Austenitizing temperature and hardenability of low-carbon boron steels

Byoungchul Hwang; Dong Woo Suh; Sung Joon Kim

doi:10.1016/j.scriptamat.2011.03.003

Austenitizing temperature and hardenability of low-carbon boron steels

Byoungchul Hwang, Dong Woo Suh, Sung Joon Kim

Dept. of Materials Science & Engineering

Research output: Contribution to journal › Article › peer-review

101 Scopus citations

Abstract

The hardenability of boron steels was discussed in terms of precipitation behavior and phase stability of M₂₃(C,B)₆ borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism.

Original language	English
Pages (from-to)	1118-1120
Number of pages	3
Journal	Scripta Materialia
Volume	64
Issue number	12
DOIs	https://doi.org/10.1016/j.scriptamat.2011.03.003
State	Published - Jun 2011

Keywords

Grain boundary segregation
Hardenability
Precipitation
Steels
Thermodynamics

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10.1016/j.scriptamat.2011.03.003

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title = "Austenitizing temperature and hardenability of low-carbon boron steels",

abstract = "The hardenability of boron steels was discussed in terms of precipitation behavior and phase stability of M23(C,B)6 borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism.",

keywords = "Grain boundary segregation, Hardenability, Precipitation, Steels, Thermodynamics",

author = "Byoungchul Hwang and Suh, \{Dong Woo\} and Kim, \{Sung Joon\}",

year = "2011",

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language = "English",

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AU - Hwang, Byoungchul

AU - Suh, Dong Woo

AU - Kim, Sung Joon

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N2 - The hardenability of boron steels was discussed in terms of precipitation behavior and phase stability of M23(C,B)6 borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism.

AB - The hardenability of boron steels was discussed in terms of precipitation behavior and phase stability of M23(C,B)6 borocarbide in accordance with austenitizing temperature. A higher austenitizing temperature reduced the hardenability of Mo-added boron steel by the preferred precipitation of borocarbide because it caused a significant increase in boron concentration segregated to the austenite grain boundary due to grain coarsening and a non-equilibrium segregation mechanism.

KW - Grain boundary segregation

KW - Hardenability

KW - Precipitation

KW - Steels

KW - Thermodynamics

UR - https://www.scopus.com/pages/publications/79954592351

U2 - 10.1016/j.scriptamat.2011.03.003

DO - 10.1016/j.scriptamat.2011.03.003

M3 - Article

AN - SCOPUS:79954592351

SN - 1359-6462

VL - 64

SP - 1118

EP - 1120

JO - Scripta Materialia

JF - Scripta Materialia

IS - 12

ER -

Austenitizing temperature and hardenability of low-carbon boron steels

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Keywords

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