Creation of hydroxyapatite film on human enamel utilized powder jet deposition

Kei Sato; Chihiro Nishikawa; Takayuki Hagiwara; Keita Shimada; Wataru Horiuchi; Ken Matsumura; Ryo Akatsuka; Keiichi Sasaki; Tsutomu Ishizaki; Tadayoshi Arakawa; Kazushi Ohta; Masayoshi Mizutani; Tsunemoto Kuriyagawa

doi:10.1299/kikaic.79.4634

Creation of hydroxyapatite film on human enamel utilized powder jet deposition

Kei Sato, Chihiro Nishikawa, Takayuki Hagiwara, Keita Shimada, Wataru Horiuchi, Ken Matsumura, Ryo Akatsuka, Keiichi Sasaki, Tsutomu Ishizaki, Tadayoshi Arakawa, Kazushi Ohta, Masayoshi Mizutani, Tsunemoto Kuriyagawa

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

Abstract

Powder jet deposition (PJD) is a coating process using accelerated particles. In this process, accelerated ceramic particles are impacted on a substrate, and fractured particles partly adhere to it. We have proposed to apply this process to dental treatment. In this study, the effects of the diameter (dg) and the velocity (vg) of a hydroxyapatite particle on PJD process to human enamel were investigated by using a smoothed particle hydrodynamics (SPH) method. Optimized conditions were clarified through the SPH simulations, and PJD experiments were conducted under the obtained conditions. It was found that the surface of the enamel substrate was partly removed when the mean particle diameter dg = 4.65 μm and the mean particle velocity vg = 250 m/s, and coated layers were formed on the human enamel substrates when dg = 4.65 μm and vg = 200 m/s, or dg = 3.18 μm and vg = 200, 250 m/s.

Original language	English
Pages (from-to)	4634-4642
Number of pages	9
Journal	Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	79
Issue number	808
DOIs	https://doi.org/10.1299/kikaic.79.4634
Publication status	Published - 2013

Keywords

Coating
Enamel
Hydroxyapatite
Non-traditional machining
Particle image velocimetry
Particle impact
Powder jet deposition

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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Sato, K., Nishikawa, C., Hagiwara, T., Shimada, K., Horiuchi, W., Matsumura, K., Akatsuka, R., Sasaki, K., Ishizaki, T., Arakawa, T., Ohta, K., Mizutani, M., & Kuriyagawa, T. (2013). Creation of hydroxyapatite film on human enamel utilized powder jet deposition. Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, 79(808), 4634-4642. https://doi.org/10.1299/kikaic.79.4634

Creation of hydroxyapatite film on human enamel utilized powder jet deposition. / Sato, Kei; Nishikawa, Chihiro; Hagiwara, Takayuki; Shimada, Keita; Horiuchi, Wataru; Matsumura, Ken; Akatsuka, Ryo; Sasaki, Keiichi; Ishizaki, Tsutomu; Arakawa, Tadayoshi; Ohta, Kazushi; Mizutani, Masayoshi ; Kuriyagawa, Tsunemoto.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 79, No. 808, 2013, p. 4634-4642.

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

Sato, K, Nishikawa, C, Hagiwara, T, Shimada, K, Horiuchi, W, Matsumura, K, Akatsuka, R, Sasaki, K, Ishizaki, T, Arakawa, T, Ohta, K, Mizutani, M & Kuriyagawa, T 2013, 'Creation of hydroxyapatite film on human enamel utilized powder jet deposition', Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, vol. 79, no. 808, pp. 4634-4642. https://doi.org/10.1299/kikaic.79.4634

Sato, Kei ; Nishikawa, Chihiro ; Hagiwara, Takayuki ; Shimada, Keita ; Horiuchi, Wataru ; Matsumura, Ken ; Akatsuka, Ryo ; Sasaki, Keiichi ; Ishizaki, Tsutomu ; Arakawa, Tadayoshi ; Ohta, Kazushi ; Mizutani, Masayoshi ; Kuriyagawa, Tsunemoto. / Creation of hydroxyapatite film on human enamel utilized powder jet deposition. In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 2013 ; Vol. 79, No. 808. pp. 4634-4642.

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abstract = "Powder jet deposition (PJD) is a coating process using accelerated particles. In this process, accelerated ceramic particles are impacted on a substrate, and fractured particles partly adhere to it. We have proposed to apply this process to dental treatment. In this study, the effects of the diameter (dg) and the velocity (vg) of a hydroxyapatite particle on PJD process to human enamel were investigated by using a smoothed particle hydrodynamics (SPH) method. Optimized conditions were clarified through the SPH simulations, and PJD experiments were conducted under the obtained conditions. It was found that the surface of the enamel substrate was partly removed when the mean particle diameter dg = 4.65 μm and the mean particle velocity vg = 250 m/s, and coated layers were formed on the human enamel substrates when dg = 4.65 μm and vg = 200 m/s, or dg = 3.18 μm and vg = 200, 250 m/s.",

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AU - Matsumura, Ken

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AU - Sasaki, Keiichi

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AU - Ohta, Kazushi

AU - Mizutani, Masayoshi

AU - Kuriyagawa, Tsunemoto

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AB - Powder jet deposition (PJD) is a coating process using accelerated particles. In this process, accelerated ceramic particles are impacted on a substrate, and fractured particles partly adhere to it. We have proposed to apply this process to dental treatment. In this study, the effects of the diameter (dg) and the velocity (vg) of a hydroxyapatite particle on PJD process to human enamel were investigated by using a smoothed particle hydrodynamics (SPH) method. Optimized conditions were clarified through the SPH simulations, and PJD experiments were conducted under the obtained conditions. It was found that the surface of the enamel substrate was partly removed when the mean particle diameter dg = 4.65 μm and the mean particle velocity vg = 250 m/s, and coated layers were formed on the human enamel substrates when dg = 4.65 μm and vg = 200 m/s, or dg = 3.18 μm and vg = 200, 250 m/s.

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KW - Particle image velocimetry

KW - Particle impact

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