Abstract
The structural evolution of the overlapping bead zone of Fe-Cr-V-Mo-C plasma-transferred arc (PTA) multiple-pass coating has been investigated. The overlapping bead 2–2.5 mm width zone experienced high-temperature re-heating from a successive bead deposition, which resulted in its structural evolution as compared to that of the previously deposited metal. At least three microstructurally different regions have been found inside the re-heated zone as follows: high-tempered region, eutectic carbide recrystallization region and incomplete melting region. These three structurally different regions were characterized by different microhardness and wear resistance levels. Basing upon the results of microstructural characterization, we offer schematics of the coating formation during deposition as well as discuss the role of microstructure in wear.
| Original language | English |
|---|---|
| Pages (from-to) | 272-280 |
| Number of pages | 9 |
| Journal | Surface and Coatings Technology |
| Volume | 329 |
| DOIs | |
| Publication status | Published - 25 Nov 2017 |
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Keywords
- Hardfacing
- Microhardness
- Microstructure
- Plasma-transferred arc deposition
- Wear
ASJC Scopus subject areas
- Chemistry(all)
- Condensed Matter Physics
- Surfaces and Interfaces
- Surfaces, Coatings and Films
- Materials Chemistry
Cite this
Structural modification in a re-heated bead-overlapping zone of the multiple-pass plasma-transferred arc Fe-Cr-V-Mo-C coating. / Degterev, A. S.; Gnyusov, S. F.; Tarasov, S. Yu.
In: Surface and Coatings Technology, Vol. 329, 25.11.2017, p. 272-280.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Structural modification in a re-heated bead-overlapping zone of the multiple-pass plasma-transferred arc Fe-Cr-V-Mo-C coating
AU - Degterev, A. S.
AU - Gnyusov, S. F.
AU - Tarasov, S. Yu
PY - 2017/11/25
Y1 - 2017/11/25
N2 - The structural evolution of the overlapping bead zone of Fe-Cr-V-Mo-C plasma-transferred arc (PTA) multiple-pass coating has been investigated. The overlapping bead 2–2.5 mm width zone experienced high-temperature re-heating from a successive bead deposition, which resulted in its structural evolution as compared to that of the previously deposited metal. At least three microstructurally different regions have been found inside the re-heated zone as follows: high-tempered region, eutectic carbide recrystallization region and incomplete melting region. These three structurally different regions were characterized by different microhardness and wear resistance levels. Basing upon the results of microstructural characterization, we offer schematics of the coating formation during deposition as well as discuss the role of microstructure in wear.
AB - The structural evolution of the overlapping bead zone of Fe-Cr-V-Mo-C plasma-transferred arc (PTA) multiple-pass coating has been investigated. The overlapping bead 2–2.5 mm width zone experienced high-temperature re-heating from a successive bead deposition, which resulted in its structural evolution as compared to that of the previously deposited metal. At least three microstructurally different regions have been found inside the re-heated zone as follows: high-tempered region, eutectic carbide recrystallization region and incomplete melting region. These three structurally different regions were characterized by different microhardness and wear resistance levels. Basing upon the results of microstructural characterization, we offer schematics of the coating formation during deposition as well as discuss the role of microstructure in wear.
KW - Hardfacing
KW - Microhardness
KW - Microstructure
KW - Plasma-transferred arc deposition
KW - Wear
UR - http://www.scopus.com/inward/record.url?scp=85030106705&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85030106705&partnerID=8YFLogxK
U2 - 10.1016/j.surfcoat.2017.09.054
DO - 10.1016/j.surfcoat.2017.09.054
M3 - Article
VL - 329
SP - 272
EP - 280
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
SN - 0257-8972
ER -