Heterogeneous Al–Si microstructure comprising of sub-micron-scale Al dendrites and nanoscale fibrous eutectic was fabricated by processing as-cast Al-20wt.%Si alloy using laser rapid solidification. In situ tension tests explored high tensile strength (∼600 MPa) ductility (∼10%) strain hardening rate (∼7 GPa). Microstructural characterization revealed the plastic co-deformation mechanisms betwe...

The 25Cr-35Ni heat resistant steel has been widely used when resistance to oxidation and creep rapture at elevated temperatures is required. In this paper, the microstructural effect on the weldability of this alloy is investigated. The results of this study indicate that this steel has a perfect weldability in the as cast condition but does not possess good weldability in the aged condition. T...

Freeze casting for Al2O3 was accomplished at room temperature with nonaqueous sublimable vehicles in the naphthalene– camphor eutectic system with a eutectic temperature of 31°C. A fully dense sintered body (>99.5% of theoretical density (T.D.)) was obtained with a eutectic composition vehicle, whereas at most 90% T.D. was obtained with an off-eutectic (i.e., hypoor hypereutectic) composition v...

This study investigated the microstructure evolution of TiC/Ti-6Al-4V matrix composite produced using a 1073 nm continuous wave (CW), IPG Ytterbium fibre laser. The influence thermal gradient, overlap, and re-melting previous layers on TiC/Ti6Al4V samples was analyzed scanning electron microscope (SEM). showed that are composed undissolved TiC, in-situ TiC (eutectic primary TiC), α Ti β Ti. Whi...

Microstructure has significant effects on the mechanical properties of AlSi10Mg alloy. Therefore, an in-depth understanding microstructure evolution, such as dendrite and Al-Si eutectic, is great significance to obtain desirable manage performance components. In current work, integrated eutectic evolution model based cellular automaton–finite difference (CA-FD) method, taking account solute dis...

Mechanical stress–strain curves are estimated by means of numerical simulation in order to analyze and compare the mechanical properties of a real Strontium–modified Al–Si alloy with virtually designed materials. The virtual materials are generated by a competitive stochastic growth model of the 3D coral–like morphology of the eutectic Si in Al–Si alloys. The experimental data for the real mate...