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Structure and mechanical properties biodegradable Mg-3Zn-2Ca alloy processed by ECAP
Havlíček, Štěpán-Adam ; Podrábský, Tomáš (oponent) ; Doležal, Pavel (vedoucí práce)
The present study focused on mechanical behavior and microstructure of biodegradable magnesium alloy Mg-3Zn-2Ca processed by equal channel angular pressing (ECAP). Each specimen differ by number of passes. Path of pass is Bc. Processed alloy exhibit improvement of stress and deformation characteristics, but with raising number of passes deformation characteristics starts to decrease underneath the value of unprocessed gravity cast alloy. Applied ECAP processing resulted refinement of grains, elongation in the direction of extrusion. The assessment of microstructure was performed by light microscopy and mechanical properties were determined by tensile tests.
Structure and mechanical properties biodegradable Mg-3Zn-2Ca alloy processed by ECAP
Havlíček, Štěpán-Adam ; Podrábský, Tomáš (oponent) ; Doležal, Pavel (vedoucí práce)
The present study focused on mechanical behavior and microstructure of biodegradable magnesium alloy Mg-3Zn-2Ca processed by equal channel angular pressing (ECAP). Each specimen differ by number of passes. Path of pass is Bc. Processed alloy exhibit improvement of stress and deformation characteristics, but with raising number of passes deformation characteristics starts to decrease underneath the value of unprocessed gravity cast alloy. Applied ECAP processing resulted refinement of grains, elongation in the direction of extrusion. The assessment of microstructure was performed by light microscopy and mechanical properties were determined by tensile tests.

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