Mechanical properties of nanocrystalline HVOF coatings

Simo-Pekka Hannula, T. Fält, Erja Turunen, T. Manninen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Thermal spraying (TS) is increasingly used to deposit thick wear resistant coatings on machine and equipment parts. Therefore, it is of uttermost importance to know their mechanical properties in order to tailor and optimize the coatings for various applications. Typically properties of the thermal sprayed coatings are inferior as compared to corresponding bulk materials for various reasons. Furthermore, measurement of mechanical properties of coatings is much more tedious and difficult than deriving bulk properties. In this paper, mechanical properties of alumina based nanocrystalline coatings and the measurement techniques developed are reported. A model relating the microstructure of the sprayed coatings and their properties is introduced and discussed.
Original languageEnglish
Pages (from-to)114-117
JournalMaterials Science Forum
Volume510-511
DOIs
Publication statusPublished - 2006
MoE publication typeA1 Journal article-refereed

Fingerprint

mechanical properties
coatings
Coatings
Mechanical properties
sprayed coatings
Sprayed coatings
Thermal spraying
Aluminum Oxide
spraying
Alumina
Deposits
aluminum oxides
deposits
Wear of materials
microstructure
Microstructure
Hot Temperature

Cite this

Hannula, Simo-Pekka ; Fält, T. ; Turunen, Erja ; Manninen, T. / Mechanical properties of nanocrystalline HVOF coatings. In: Materials Science Forum. 2006 ; Vol. 510-511. pp. 114-117.
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Mechanical properties of nanocrystalline HVOF coatings. / Hannula, Simo-Pekka; Fält, T.; Turunen, Erja; Manninen, T.

In: Materials Science Forum, Vol. 510-511, 2006, p. 114-117.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Fält, T.

AU - Turunen, Erja

AU - Manninen, T.

PY - 2006

Y1 - 2006

N2 - Thermal spraying (TS) is increasingly used to deposit thick wear resistant coatings on machine and equipment parts. Therefore, it is of uttermost importance to know their mechanical properties in order to tailor and optimize the coatings for various applications. Typically properties of the thermal sprayed coatings are inferior as compared to corresponding bulk materials for various reasons. Furthermore, measurement of mechanical properties of coatings is much more tedious and difficult than deriving bulk properties. In this paper, mechanical properties of alumina based nanocrystalline coatings and the measurement techniques developed are reported. A model relating the microstructure of the sprayed coatings and their properties is introduced and discussed.

AB - Thermal spraying (TS) is increasingly used to deposit thick wear resistant coatings on machine and equipment parts. Therefore, it is of uttermost importance to know their mechanical properties in order to tailor and optimize the coatings for various applications. Typically properties of the thermal sprayed coatings are inferior as compared to corresponding bulk materials for various reasons. Furthermore, measurement of mechanical properties of coatings is much more tedious and difficult than deriving bulk properties. In this paper, mechanical properties of alumina based nanocrystalline coatings and the measurement techniques developed are reported. A model relating the microstructure of the sprayed coatings and their properties is introduced and discussed.

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DO - 10.4028/www.scientific.net/MSF.510-511.114

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VL - 510-511

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JO - Materials Science Forum

JF - Materials Science Forum

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