Effects of carbon content on the surface deformation behavior of vacuum-melted iron during fatigue in ultrahigh vacuum and oxygen

Debasis Majumdar; Yip Wah Chung

doi:10.1016/0025-5416(84)90052-1

Effects of carbon content on the surface deformation behavior of vacuum-melted iron during fatigue in ultrahigh vacuum and oxygen

Debasis Majumdar^*, Yip Wah Chung

^*Corresponding author for this work

Materials Science and Engineering

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

3 Scopus citations

Abstract

Fatigue of two heats of vacuum-melted iron (one containing 170 wt.ppm C and the other 50 ppm C) produced a rumpled surface with grain boundary cracks in ultrahigh vacuum. In oxygen, prominent slip lines and transgranular cracks were observed. Also, the samples with a larger carbon content (170 wt.ppm) showed coarser slip lines in oxygen than did the samples with a smaller carbon content (50 wt.ppm). Interstitial-free samples fatigued in dry air showed very fine slip lines with the surface resembling the rumpled structure of fatigue in ultrahigh vacuum. It was suggested that CO clusters affect the dislocation motion during fatigue and control the surface structure.

Original language	English (US)
Pages (from-to)	207-211
Number of pages	5
Journal	Materials Science and Engineering
Volume	67
Issue number	2
DOIs	https://doi.org/10.1016/0025-5416(84)90052-1
State	Published - Nov 1984

ASJC Scopus subject areas

Engineering(all)

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title = "Effects of carbon content on the surface deformation behavior of vacuum-melted iron during fatigue in ultrahigh vacuum and oxygen",

abstract = "Fatigue of two heats of vacuum-melted iron (one containing 170 wt.ppm C and the other 50 ppm C) produced a rumpled surface with grain boundary cracks in ultrahigh vacuum. In oxygen, prominent slip lines and transgranular cracks were observed. Also, the samples with a larger carbon content (170 wt.ppm) showed coarser slip lines in oxygen than did the samples with a smaller carbon content (50 wt.ppm). Interstitial-free samples fatigued in dry air showed very fine slip lines with the surface resembling the rumpled structure of fatigue in ultrahigh vacuum. It was suggested that CO clusters affect the dislocation motion during fatigue and control the surface structure.",

author = "Debasis Majumdar and Chung, {Yip Wah}",

year = "1984",

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T1 - Effects of carbon content on the surface deformation behavior of vacuum-melted iron during fatigue in ultrahigh vacuum and oxygen

AU - Majumdar, Debasis

AU - Chung, Yip Wah

PY - 1984/11

Y1 - 1984/11

N2 - Fatigue of two heats of vacuum-melted iron (one containing 170 wt.ppm C and the other 50 ppm C) produced a rumpled surface with grain boundary cracks in ultrahigh vacuum. In oxygen, prominent slip lines and transgranular cracks were observed. Also, the samples with a larger carbon content (170 wt.ppm) showed coarser slip lines in oxygen than did the samples with a smaller carbon content (50 wt.ppm). Interstitial-free samples fatigued in dry air showed very fine slip lines with the surface resembling the rumpled structure of fatigue in ultrahigh vacuum. It was suggested that CO clusters affect the dislocation motion during fatigue and control the surface structure.

AB - Fatigue of two heats of vacuum-melted iron (one containing 170 wt.ppm C and the other 50 ppm C) produced a rumpled surface with grain boundary cracks in ultrahigh vacuum. In oxygen, prominent slip lines and transgranular cracks were observed. Also, the samples with a larger carbon content (170 wt.ppm) showed coarser slip lines in oxygen than did the samples with a smaller carbon content (50 wt.ppm). Interstitial-free samples fatigued in dry air showed very fine slip lines with the surface resembling the rumpled structure of fatigue in ultrahigh vacuum. It was suggested that CO clusters affect the dislocation motion during fatigue and control the surface structure.

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JO - Materials Science and Engineering

JF - Materials Science and Engineering

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Effects of carbon content on the surface deformation behavior of vacuum-melted iron during fatigue in ultrahigh vacuum and oxygen

Abstract

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