Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/107368
Title: Influence of cold-sprayed, warm-sprayed, and plasma-sprayed layers deposition on fatigue properties of steel specimens
Authors: Cizek, J.
Matejkova, M.
Dlouhy, I.
Siska, F.
Kay, C. M.
Karthikeyan, J.
Kuroda, S.
Kovarik, O.
Siegl, J.
Loke, K.
Khor, Khiam Aik
Keywords: DRNTU::Engineering::Materials::Material testing and characterization
Issue Date: 2015
Source: Cizek, J., Matejkova, M., Dlouhy, I., Siska, F., Kay, C. M., Karthikeyan, J., et al. A. Influence of cold-sprayed, warm-sprayed, and plasma-sprayed layers deposition on fatigue properties of steel specimens. Journal of thermal spray technology, 24(5), 758-768.
Series/Report no.: Journal of thermal spray technology
Abstract: Titanium powder was deposited onto steel specimens using four thermal spray technologies: plasma spray, low-pressure cold spray, portable cold spray, and warm spray. The specimens were then subjected to strain-controlled cyclic bending test in a dedicated in-house built device. The crack propagation was monitored by observing the changes in the resonance frequency of the samples. For each series, the number of cycles corresponding to a pre-defined specimen cross-section damage was used as a performance indicator. It was found that the grit-blasting procedure did not alter the fatigue properties of the steel specimens (1% increase as compared to as-received set), while the deposition of coatings via all four thermal spray technologies significantly increased the measured fatigue lives. The three high-velocity technologies led to an increase of relative lives to 234% (low-pressure cold spray), 210% (portable cold spray), and 355% (warm spray) and the deposition using plasma spray led to an increase of relative lives to 303%. The observed increase of high-velocity technologies (cold and warm spray) could be attributed to a combination of homogeneous fatigue-resistant coatings and induction of peening stresses into the substrates via the impingement of the high-kinetic energy particles. Given the intrinsic character of the plasma jet (low-velocity impact of semi/molten particles) and the mostly ceramic character of the coating (oxides, nitrides), a hypothesis based on non-linear coatings behavior is provided in the paper.
URI: https://hdl.handle.net/10356/107368
http://hdl.handle.net/10220/25626
DOI: 10.1007/s11666-015-0240-4
Rights: © 2015 ASM Internatioanl. This paper was published in Journal of Thermal Spray Technology and is made available as an electronic reprint (preprint) with permission of Springer. The paper can be found at the following official DOI: [http://dx.doi.org/10.1007/s11666-015-0240-4]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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