| Effects of Process Parameters on the Coating Properties of APS TiO2 ioceramic Coatings |
| Hak-Kwak Kim, Ju-Woong Jang, Byoung-Soo Kim, Ji-Woong Moon1, Deuk-Yong Lee2, Chang-Hee Lee3 |
Woory Dong Myung Dental Material Research Center
1Pottery Research Center, Korea Institute of Ceramic Engineering and Technology
2Department Materials Engineering, Daelim College of Technology
3Division of Materials Science and Engineering, Hanyang University |
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| ABSTRACT |
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The effects of process parameters on coating formation and coating properties were investigated using a fused and crushed Ti $O_2$powder by the Taguchi method and L$_{9}$(3$^4$) orthogonal array. The Taguchi analysis was conducted through the results of the coating properties affected strongly by plasma spraying parameters and Ti $O_2$powder was sprayed on Ti-6Al-4V alloy substrate. The coating properties were characterized by thickness, microhardness, porosity and surface roughness using optical microscopy, image analyzer and surface roughness tester respectively. An observed optimum condition of plasma spraying process could be found for potential use as a bioceramic coating. Ѐ䔀Ѐ 䔀Ѐ ࠀ 䄀厧Ā厧Ā ̀ 郧ﺖ⨀ 聰㘂 낹缀 偫⨀ ⁉⨀ ⨀ Ȁ j⨀ ⨀ Ā 砨⨀ ⨀ 开 Āᣪﺖ⨀ 䂥ﺖ⨀ ሀ 碤ﺖ⨀ ሀ 䂥ﺖ⨀ ሀ 㑧잖⨀ ࠀ 㤝ᦨĀᦨĀ ̀ 㑧잖⨀ 厧Ā ᢦﺖ⨀ 墦ﺖ⨀ 磬ﺖ⨀ 硠ﺖ⨀ ﺖ⨀ Ԁ Ā ࢦﺖ⨀ Ѐ 褎 돀ハﺖ⨀ 塨 |
| Key words:
Taguchi analytical method $TiO_2$, Plasma spraying, Surface roughness, Porosity, Microhardness |
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