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- W2384391602 abstract "To the problem of unqualified elongation of rolled Q420 B steel, the fractography, microstructure and inclusions of the tensile specimens were studied by optical microscopy and scanning electron microscopy. The results showed that lots of pores, serious stratification and band structure existed in the fracture site, and the initiation and growth of the cracks and pores happened at segregated band. Inclusions were concentrated on the fracture site. The inclusions beseparated and extended from matrix interface under tension, which will result in crack at last under tension. So the band structures and inclusions were thought to be the major causes of the unqualified elongation of the plate steel." @default.
- W2384391602 created "2016-06-24" @default.
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- W2384391602 date "2014-01-01" @default.
- W2384391602 modified "2023-09-28" @default.
- W2384391602 title "Causes Analysis of the Unqualified Elongation of Q420B Steel" @default.
- W2384391602 hasPublicationYear "2014" @default.
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