Material selection is a step in the process of designing any physical object. In the context of product design, the main goal of material selection is to minimize cost while meeting product performance goals. Systematic selection of the best material for a given application begins with properties and costs of candidate materials.
Requirements to consider when selecting a material for a component or a joint between components :
Performance Requirements Reliability Requirements Size, shape, and mass Requirements Cost Requirements Manufacturing Requirements Industry standards Government regulations Intellectual property Requirements Sustainability Requirements