Thermal cycling and creep studies of AM50+Nd magnesium alloy based carbon fiber, SiC particulate and in-situ Mg2Si reinforced hybrid composites

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

  • Sanjay Kumar Thakur
  • Hajo Dieringa
  • Brij Kumar Dhindaw
  • Norbert Hort
  • Karl Ulrich Kainer

Magnesium based hybrid composites with carbon fiber, SiCp and in-situ Mg2Si reinforcements have been prepared through squeeze infiltration technique. The results of the studies done on measurement of the coefficient of thermal expansion (CTE) after thermal cycling have been presented. In the present paper, an attempt has been made to characterize the micro-structural evolution and the plastic deformation behaviour of these hybrid composites in the as cast condition and after thermal cycling. Attempt has also been made to study the effect of thermal treatment on the thermal expansion behaviour of the AM50 + Nd magnesium based hybrid composites in terms of CTE values. Composites containing Nd show lower values of CTE compared to the base alloy. Further creep compression tests were carried out on these composites. Composites consisting of rare earth element Nd show much better creep properties as compared to the base alloy matrix. Results of creep compression tests carried out for some other Mg and Al base alloys and composites have also been included for comparison.

Original languageEnglish
JournalTransactions of the Indian Institute of Metals
Volume58
Issue number4
Pages (from-to)653-659
Number of pages7
ISSN0972-2815
Publication statusPublished - 08.2005
Externally publishedYes

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