A subsequent heat treatment may achieve the effect of equalizing {HEAD ~ the concentration} of aluminium between the repair layer and {TAIL ~ the region} near the surface, and so the aluminium content required for new components is achieved again 
A subsequent heat treatment may achieve the effect of equalizing { HEAD ~ the concentration } of aluminium between the repair layer and { TAIL ~ the region } near the surface , and so the aluminium content required for new components is achieved again
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH