Synchrotron X-ray Tomographic Quantification of Deformation Induced Strain Localisation in Semi-solid Al- 15wt.%Cu

Probing Constitutive Models of Bohus Granite with In Situ Spherical Indentation and Digital Volume Correlation

“…More ductile materials were also studied. Deformation mechanisms (e.g., dilatancy, liquid flow, macrosegregation, and intra-granular deformation) were reported for semi-solid Al-Cu alloy [16] and for semi-solid granular alloy with an equiaxed dendritic microstructure [17]. Strain localization was quantified and the role of the underlying microstructure was highlighted.…”

“…In the afore-mentioned studies, various DVC schemes were considered. Most of the analyses were performed with so-called local DVC [11,12,16,19,17,18,20,14,15], in which independent sub-volumes were registered. FE-based DVC was also considered, registration residuals and strain fields were utilized to characterize cracks [10,22,13,21].…”

Role of the local stress systems on microstructural inhomogeneity during semisolid injection

“…mush and hence its response under external pressure [5,6]. As a consequence, a number of porosity defects [7] occurring that are related to filling, thermal contraction [5] and segregation bands (eutectic and porosity) [8][9][10][11] can be traced to the extreme thermo-mechanical and microstructural conditions prevailing at higher solid fractions in these zones. It is estimated that about ~35% of casting defects in HPDC components are porosity [12].…”