Failure Analysis of 12.9 Class Cylinder Head Bolt
Abstract：through design check analysis, physical and chemical analysis, macrograph and mi- croscopic fracture analysis to 12.9 class cylinder head bolt. The main reason of this fracture was pickle brittleness delayed fracture, precautionary measures were found in this paper
Keywords：Cylinder Head BoltPickle Brittleness12.9Class
Publication Date：2012-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 54-58 )