03.08.2013 Views

“Influence of Si, Sb and Sr Additions on the Microstructure ...

“Influence of Si, Sb and Sr Additions on the Microstructure ...

“Influence of Si, Sb and Sr Additions on the Microstructure ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Chapter 4: Results <str<strong>on</strong>g>and</str<strong>on</strong>g> Discussi<strong>on</strong><br />

Figure 4.48: Fracture surface <str<strong>on</strong>g>of</str<strong>on</strong>g> AZ91+0.5% <str<strong>on</strong>g>Si</str<strong>on</strong>g>+0.2% <str<strong>on</strong>g>Sb</str<strong>on</strong>g>: (C) river pattern<br />

(D) plastic deformati<strong>on</strong> (E) dimples (F) quasi-cleavage facet<br />

Figure 4.49; Schematic illustrati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> quasi-cleavage fracture [45]<br />

Figure 4.50: Fractograph <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Sb</str<strong>on</strong>g> added AZ91 alloy failed at RT<br />

(a) AZ9l+0.5°/c <str<strong>on</strong>g>Sb</str<strong>on</strong>g> (b) AZ9l+0.7% <str<strong>on</strong>g>Sb</str<strong>on</strong>g>: (A) sec<strong>on</strong>dary<br />

crack (B) cleavage plane (D) plastic deformati<strong>on</strong><br />

(E) dimples (F) quasi-cleavage<br />

136

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!