{"data":{"fields":"term_definition","term_definition":"<div class=\"definition\">Refers to a type of pitting which occurs at the beginning of operation in lower hardness materials (not carburized steel), and continues until the ductile surfaces have been deformed to the point when localized stresses no longer exist. At this point the pitting ceases to propagate.<\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/IFCC3f.3382\/544w\/pitting_pitchline.jpg\" alt=\"pitting_pitchline\"><\/div>"}}