Portrait of Lars Vegard
. Narve Skarpmoen; National Library of Norway (Nasjonalbiblioteket); 1920–1930. Public domain in Norway (PD-Norway50 photograph). Source usage terms, via Wikimedia Commons. Source. Articles by others on the same topic
Lars Vegard is a name associated with a concept in materials science known as the Vegard's Law. This law describes the linear relationship between the composition of an alloy and its lattice constants, which is significant in understanding the physical properties of solid solutions. Specifically, Vegard's Law states that the lattice parameter of a solid solution can be calculated as a weighted average of the lattice parameters of the constituent pure components.