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Zum Einfluss des Lösungsglühens und Aushärtens auf die Mikrostruktur von ZK40-Legierungen, modifiziert durch Zugaben von Ca, Gd, Nd und Y

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

Authors

  • Ricardo Henrique Buzolin
  • Chamini Lakshi Mendis
  • Domonkos Tolnai
  • Karl Ulrich Kainer
  • Norbert Hort
  • Erenilton Pereira Da Silva
  • Haroldo Cavalcanti Pinto

As-cast ZK40 alloys, modified with the addition of CaO, Gd, Nd and Y were investigated. Solution heat treatments were performed based on differential thermal analysis results. The unmodified ZK40 alloy exhibited microstructure with nearly no intermetallic compound but with precipitates formed during the solution treatment. The modified ZK40 alloys exhibited a semi-dissolved network of intermetallic compounds along the grain boundaries and zones of intermetallic compounds within the grains. Interestingly, no precipitates were observed immediately next to the grain boundaries. The energy dispersive X-ray spectroscopy line scans showed an enrichment of Zn and Zr in the regions where the precipitates are found, suggesting that they are Zn-Zr precipitates. The ageing behaviour was compared between the as-cast and the solution treated materials and it was found that apart from the ZK40-Gd, ZK40-Nd and ZK40-Y aged at 200 °C after solution treatment, there is no notable ageing response for the investigated alloys.

Translated title of the contributionOn the influence of solution and ageing treatments on the microstructure of ZK40 alloys modified with Ca, Gd, Nd and y additions
Original languageGerman
JournalPraktische Metallographie/Practical Metallography
Volume55
Issue number5
Pages (from-to)268-287
Number of pages20
ISSN0032-678X
DOIs
Publication statusPublished - 05.2018
Externally publishedYes

Other publications by the same author(s)

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 GmbH, 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 GmbH, p. 3-8 6 p. (Minerals, Metals and Materials Series).

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

Achieving high mechanical performance of the large-scale sand-casting Mg–4Y–x nd–y Gd–0.4Zr alloys by tailoring Nd and Gd contents

Yang, L., Shi, H., Huang, Y., Wang, K., Dong, X., Wu, H., Lu, C., Gan, W., Maawad, E., Sun, B., Li, Z., Hort, N. & Xiao, L., 05.2024, In: Materials Science and Engineering: A. 900, 10 p., 146476.

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

Corrosion behaviour of electropolished magnesium materials

Kloiber, J., Schultheiß, U., Sotelo, L., Sarau, G., Christiansen, S., Gavras, S., Hort, N. & Hornberger, H., 01.03.2024, In: Materials Today Communications. 38, 14 p., 107983.

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

Effect of Heat Treatment on the Microstructure and Corrosion Properties of Mg–15Dy–1.5Zn Alloy with LPSO Phase

Jiang, G., Huang, Y., Gavras, S., Shi, H. & Hort, N., 01.01.2024, Magnesium Technology 2024. Leonard, A., Barela, S., Neelameggham, N. R., Miller, V. M. & Tolnai, D. (eds.). Cham: Springer Science and Business Media Deutschland GmbH, p. 7-13 7 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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