Steady state rheological behavior of semi-solid AZ91D magnesium alloy

Chin Cheng Mao, Jyh Chen Chen, Hsuan Peng, Ming Lang Chang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The rheological behavior of a semi-solid, AZ91D magnesium alloy was measured by a high-temperature Couette (coaxial-cylinder) rheometer. In the isothermal holding experiments, the steady-state apparent viscosity of an AZ91D alloy was measured as a function of shear rate at a constant solid fraction (i.e. constant temperature). The viscosity of the slurry decreased with the increase of shear rate and isothermal holding temperature (the decrease of solid fraction). Based on the experimental data, the constitutive flow behavior of AZ91D Mg alloys in the semi-solid state was described and the empirical power-law model was found.

Original languageEnglish
Pages (from-to)385-389
Number of pages5
JournalJournal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Issue number4
StatePublished - Aug 2003


  • AZ91D alloy
  • Isothermal holding temperature
  • Rheology
  • Semi-solid metal


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