In the present research work effort has been made to study the tribological behavior of dual particle size (DPS) and triple particle size (TPS) of Al2O3 reinforced Al-MMCs (prepared by vacuum moulding process). The study started with selection of the component for industrial application. The study highlights the effect of reinforcement in form of DPS and TPS on mechanical and metallurgical properties of Al- Al2O3 MMCs. The input parameters of process are composition of MMC, vacuum moulding silica sand grain size, vacuum pressure and component volume. The study highlights the percentage...

In the present work new replication techniques for a biomedical component having a real 3D shape has been introduced. A dynamic condylar screw (DCS) plate was selected as one of a real 3D biomedical implant for this study. The DCS plate, made of ABS material, was fabricated as a master pattern by fused deposition modelling (FDM) method. After preparation of master pattern mould was fabricated with vacuum moulding process. Finally metal matrix composite (MMC) of Al and Al2O3 has been prepared in vacuum mould for fabrication of DCS plate. This study highlights the replication procedure of DCS...

In the present research work effort has been made to study the use of Acrylonitrile-Butadine-Styrene (ABS) replicas in investment casting applications.The research start with selection of the component for industrial application with an idea of improvement in accuracy and hardness of the component. The input parameters are production time in Fused Deposition Modeling (FDM), number of layers, layer combination and different materials in investment casting.The study highlights the percentage contribution of different input parameters on micro hardness and dimensional accuracy.

In present work advancement in replication techniques for a biomedical component having a real 3D shape has been introduced. A hip joint was selected as one of a real 3D biomedical implant for this study. A hip joint, made of ABS material, was fabricated as a master pattern by fused deposition modelling (FDM) method. After this mold was made by the deposition of Primary, Secondary and Tertiary coatings with the addition of (1- 2cm in length) nylon fiber of 1.5D as per the Taguchi L9 control log of experimentation.This study outlines complete replication procedure of hip joint in detail from...

Aluminium (Al) based metal matrix composites (MMC) have many potential engineering applications. There has been a critical need for casting of cost-effective MMC. Not much work hitherto been reported for casting of Al based MMC with vacuum moulding. An approach to macro-model the micro hardness and dimensional accuracy for casting of MMC of Al and its alloys have been proposed and applied. Relationship between micro hardness, dimensional accuracy and other parameter has been deduced by using Taguchis technique L9 orthogonal array (OA). Results indicate that the hardness of MMC developed...

Cold chamber die casting process is designed to achieve high dimensional accuracy by forcing molten metal under high pressure into reusable moulds called dies.The present research work is aimed at parametric optimization of process parameter in cold chamber die casting for an industrial component (crank case). Three controllable factors of the cold chamber die casting process (namely: 1st phase pressure, 2nd phase pressure and limit switch position) were studied at three levels each by Taguchi's parametric approach and single-response optimization was conducted to identify the main factors...