Prediction Of Weld Bead Geometry Analysis For Disimilar(Al Lm6 &Allm25) Metal Matrix Composites
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 6
Abstract
Metal matrix composites (MMCs) combine a stiff but brittle phase, typically a ceramic, with a more ductile metal matrix. The correct fractional combination of materials can result in a material with improved stiffness, creep resistance, yield stress and wear resistance relative to the monolithic matrix.LM25 is mainly used where good mechanical properties are required in castings of shape or dimensions requiring an alloy of excellent cast ability in order to achieve the desired standard of soundness. The alloy is also used where resistance to corrosion is an important consideration, particularly where high strength is also required. It has good weld ability. Consequently, LM25 finds application in the food, chemical, marine, electrical and many other industries and, above all, in road transport vehicles where it is used for wheels, cylinder blocks and heads, and other engine and body castings Aluminium LM06 is suitable for most marine 'on deck' castings, watercooled manifolds and jackets, motor car and road transport fittings, thin section and intricate castings such as motor housings, meter cases and switch boxes, for a very large aluminum casting, e.g. cast doors and panels where ease of casting is essential, for chemical and dye industry castings, e.g. pump parts, and for paint industry and food and domestic castings. It is especially suitable for castings that are to be welded. The main objective of the present work is to manufacture the metal matrix composites, weld using GTAW. The acceptable weld bead shape depends on factors such as power, ampere rating which is the heat energy supplied by an arc to the base plate per unit length of weld, welding speed, joint preparation, etc. To do these precise relationships between the process parameters and the bead parameters controlling the bead shape are to be established. In this project we will be made many attempts for made test pieces to predict the process parameter of TIG for getting maximum weld element, best mechanical properties and maximize weld deposition. The planned experiments are conducted in the TIG are welding machine; the test piece examination is carried out by following process.
Authors and Affiliations
D. Dhiyageshwaran, Mr. S. Prathiban
Keywords
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