Materialvalget

Materialvalget translates to "the material choice" in Norwegian and refers to the process of selecting materials for a product, structure, or system. It denotes an integrated assessment of properties, performance, cost, manufacturability, and sustainability, and is used across industries such as aerospace, automotive, construction, and electronics. It is central to design optimization and lifecycle thinking.

The process typically follows steps: define functional requirements and constraints; collect material data from datasheets, supplier catalogs, and material databases; evaluate candidate materials for mechanical, thermal, chemical, and physical properties; assess manufacturability and compatibility with manufacturing processes, as well as supply chain considerations; apply decision-analysis methods to compare options, often incorporating lifecycle considerations, reliability, and risk assessment; select the preferred material and document reasoning and alternatives.

Key considerations include performance under service conditions, durability and corrosion resistance, weight, recyclability and end-of-life options, environmental impact, health and safety, regulatory compliance, and availability and lead times. Sustainability assessments, such as life cycle assessment, are increasingly incorporated. The choice may require trade-offs, creating a material that meets most requirements without excessive cost.

Data sources include material data sheets, standard test results, and validated databases; collaboration with suppliers, manufacturers, and testing labs; and adherence to relevant standards and codes. The outcome is a material specification and a rationale for selection, with contingency plans for substitutes if supply or performance issues arise.

See also: Material science; Product design; Life-cycle assessment; Sustainability in engineering; Material compatibility.