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Substitute Alloy Materials (SAM) Laboratories, also known as the Special Metals Corporation, was a renowned research facility where metallurgist Elwood Samuel "Sam" Libby conducted groundbreaking work in the field of metallurgy and high-temperature materials during the early 20th century. SAM Laboratories was instrumental in developing and refining high-performance metal alloys, particularly for applications in challenging environments, contributing significantly to the advancement of industries such as aerospace and energy.