Wear and impact behaviour of High Velocity Air-Fuel sprayed Fe-Cr-Ni-B-C alloy coatings

Giovanni Bolelli; Andrea Milanti; Luca Lusvarghi; Lorenzo Trombi; Heli Koivuluoto; Petri Vuoristo

doi:10.1016/j.triboint.2015.11.036

Wear and impact behaviour of High Velocity Air-Fuel sprayed Fe-Cr-Ni-B-C alloy coatings

Giovanni Bolelli, Andrea Milanti, Luca Lusvarghi, Lorenzo Trombi, Heli Koivuluoto, Petri Vuoristo

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

51 Citations (Scopus)

Abstract

The tribological properties of High Velocity Air-Fuel sprayed Fe-31Cr-12Ni-3.6B-0.6C (wt%) coatings are studied as a function of the deposition parameters. At room temperature, ball-on-disk sliding against Al₂O₃ is controlled by abrasive grooving and interlamellar cracking, with some tribo-oxidation. Interlamellar crack propagation also controls the coatings response to cavitation erosion and cyclic impact tests. Coatings deposited with higher powder feed rate exhibit poorer performance under all conditions, because of weaker interlamellar cohesion. At 700 °C, sliding wear rates are levelled out, and they are one order of magnitude higher than at room temperature, because of severe abrasive grooving.

Original language	English
Pages (from-to)	372-390
Journal	Tribology International
Volume	95
Early online date	30 Nov 2015
DOIs	https://doi.org/10.1016/j.triboint.2015.11.036
Publication status	Published - 2016
Publication type	A1 Journal article-refereed

Keywords

Cavitation damage
Impact wear
Sliding contact
Thermally-sprayed coating

Publication forum classification

Publication forum level 2

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
Surfaces, Coatings and Films
Surfaces and Interfaces

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10.1016/j.triboint.2015.11.036

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title = "Wear and impact behaviour of High Velocity Air-Fuel sprayed Fe-Cr-Ni-B-C alloy coatings",

abstract = "The tribological properties of High Velocity Air-Fuel sprayed Fe-31Cr-12Ni-3.6B-0.6C (wt%) coatings are studied as a function of the deposition parameters. At room temperature, ball-on-disk sliding against Al2O3 is controlled by abrasive grooving and interlamellar cracking, with some tribo-oxidation. Interlamellar crack propagation also controls the coatings response to cavitation erosion and cyclic impact tests. Coatings deposited with higher powder feed rate exhibit poorer performance under all conditions, because of weaker interlamellar cohesion. At 700 °C, sliding wear rates are levelled out, and they are one order of magnitude higher than at room temperature, because of severe abrasive grooving.",

keywords = "Cavitation damage, Impact wear, Sliding contact, Thermally-sprayed coating",

author = "Giovanni Bolelli and Andrea Milanti and Luca Lusvarghi and Lorenzo Trombi and Heli Koivuluoto and Petri Vuoristo",

year = "2016",

doi = "10.1016/j.triboint.2015.11.036",

language = "English",

volume = "95",

pages = "372--390",

journal = "Tribology International",

issn = "0301-679X",

publisher = "Elsevier Inc.",

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TY - JOUR

T1 - Wear and impact behaviour of High Velocity Air-Fuel sprayed Fe-Cr-Ni-B-C alloy coatings

AU - Bolelli, Giovanni

AU - Milanti, Andrea

AU - Lusvarghi, Luca

AU - Trombi, Lorenzo

AU - Koivuluoto, Heli

AU - Vuoristo, Petri

PY - 2016

Y1 - 2016

N2 - The tribological properties of High Velocity Air-Fuel sprayed Fe-31Cr-12Ni-3.6B-0.6C (wt%) coatings are studied as a function of the deposition parameters. At room temperature, ball-on-disk sliding against Al2O3 is controlled by abrasive grooving and interlamellar cracking, with some tribo-oxidation. Interlamellar crack propagation also controls the coatings response to cavitation erosion and cyclic impact tests. Coatings deposited with higher powder feed rate exhibit poorer performance under all conditions, because of weaker interlamellar cohesion. At 700 °C, sliding wear rates are levelled out, and they are one order of magnitude higher than at room temperature, because of severe abrasive grooving.

AB - The tribological properties of High Velocity Air-Fuel sprayed Fe-31Cr-12Ni-3.6B-0.6C (wt%) coatings are studied as a function of the deposition parameters. At room temperature, ball-on-disk sliding against Al2O3 is controlled by abrasive grooving and interlamellar cracking, with some tribo-oxidation. Interlamellar crack propagation also controls the coatings response to cavitation erosion and cyclic impact tests. Coatings deposited with higher powder feed rate exhibit poorer performance under all conditions, because of weaker interlamellar cohesion. At 700 °C, sliding wear rates are levelled out, and they are one order of magnitude higher than at room temperature, because of severe abrasive grooving.

KW - Cavitation damage

KW - Impact wear

KW - Sliding contact

KW - Thermally-sprayed coating

U2 - 10.1016/j.triboint.2015.11.036

DO - 10.1016/j.triboint.2015.11.036

M3 - Article

AN - SCOPUS:84949804098

SN - 0301-679X

VL - 95

SP - 372

EP - 390

JO - Tribology International

JF - Tribology International

ER -

Wear and impact behaviour of High Velocity Air-Fuel sprayed Fe-Cr-Ni-B-C alloy coatings

Abstract

Keywords

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ASJC Scopus subject areas

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