rate. The concept of a threshold stress was applied and true stress exponents nt close to 5 were found. The new alloy DieMag422 exhibits improved creep strength compared to both commercial alloys and also has proven it is die castable.

AB - Magnesium alloys have been finding increasingly more types of application in the automotive and aerospace industries for over twenty years. Despite the fact conventional magnesium alloys have limited high-temperature strength and creep resistance, especially when they contain aluminium as an alloying element. Aluminium is necessary to improve the castability when high-pressure die casting is the favoured process. Applications with higher operating temperatures require additional alloy elements, which form precipitates with the aluminium during solidification and therefore prevent the formation of Mg17Al12, which is responsible for the low creep resistance of magnesium alloys that contain aluminium. The precipitates formed may also strengthen grain boundaries and so improve the creep strength. Barium and calcium were investigated as elements in a magnesium alloy containing aluminium (DieMag422: 4 wt.-% Al, 2 wt.-% Ba, 2 wt.-% Ca). The compression creep strength was compared at 240°C for stresses between 60 and 120 MPa with two commercial creep-resistant magnesium alloys, AE42 and MRI230D. The stress exponents were calculated from the stress dependence of the minimum creep rate. The concept of a threshold stress was applied and true stress exponents nt close to 5 were found. The new alloy DieMag422 exhibits improved creep strength compared to both commercial alloys and also has proven it is die castable.

KW - Barium

KW - Calcium

KW - Creep resistance

KW - Die casting

KW - Precipitation strengthening

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84922470464&partnerID=8YFLogxK

U2 - 10.4028/www.scientific.net/AMR.1019.177

DO - 10.4028/www.scientific.net/AMR.1019.177

M3 - Article in conference proceedings

AN - SCOPUS:84922470464

SN - 9783038352341

T3 - Advanced Materials Research

SP - 177

EP - 183

BT - AMI Light Metals Conference 2014

A2 - Curle, Ulyate A.

A2 - Möller, Heinrich

PB - Trans Tech Publications Ltd

T2 - AMI Light Metals Conference 2014

Y2 - 15 October 2014 through 17 October 2014

ER -

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Zhang, Y., Cao, J., Liu, H., Wang, C., Chu, C., Xue, F., Willumeit-Römer, R., Hort, N., Huang, Y. & Bai, J., 05.2025, In: Journal of Magnesium and Alloys. 13, 5, p. 2103-2119 17 p.

Research output: Journal contributions › Journal articles › Research › peer-review

Insight into the self-healing performance of dicalcium phosphate dihydrate coating on magnesium wires: Its damage and anti-corrosive behavior under deformation

Zhang, Y., Nie, T., Chen, D., Jiang, G., Xu, W., Liu, H., Qian, K., Ju, J., Chu, C., Xue, F., Huang, Y., Hort, N. & Bai, J., 09.2025, In: Corrosion Science. 254, 17 p., 113051.

Research output: Journal contributions › Journal articles › Research › peer-review

Microstructure-Oriented Fatigue Crack Propagation in Two Cast Mg–Al–Ba–Ca Alloys

Maier, P., Wolfram, B., Roggelin, J. & Hort, N., 2025, Magnesium Technology 2025. Tolnai, D., Palumbo, A., Leonard, A. & Neelameggham, N. R. (eds.). Springer Science and Business Media Deutschland, p. 87-96 10 p. (Minerals, Metals and Materials Series).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

The Role of Geometry in Mg Implant Design

Hort, N., Wiese, B., Witte, F. & Maier, P., 2025, Magnesium Technology 2025. Tolnai, D., Palumbo, A., Leonard, A. & Neelameggham, N. R. (eds.). Cham: Springer Science and Business Media Deutschland, p. 3-8 6 p. (Minerals, Metals and Materials Series).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

Utilizing Synchrotron Radiation for Phase Identification in Mg Alloys

Szakács, G., Tolnai, D., Wiese, B. & Hort, N., 2025, TMS 2025 154th Annual Meeting and Exhibition Supplemental Proceedings. Cham: Springer Nature, p. 1587-1599 13 p. (Minerals, Metals and Materials Series).

Research output: Contributions to collected editions/works › Article in conference proceedings › Research › peer-review

DOI

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