TY - CONF AU - Mathur, Nehika AU - Kim, Yong Han AU - Kumar, Ritbik AU - Sutherland, JW C2 - CIRP Annals, Turin, IT DA - 2026-04-30 04:04:00 DO - https://doi.org/10.1016/j.cirp.2026.04.101 LA - en PB - CIRP Annals, Turin, IT PY - 2026 TI - A Semi-Markov Chain approach to temporally quantify critical materials across multiple product life cycles: Hard Disk Drives UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=961402 ER -