schosenformeasurementofthestrainsForthedisplacementoftheindenter(indentationof15%D)thefollowingmaximumvaluesforthecircumferentialandlongitudinalstrainswereobserved:Point1-εc=13116µεandεl=6288µε;Point2-εc=670µεandεl=159µε;Point3-εc=-1766µεandεl=-819µε.Aspertheinternalindenter,thefollowingmaximumvaluesforthecircumferentialandlongitudinalstrainswereobtained:Point1-εc=-10165µεandεl=4945µε;Point2-εc=-555µεandεl=-293µε;Point3-εc=774µεandεl=818µε.Figures11to16showtheindenterdisplacementdistributionswithrespectthepipemeasuredlinearstrainsinthecircumferentialandlongitudinaldirectionstheendofsteps1and3oftheappliedloading.Figure11.Displacementoftheindentervs.strain–Indentation–Point1Figure12.Displacementoftheindentervs.strain–Repair–Point1Figure13.Displacementoftheindentervs.strain–Indentation–Point2