TY - RPRT TI - Active learning using hybrid surrogate tool life modeling for machining process optimization AU - Karandikar, Jaydeep [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000231551214) AU - Tyler, Christopher [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Olvera Trejo, David [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000300011490) AU - Brown, Dennis [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Jacobs, Leah [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000256494025) AU - Smith, Scott [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000258640372) PY - 2026 DO - 10.1016/j.jmsy.2026.05.009 UR - https://www.osti.gov/biblio/3384901 ID - 3384901 ER -