Compression creep at 240°C of extruded magnesium alloys containing gadolinium

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

For uses at high temperatures, magnesium alloys containing rare earths have proven to be very suitable. High proportions of melting precipitates contribute to strengthening, even at temperatures above 200°C. If these alloys are extruded, their creep resistance rises even further due to the resulting fine-grained structure. In this paper, magnesium alloys with 10% Gd and additional small amounts of La and Nd are compared with WE43 for compression creep at temperatures of 240°C and stresses between 80 and 150 MPa. The minimum creep rates are determined and the stress exponent evaluated in accordance with the Norton equation. By calculating the threshold stress, the true stress exponents are determined.

Original languageEnglish
Title of host publicationLight Metals Technology V
EditorsHajo Dieringa, Norbert Hort, Karl Ulrich Kainer
Number of pages4
PublisherTrans Tech Publications Ltd
Publication date2011
Pages270-273
ISBN (print)9783037851807
DOIs
Publication statusPublished - 2011
Externally publishedYes

    Research areas

  • Creep, Extrusion, Gadolinium, Magnesium, Threshold stress
  • Engineering