Carbon diffusivity in multi-component austenite

Seok Jae Lee; David K. Matlock; Chester J. Van Tyne

doi:10.1016/j.scriptamat.2011.01.001

Carbon diffusivity in multi-component austenite

Seok Jae Lee^*
, David K. Matlock
, Chester J. Van Tyne

^*Corresponding author for this work

Metallurgical System Engineering

Pohang University of Science and Technology
Colorado School of Mines

Research output: Contribution to journal › Journal article › peer-review

53 Scopus citations

Abstract

The diffusivity of carbon in multi-component austenite has been investigated using a thermodynamic-based analysis. The activity coefficient of carbon as a function of alloying elements and temperature was used to derive the carbon diffusivity as a function of composition and temperature. The strong influence of chromium (which decreases carbon diffusion rates) was incorporated in the diffusivity equation. The equation for carbon diffusivity was verified by comparing calculated results with measured diffusivity of carbon for various alloys.

Original language	English
Pages (from-to)	805-808
Number of pages	4
Journal	Scripta Materialia
Volume	64
Issue number	9
DOIs	https://doi.org/10.1016/j.scriptamat.2011.01.001
State	Published - 2011.05

Keywords

Alloying element
Austenite
Carbon diffusivity
Thermodynamic-based analysis

Access to Document

10.1016/j.scriptamat.2011.01.001

Cite this

@article{2f980bb382d441af9958d84e1395ff32,

title = "Carbon diffusivity in multi-component austenite",

abstract = "The diffusivity of carbon in multi-component austenite has been investigated using a thermodynamic-based analysis. The activity coefficient of carbon as a function of alloying elements and temperature was used to derive the carbon diffusivity as a function of composition and temperature. The strong influence of chromium (which decreases carbon diffusion rates) was incorporated in the diffusivity equation. The equation for carbon diffusivity was verified by comparing calculated results with measured diffusivity of carbon for various alloys.",

keywords = "Alloying element, Austenite, Carbon diffusivity, Thermodynamic-based analysis",

author = "Lee, \{Seok Jae\} and Matlock, \{David K.\} and \{Van Tyne\}, \{Chester J.\}",

year = "2011",

month = may,

doi = "10.1016/j.scriptamat.2011.01.001",

language = "English",

volume = "64",

pages = "805--808",

journal = "Scripta Materialia",

issn = "1359-6462",

number = "9",

}

TY - JOUR

T1 - Carbon diffusivity in multi-component austenite

AU - Lee, Seok Jae

AU - Matlock, David K.

AU - Van Tyne, Chester J.

PY - 2011/5

Y1 - 2011/5

N2 - The diffusivity of carbon in multi-component austenite has been investigated using a thermodynamic-based analysis. The activity coefficient of carbon as a function of alloying elements and temperature was used to derive the carbon diffusivity as a function of composition and temperature. The strong influence of chromium (which decreases carbon diffusion rates) was incorporated in the diffusivity equation. The equation for carbon diffusivity was verified by comparing calculated results with measured diffusivity of carbon for various alloys.

AB - The diffusivity of carbon in multi-component austenite has been investigated using a thermodynamic-based analysis. The activity coefficient of carbon as a function of alloying elements and temperature was used to derive the carbon diffusivity as a function of composition and temperature. The strong influence of chromium (which decreases carbon diffusion rates) was incorporated in the diffusivity equation. The equation for carbon diffusivity was verified by comparing calculated results with measured diffusivity of carbon for various alloys.

KW - Alloying element

KW - Austenite

KW - Carbon diffusivity

KW - Thermodynamic-based analysis

UR - https://www.scopus.com/pages/publications/79952191997

U2 - 10.1016/j.scriptamat.2011.01.001

DO - 10.1016/j.scriptamat.2011.01.001

M3 - Journal article

AN - SCOPUS:79952191997

SN - 1359-6462

VL - 64

SP - 805

EP - 808

JO - Scripta Materialia

JF - Scripta Materialia

IS - 9

ER -

Carbon diffusivity in multi-component austenite

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this