Study Cracking Large Forgings of Low Carbon Steel Grade ST52, 3N Pressure Treatment

Denis V. Valuev; A.V. Valueva; A. Serikbol

doi:10.4028/www.scientific.net/AMM.682.64

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Study Cracking Large Forgings of Low Carbon Steel Grade ST52, 3N Pressure Treatment
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 682Study Cracking Large Forgings of Low Carbon Steel...

Study Cracking Large Forgings of Low Carbon Steel Grade ST52, 3N Pressure Treatment

Abstract:

The paper presents an electron-microscopic analysis of structure, phase and stress-strain state of forging material. It was found out, that dislocations in ferritic grains and pearlite layers of forgings, cracked after manufacturing processes are half as large against those in standard material. Metal in this state is characterized by an increased concentration of lamellar sulfides. It is also stated that disadvantageous structural state is formed due to high concentration of carbon which causes metal over-heating both when forming and in final heat treatment.

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Periodical:

Applied Mechanics and Materials (Volume 682)

Pages:

64-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.682.64

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Online since:

October 2014

Authors:

Denis V. Valuev, A.V. Valueva, A. Serikbol

Keywords:

Defect Substructure, Electron-Microscopic Analysis, Ferrite, Ferritic Grains, Pearlite, Steel

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