TY - RPRT TI - Microstructural evolution, defect mitigation, and precipitation behavior in AA6061 via laser powder bed fusion with high-temperature substrate heating AU - Karna, Sivaji [Univ. of South Carolina, Columbia, SC (United States)] (ORCID:000900048824169X) AU - Al-Aridi, Rimah [Univ. of South Carolina, Columbia, SC (United States)] AU - Morrall, Daniel [Savannah River National Laboratory (SRNL), Aiken, SC (United States). Tritium Technology Division] AU - Masse, Jean-Philippe [Polytechnique Montreal, QC (Canada)] (ORCID:0000000231871445) AU - Sun, Can [Univ. of South Carolina, Columbia, SC (United States)] (ORCID:0009000608622877) AU - Zhang, Tianyu [Univ. of South Carolina, Columbia, SC (United States)] AU - Gross, Andrew J. [Univ. of South Carolina, Columbia, SC (United States)] (ORCID:0000000170241342) AU - Hosseinzadeh, Hamed [Univ. of Wisconsin, Platteville, WI (United States)] (ORCID:0000000189461062) AU - Martin, Étienne [Polytechnique Montreal, QC (Canada)] AU - Krentz, Timothy [Savannah River National Laboratory (SRNL), Aiken, SC (United States). Tritium Technology Division] AU - Hitchcock, Dale [Savannah River National Laboratory (SRNL), Aiken, SC (United States). Tritium Technology Division] AU - Yuan, Lang [Univ. of South Carolina, Columbia, SC (United States)] (ORCID:0000000268945030) PY - 2026 DO - 10.1016/j.msea.2026.150474 UR - https://www.osti.gov/biblio/3367488 ID - 3367488 ER -