Effect of shot particle on the mechanism of creating a modified layer by atmospheric controlled IH-FPP treatment

Takahiro Fukuoka, Shoichi Kikuchi, Jun Komotori, Kengo Fukazawa, Yoshitaka Misaka, Kazuhiro Kawasaki

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Basic mechanisms of generating a surface modified layer formed by a previously developed atmospheric controlled IH-FPP system, consisting of induction heating system and fine particle peening system, were investigated. Three types of specimen treated at 900°C in argon with Cr, Al 2O3 and Cu shot particles were prepared. Surface microstructures of the treated commercialgrade pure iron were characterized with a scanning electron microscope (SEM), an energy dispersive X-ray spectrometer (EDX) and an X-ray diffraction analysis (XRD). When treatment was carried out using Cr particles, the transferred layer and the diffused layer of the shot-particle element formed at the treated surface. This was because the radius of Cr atom was almost the same as that of the Fe, thus forming a solid solution in the substrate. Conversely, when the treatment was applied using chemically stable Al2O3 particles, a transferred layer only was observed. In the case of Cu particles, adhesion occurred due to the low melting temperature of Cu particles, resulting in the formation of a thick adhesive layer such as that generated by thermal spraying. These results suggest that the characteristics of the modified layer, generated by the atmospheric controlled IH-FPP treatment system, can be controlled by varying the shot particles and other processing parameters.

Original languageEnglish
Pages (from-to)372-378
Number of pages7
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume75
Issue number7
DOIs
Publication statusPublished - 2011 Jul

Fingerprint

shot
X ray spectrometers
Thermal spraying
Shot peening
Induction heating
Argon
X ray diffraction analysis
Melting point
Solid solutions
Adhesives
Electron microscopes
Adhesion
Iron
Scanning
Atoms
Microstructure
Substrates
peening
Processing
induction heating

Keywords

  • Atmospheric control
  • Fine particle peening
  • Induction heating
  • Induction heating-fine particle peening (IH-FPP) system
  • Surface modification

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys
  • Condensed Matter Physics

Cite this

Effect of shot particle on the mechanism of creating a modified layer by atmospheric controlled IH-FPP treatment. / Fukuoka, Takahiro; Kikuchi, Shoichi; Komotori, Jun; Fukazawa, Kengo; Misaka, Yoshitaka; Kawasaki, Kazuhiro.

In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, Vol. 75, No. 7, 07.2011, p. 372-378.

Research output: Contribution to journalArticle

Fukuoka, Takahiro ; Kikuchi, Shoichi ; Komotori, Jun ; Fukazawa, Kengo ; Misaka, Yoshitaka ; Kawasaki, Kazuhiro. / Effect of shot particle on the mechanism of creating a modified layer by atmospheric controlled IH-FPP treatment. In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 2011 ; Vol. 75, No. 7. pp. 372-378.
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