Affect of sr on microstructure and properties of ma-al alloy?

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Preetham Tukaram R

May be through XRD and SEM you can sure the affect of SR

Khaled J. Habib

In addition to Preetham's valuable information,one can use EDS to determine the present of Sr element in the microstructure.Also, X-ray dot mapping can help to determine the distribution of the Sr element in the microstrure. This leads you to compare the properties of the alloy with and without the present of Sr.

Py De

Sr modifies the eutectic Si phase from coarser platelets to fine fibrous structure. This fine structure improves elongation vale in AlSi alloy...but not sure in AlMg alloy....what is the Si% in your alloy?

Xingxu Jiang

Adding Zn can significantly improve the SCC resistance of the Mg-Al alloys.