Friction stir processing (FSP) with the overlapping method is the best approach for achieving bulk surface modification in metals and alloys. In the current study, a bulk-area processing region was created in aluminum alloys using FSP with pin overlapping. The grain size distribution and texture orientations have been examined using the electron backscattered diffraction technique. The findings revealed that the grain size distribution is uniform throughout the processed region, but the texture orientation is varied from one pass to other overlapping passes. Finally, it was identified from the results that the overlapping technique does not affect the grain size but affects the texture orientations and their intensities in each overlapping pass.
The output performance characteristics of the engine used in Tillers is based on the various factors such as discharge of the pump, nozzle, and dimensions of rocker arm, rocker screw, adjusting crank case, gear case, timing gears, piston, piston rings and cylinder head. The objective of the work is to get the optimum solution for getting the increased Horse Power (HP) and Specific Fuel Consumption (SFC) of the engine based on maintaining the mentioned components dimensions in close tolerance in addition to process wise monitoring during assembly and engine testing. During engine testing, the pump discharge is adjusted by the fuel adjuster and the tolerance limits are kept closer to the actual value to obtain the required HP and SFC.
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