Surface structure and corrosion resistance of carbon steel treated by AIH-MFPP using mixed shot particles of chromium (Cr) and high speed steel (SKH59)

Yuki Amano, Satoshi Amano, Takahiro Fukuoka, Jun Komotori

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this study, a new surface modification process, an atmospheric- controlled induction-heating multiple-fineparticle peening (AIH-MFPP) using mixed two kinds of shot particles, was proposed. In order to investigate the effects of AIH-MFPP, the surface of carbon steel was modified with mixed shot particles of chromium (Cr) and high speed steel (SKH59) at 900°C in argon atmosphere. The treated surfaces were characterized using a field emission- scanning electron microscope (FE-SEM), an energy dispersive X-ray spectrometer (EDX), an X-ray diffractometer (XRD) and an X-ray photoelectron spectroscope (XPS). In the case of the specimen treated by using mixed shot particles of Cr and SKH59, a relatively thick and uniform Cr rich layer was formed at the surface. The thickness of the Cr rich layer was changed with an increase in peening pressure. In the case of a specific mixed-ratio of shot particles, not only was the thickness of the Cr rich layer changed at the surface, but also the crystal structure was changed. This specimen showed higher corrosion resistance compared to that of the specimen treated by using Cr shot particle only. Moreover, there was the electrical current density of the passive state. This indicates that passive film was generated by AIH-MFPP. This was because the Cr rich layer created by AIH-MFPP was covered with a passive film of FeOOH. These results suggest that a new surface modification process ; AIH-MFPP, is promising for the improvement of the corrosion resistance of carbon steel.

Original languageEnglish
Pages (from-to)273-279
Number of pages7
JournalZairyo/Journal of the Society of Materials Science, Japan
Volume61
Issue number3
DOIs
Publication statusPublished - 2012

Fingerprint

peening
induction heating
Shot peening
Induction heating
Steel
carbon steels
Chromium
corrosion resistance
Surface structure
shot
Carbon steel
Corrosion resistance
chromium
high speed
steels
Surface treatment
spectrometers
X ray spectrometers
X rays
x rays

Keywords

  • Atmospheric control
  • Corrosion
  • Diffusion
  • Fine particle peening
  • Induction heating
  • Mixed shot particles
  • Surface modification

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics

Cite this

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title = "Surface structure and corrosion resistance of carbon steel treated by AIH-MFPP using mixed shot particles of chromium (Cr) and high speed steel (SKH59)",
abstract = "In this study, a new surface modification process, an atmospheric- controlled induction-heating multiple-fineparticle peening (AIH-MFPP) using mixed two kinds of shot particles, was proposed. In order to investigate the effects of AIH-MFPP, the surface of carbon steel was modified with mixed shot particles of chromium (Cr) and high speed steel (SKH59) at 900°C in argon atmosphere. The treated surfaces were characterized using a field emission- scanning electron microscope (FE-SEM), an energy dispersive X-ray spectrometer (EDX), an X-ray diffractometer (XRD) and an X-ray photoelectron spectroscope (XPS). In the case of the specimen treated by using mixed shot particles of Cr and SKH59, a relatively thick and uniform Cr rich layer was formed at the surface. The thickness of the Cr rich layer was changed with an increase in peening pressure. In the case of a specific mixed-ratio of shot particles, not only was the thickness of the Cr rich layer changed at the surface, but also the crystal structure was changed. This specimen showed higher corrosion resistance compared to that of the specimen treated by using Cr shot particle only. Moreover, there was the electrical current density of the passive state. This indicates that passive film was generated by AIH-MFPP. This was because the Cr rich layer created by AIH-MFPP was covered with a passive film of FeOOH. These results suggest that a new surface modification process ; AIH-MFPP, is promising for the improvement of the corrosion resistance of carbon steel.",
keywords = "Atmospheric control, Corrosion, Diffusion, Fine particle peening, Induction heating, Mixed shot particles, Surface modification",
author = "Yuki Amano and Satoshi Amano and Takahiro Fukuoka and Jun Komotori",
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T1 - Surface structure and corrosion resistance of carbon steel treated by AIH-MFPP using mixed shot particles of chromium (Cr) and high speed steel (SKH59)

AU - Amano, Yuki

AU - Amano, Satoshi

AU - Fukuoka, Takahiro

AU - Komotori, Jun

PY - 2012

Y1 - 2012

N2 - In this study, a new surface modification process, an atmospheric- controlled induction-heating multiple-fineparticle peening (AIH-MFPP) using mixed two kinds of shot particles, was proposed. In order to investigate the effects of AIH-MFPP, the surface of carbon steel was modified with mixed shot particles of chromium (Cr) and high speed steel (SKH59) at 900°C in argon atmosphere. The treated surfaces were characterized using a field emission- scanning electron microscope (FE-SEM), an energy dispersive X-ray spectrometer (EDX), an X-ray diffractometer (XRD) and an X-ray photoelectron spectroscope (XPS). In the case of the specimen treated by using mixed shot particles of Cr and SKH59, a relatively thick and uniform Cr rich layer was formed at the surface. The thickness of the Cr rich layer was changed with an increase in peening pressure. In the case of a specific mixed-ratio of shot particles, not only was the thickness of the Cr rich layer changed at the surface, but also the crystal structure was changed. This specimen showed higher corrosion resistance compared to that of the specimen treated by using Cr shot particle only. Moreover, there was the electrical current density of the passive state. This indicates that passive film was generated by AIH-MFPP. This was because the Cr rich layer created by AIH-MFPP was covered with a passive film of FeOOH. These results suggest that a new surface modification process ; AIH-MFPP, is promising for the improvement of the corrosion resistance of carbon steel.

AB - In this study, a new surface modification process, an atmospheric- controlled induction-heating multiple-fineparticle peening (AIH-MFPP) using mixed two kinds of shot particles, was proposed. In order to investigate the effects of AIH-MFPP, the surface of carbon steel was modified with mixed shot particles of chromium (Cr) and high speed steel (SKH59) at 900°C in argon atmosphere. The treated surfaces were characterized using a field emission- scanning electron microscope (FE-SEM), an energy dispersive X-ray spectrometer (EDX), an X-ray diffractometer (XRD) and an X-ray photoelectron spectroscope (XPS). In the case of the specimen treated by using mixed shot particles of Cr and SKH59, a relatively thick and uniform Cr rich layer was formed at the surface. The thickness of the Cr rich layer was changed with an increase in peening pressure. In the case of a specific mixed-ratio of shot particles, not only was the thickness of the Cr rich layer changed at the surface, but also the crystal structure was changed. This specimen showed higher corrosion resistance compared to that of the specimen treated by using Cr shot particle only. Moreover, there was the electrical current density of the passive state. This indicates that passive film was generated by AIH-MFPP. This was because the Cr rich layer created by AIH-MFPP was covered with a passive film of FeOOH. These results suggest that a new surface modification process ; AIH-MFPP, is promising for the improvement of the corrosion resistance of carbon steel.

KW - Atmospheric control

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