Metal Injection moulding (MIM) is an advanced near net shape forming process for high quality of complex shapes combined with high properties of materials. The concept of the MIM is based on mixing of the fine powders with a small proportion of polymer to form a feedstock that can be moulded. The granulated feedstock is then giving shape using injection moulding machine. After shaping, the polymer binder is then removed from the moulded part without significant disturbing the powder particles. Then, the powder is sintered at high temperatures. This paper discussed the mechanical properties and in-vitro evaluations of injection moulded cobalt based alloy for potential orthopedic

Kinetics of biodiesel production from renewable raw material like soybean oil deodoriser distillate (SBODD) and methanol (MeOH) in the presence of biocatalyst Novozyme 40013 (lipase from Candida antarctica) has been studied in the present research investigation along with optimization of reaction parameters like molar ratio of alcohol to SBODD, temperature and catalyst concentration. 5:1 molar ratios of alcohol to SBODD, 600C temperature with 5% concentration of catalyst for 3 hrs of reaction duration are the optimum conditions identified which contributed 93.24% conversion. Pseudo homogeneous kinetic model has been used to fit the experimental data and results have been analysed on the basis of model data. Equilibrium constants (Kobs) have been evaluated through this kinetic model at different temperatures and different molar ratios. By fitting the experimental data, the pre exponential factor and the activation energy of the esterification reaction have been determined also. Kinetic analyses are in good agreement with experimental results.

The durability of concrete constructions in aggressive media has been studied. We prepared samples of ordinary concrete with different natural pozzolana content of beni-saf as a substitute for cement. The main objective of this experimental work is to study the valorization of the natural pozzolana of beni-saf on the mechanical properties (compressive strength) and the durability of concrete (corrosion) in the aggressive environment. Through experimental results obtained, we conclude that beni-saf's natural pozzolana has a positive effect on mechanical properties and the effect is somewhat acceptable for concrete durability especially in the long run.