Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance

Sun Hui Yao, Yean-Liang Su, Hung Yu Shu, Chia I. Lee, Zong Ling You

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

Abstract

This paper reports a comparative study on characterization and thermal shock behavior of air plasma sprayed Al2O3-13wt.%TiO2 coatings using two kinds of raw materials, i.e. nanostructural and micro-structural (traditional) feedstock powders. The characterization, before and after thermal shock test, was carried out using micro-Vickers hardness tester, XRD and SEM. The thermal shock test was carried out using a water quenching method by employing cyclic heat treatment between ambient temperature and 650°C in air. The results showed that in spite of having denser structure, the nano-structural coating showed hardness a little lower than the traditional one at both conditions of before and after thermal shock tests. However, the nano-structural coating showed very good thermal shock behaviour.

Original languageEnglish
Title of host publicationEngineering Tribology and Materials - ICETAT 2016
EditorsYunn Lin Hwang, Jeng Haur Horng
PublisherTrans Tech Publications Ltd
Pages103-107
Number of pages5
ISBN (Print)9783035710762
DOIs
Publication statusPublished - 2017 Jan 1
EventInternational Conference on Engineering Tribology and Applied Technology, ICETAT 2016 - Taipei, Taiwan
Duration: 2016 Nov 42016 Nov 6

Publication series

NameKey Engineering Materials
Volume739 KEM
ISSN (Print)1013-9826

Other

OtherInternational Conference on Engineering Tribology and Applied Technology, ICETAT 2016
CountryTaiwan
CityTaipei
Period16-11-0416-11-06

Fingerprint

Sprayed coatings
Thermal shock
Plasmas
Air
Coatings
Vickers hardness
Powders
Feedstocks
Quenching
Raw materials
Hardness
Heat treatment
Scanning electron microscopy
Water
Temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Yao, S. H., Su, Y-L., Shu, H. Y., Lee, C. I., & You, Z. L. (2017). Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance. In Y. L. Hwang, & J. H. Horng (Eds.), Engineering Tribology and Materials - ICETAT 2016 (pp. 103-107). (Key Engineering Materials; Vol. 739 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.739.103
Yao, Sun Hui ; Su, Yean-Liang ; Shu, Hung Yu ; Lee, Chia I. ; You, Zong Ling. / Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance. Engineering Tribology and Materials - ICETAT 2016. editor / Yunn Lin Hwang ; Jeng Haur Horng. Trans Tech Publications Ltd, 2017. pp. 103-107 (Key Engineering Materials).
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Yao, SH, Su, Y-L, Shu, HY, Lee, CI & You, ZL 2017, Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance. in YL Hwang & JH Horng (eds), Engineering Tribology and Materials - ICETAT 2016. Key Engineering Materials, vol. 739 KEM, Trans Tech Publications Ltd, pp. 103-107, International Conference on Engineering Tribology and Applied Technology, ICETAT 2016, Taipei, Taiwan, 16-11-04. https://doi.org/10.4028/www.scientific.net/KEM.739.103

Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance. / Yao, Sun Hui; Su, Yean-Liang; Shu, Hung Yu; Lee, Chia I.; You, Zong Ling.

Engineering Tribology and Materials - ICETAT 2016. ed. / Yunn Lin Hwang; Jeng Haur Horng. Trans Tech Publications Ltd, 2017. p. 103-107 (Key Engineering Materials; Vol. 739 KEM).

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

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T1 - Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance

AU - Yao, Sun Hui

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AU - You, Zong Ling

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N2 - This paper reports a comparative study on characterization and thermal shock behavior of air plasma sprayed Al2O3-13wt.%TiO2 coatings using two kinds of raw materials, i.e. nanostructural and micro-structural (traditional) feedstock powders. The characterization, before and after thermal shock test, was carried out using micro-Vickers hardness tester, XRD and SEM. The thermal shock test was carried out using a water quenching method by employing cyclic heat treatment between ambient temperature and 650°C in air. The results showed that in spite of having denser structure, the nano-structural coating showed hardness a little lower than the traditional one at both conditions of before and after thermal shock tests. However, the nano-structural coating showed very good thermal shock behaviour.

AB - This paper reports a comparative study on characterization and thermal shock behavior of air plasma sprayed Al2O3-13wt.%TiO2 coatings using two kinds of raw materials, i.e. nanostructural and micro-structural (traditional) feedstock powders. The characterization, before and after thermal shock test, was carried out using micro-Vickers hardness tester, XRD and SEM. The thermal shock test was carried out using a water quenching method by employing cyclic heat treatment between ambient temperature and 650°C in air. The results showed that in spite of having denser structure, the nano-structural coating showed hardness a little lower than the traditional one at both conditions of before and after thermal shock tests. However, the nano-structural coating showed very good thermal shock behaviour.

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Yao SH, Su Y-L, Shu HY, Lee CI, You ZL. Comparative study on nano-structural and traditional Al2O3-13TiO2 air plasma sprayed coatings and their thermal shock performance. In Hwang YL, Horng JH, editors, Engineering Tribology and Materials - ICETAT 2016. Trans Tech Publications Ltd. 2017. p. 103-107. (Key Engineering Materials). https://doi.org/10.4028/www.scientific.net/KEM.739.103