Abstract

The aim of this work is to study the thermal surface treatment by Aluminizing
process of stainless steel (305) to modify the mechanical properties of the surface
by pack cementation process. The coating process was done with various periods
of time (2, 4, 6, 8, 10) hours and temperatures (900 1000 1100)°C. The results
showed that the thickness of coating layer was increased with the increment of
time and temperature. The microhardness values of coating layer was reduced
from the outer surface to the core, also the results showed that the highest
microhardness of the coating was obtained at period of (6) hours and temperature
of (900, 1000, 1100)°C, also the highest bending stress was obtained at the period
of (6) hours and at all temperature.