Fig 22 Crack in sleeve(arrows). 2.5x 个 10 Fig 23 Fatigue cracking from the outside diameter(od) of the sleeve (large arrow) . Area between small arrows shows evidence of ductile shear at od surface 100mFig. 22 Crack in sleeve (arrows). 2.5× Fig. 23 Fatigue cracking from the outside diameter (OD) of the sleeve (large arrow). Area between small arrows shows evidence of ductile shear at OD surface