Dust explosion characteristics of aluminum, titanium, zinc, and iron-based alloy powders used in cold spray processing

K. Sakata, K. Tagomori, N. Sugiyama, S. Sasaki, Y. Shinya, T. Nanbu, Y. Kawashita, I. Narita, K. Kuwatori, T. Ikeda, R. Hara, Hirofumi Miyahara

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Compared to conventional thermal spray coating, cold spray processing typically employs finer, smaller-diameter metal powders. Furthermore, cold-sprayed particles exhibit fewer surface oxides than thermally sprayed particles due to the absence of particle melting during spraying. For these reasons, it is important to consider the potential for dust explosions or fires during cold spray processing, for both industrial and R&D applications. This work examined the dust explosion characteristics of metal powders typically used in cold spray coating, for the purpose of preventing dust explosions and fires and thus protecting the health and safety of workers and guarding against property damage. In order to safely make use of the new cold spray technology in industrial settings, it is necessary to manage the risks based on an appropriate assessment of the hazards. However, there have been few research reports focused on such risk management. Therefore, in this study, the dust explosion characteristics of aluminum, titanium, zinc, carbonyl iron, and eutectoid steel containing chromium at 4 wt.% (4 wt.% Cr-eutectoid steel) powders were evaluated according to the standard protocols JIS Z 8818, IEC61241-2-3(1994-09) section 3, and JIS Z 8817. This paper reports our results concerning the dust explosion properties of the above-mentioned metal powders.

Original languageEnglish
Pages (from-to)123-130
Number of pages8
JournalJournal of Thermal Spray Technology
Volume23
Issue number1-2
DOIs
Publication statusPublished - Jan 1 2014

Fingerprint

Titanium
Aluminum
Powders
Explosions
sprayers
Dust
explosions
Zinc
Iron
titanium
zinc
dust
metal powder
Powder metals
aluminum
iron
Processing
Carbon steel
coating
Fires

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Dust explosion characteristics of aluminum, titanium, zinc, and iron-based alloy powders used in cold spray processing. / Sakata, K.; Tagomori, K.; Sugiyama, N.; Sasaki, S.; Shinya, Y.; Nanbu, T.; Kawashita, Y.; Narita, I.; Kuwatori, K.; Ikeda, T.; Hara, R.; Miyahara, Hirofumi.

In: Journal of Thermal Spray Technology, Vol. 23, No. 1-2, 01.01.2014, p. 123-130.

Research output: Contribution to journalArticle

Sakata, K, Tagomori, K, Sugiyama, N, Sasaki, S, Shinya, Y, Nanbu, T, Kawashita, Y, Narita, I, Kuwatori, K, Ikeda, T, Hara, R & Miyahara, H 2014, 'Dust explosion characteristics of aluminum, titanium, zinc, and iron-based alloy powders used in cold spray processing', Journal of Thermal Spray Technology, vol. 23, no. 1-2, pp. 123-130. https://doi.org/10.1007/s11666-013-0043-4
Sakata, K. ; Tagomori, K. ; Sugiyama, N. ; Sasaki, S. ; Shinya, Y. ; Nanbu, T. ; Kawashita, Y. ; Narita, I. ; Kuwatori, K. ; Ikeda, T. ; Hara, R. ; Miyahara, Hirofumi. / Dust explosion characteristics of aluminum, titanium, zinc, and iron-based alloy powders used in cold spray processing. In: Journal of Thermal Spray Technology. 2014 ; Vol. 23, No. 1-2. pp. 123-130.
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