marine, automobile, robotics industries, sports etc. A designer must know the properties of the system in order to design it against failure. The present study aims at the investigation of tensile and flexural properties of glass/epoxy uni directional laminated polymer composies for different angle ply orientations(0/90,45/45,90/0) .A comprehensive study of parameters was carried out. 1. Composite materials A composite is a combination of two materials in which one of the materials, called the reinforcing
reinforcement are conducting to meet the cost effective as well as weight saving material. Careful selection of reinforcement type and matrix enables finished product characteristics to be fitted to almost any specific engineering requirement. Thermoset epoxy resins are extensively studied as a matrix material for composite structure as well as aerospace application because they exhibit low shrinkage and higher mechanical properties. There is a need for developing high wear resistance and materials that would
XRD equipment (Rigoku Ultima IV) very carefully. The samples were analyzed in terms of the phases presented by the XRD. This will verify whether the different element composition temperature can affect the structure and phase transitions. In this study, the sample for XRD was take from welded part. The samples for XRD were cut according to the size of the sample holder where the samples were placed. The structure of the samples were detected and captured by a detector using copper (Cu Kα) as radiation
their byproducts followed by three dimensional obturation of the root canal space.To achive this challenging task, a biologically acceptable solid or semi solid obturating material in conjuction with root canal sealers is advocated in endodontic literatures. Guttapercha is the most widely used core material for obturation till date. Its property of inertness ,plasticity and solvent solubility have made it an ideal candidate for root canal filling. However it has a major disadvantage of