The effect of laser treatment of WC-Co coatings on their failure under thermal cycling

Artur Kasterov, Artur Shugurov, Marina Kazachenok, Alexey Panin, Chin Hsiang Cheng, I. Ling Chang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The given paper studies the effect of surface laser treatment of WC-Co coatings on their surface morphology, phase composition and thermal cycling behavior. The coatings were sprayed on stainless steel substrates with the use of a high velocity oxy fuel spraying process. Application of the scanning electron microscopy and X-ray diffraction showed that re-melting of the coating surface layer during laser treatment induced changes in its phase composition as well as the formation of regular rows of globular asperities on the coating surface. The latter resulted in a sharp increase in thermal shock resistance of the laser treated WC-Co coatings under water quench tests; its underlying mechanism are proposed and discussed in the paper.

Original languageEnglish
Title of host publicationAdvanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
PublisherAmerican Institute of Physics Inc.
Volume1783
ISBN (Electronic)9780735414457
DOIs
Publication statusPublished - 10 Nov 2016
EventInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 - Tomsk, Russian Federation
Duration: 19 Sep 201623 Sep 2016

Conference

ConferenceInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
CountryRussian Federation
CityTomsk
Period19.9.1623.9.16

Fingerprint

coatings
cycles
underwater tests
lasers
HVOF thermal spraying
shock resistance
sprayed coatings
thermal shock
stainless steels
surface layers
melting
scanning electron microscopy
diffraction
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kasterov, A., Shugurov, A., Kazachenok, M., Panin, A., Cheng, C. H., & Chang, I. L. (2016). The effect of laser treatment of WC-Co coatings on their failure under thermal cycling. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 (Vol. 1783). [020083] American Institute of Physics Inc.. https://doi.org/10.1063/1.4966376

The effect of laser treatment of WC-Co coatings on their failure under thermal cycling. / Kasterov, Artur; Shugurov, Artur; Kazachenok, Marina; Panin, Alexey; Cheng, Chin Hsiang; Chang, I. Ling.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016. 020083.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kasterov, A, Shugurov, A, Kazachenok, M, Panin, A, Cheng, CH & Chang, IL 2016, The effect of laser treatment of WC-Co coatings on their failure under thermal cycling. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. vol. 1783, 020083, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016, Tomsk, Russian Federation, 19.9.16. https://doi.org/10.1063/1.4966376
Kasterov A, Shugurov A, Kazachenok M, Panin A, Cheng CH, Chang IL. The effect of laser treatment of WC-Co coatings on their failure under thermal cycling. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783. American Institute of Physics Inc. 2016. 020083 https://doi.org/10.1063/1.4966376
Kasterov, Artur ; Shugurov, Artur ; Kazachenok, Marina ; Panin, Alexey ; Cheng, Chin Hsiang ; Chang, I. Ling. / The effect of laser treatment of WC-Co coatings on their failure under thermal cycling. Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016.
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