The annular laser shock peened surface 54 and the pre stressed region 56 extend over the entire area of dimensional restoration which is at least over {HEAD ~ the entire abutting area} between the radially outer wall 125 and {TAIL ~ the base} 131 in FIGS 2 and 4 
between
The annular laser shock peened surface 54 and the pre stressed region 56 extend over the entire area of dimensional restoration which is at least over { HEAD ~ the entire abutting area } between the radially outer wall 125 and { TAIL ~ the base } 131 in FIGS 2 and 4
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH