Effects of Zirconium Additions on the Microstructure of As‐Cast and Aged AZ91 Magnesium Alloy
Source abstract
Abstract
The effects of Zr addition on the microstructure of AZ91 alloy were investigated under as-cast and isothermally aged conditions. The microstructures contained a eutectic β-Mg17Al12 phase together with fine Al–Zr intermetallic compounds. These intermetallic compounds inhibited grain growth during the 420 °C isothermal aging of Zr-containing alloys. Microstructural changes caused by Zr additions were most probably due to the consumption of Al by Zr, and redistribution of Al during solidification of dendrites.
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Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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