id	keyword
fis-2026	doi
fis-2026	welding
fis-2026	strength
fis-2026	stir
fis-2026	speed
fis-2026	rsm
fis-2026	friction
fis-2026	aa5050
fis-2026	response
fis-2026	optimization
fis-2026	tensile
fis-2026	tool
fis-2026	surface