improve [ 18 ], [ 20 ]. According to the literature there is no research that examined the effect of using Tungsten oxide WO 3 /Syltherm 800 nanofluid as a heating fluid flow inside the receiver of PTC. So this article aimed at examining the ability of
] heat treatment, treatment of the weld edge by Tungsten Inert Gas (TIG) or plasma arc melting, hammering, shot peening, ultrasonic treatment.
Welding in an elastically pre-bent state in a clamping device