Material selection - WikipediaMaterial selection is a step in the process of designing any physical object. In the context of . For example, a rod which should be stiff and light requires a material with high Young's modulus and low density. If the rod will be pulled in tension,.material selection rod,Selection Of Material, Shape, And Manufacturing . - Asee peer logois to select the appropriate material for a connecting rod where the constraints . The next phase involves the selection of manufacturing process for which the.