TY - JOUR TI - Influence of artificial aging on microstructure and mechanical properties of Aluminum 2219-T87 TIG welded joints AU - SHAZAD, A. AU - AKHTAR, M. AU - UZAIR, M. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 2963 EP - 2973 DO - 10.14744/sigma.2026.2138 ER -