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Abstract
eCoCrNiMn high entropy alloy powders were employed to produce coatings on carbon steel through high pressure cold spray (at 1100 °C and 7 MPa in temperature and pressure respectively). X-ray diffraction of the sprayed material revealed a dense coating with the retention of the original crystallographic structure. Once splatted, particles revealed high flattening ratio with consequent excellent adhesion of the coating to the substrate. Residual stresses and hardness increased through the thickness of the coating. The cyclic behavior of the coatings was evaluated through bending tests. The cyclic bending tests were performed by linearly increase the maximum deformation at a fixed number of loading cycles. Other bending tests were conducted at fixed maximum stroke at the same deformation levels indicated for the previous test up to the coating fracture. For ach 100 cycles the test was stopped in order to observe the coating surface to gain the possibility of evaluating the aspect of the superficial fracture. The fracture surface of the coatings was observed through scanning electron microscopy in order to describe the cracking features related to the different loading conditions imposed to the coatings.
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Authors (8)
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Pasquale Cavaliere
- Department of Innovation Engineering, University of Salento, Via per Arnesano, 73100 Lecce, Italy
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Angelo Perrone
- Department of Innovation Engineering, University of Salento, Via per Arnesano, 73100 Lecce, Italy
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Alessio Silvello
- Thermal Spray Center CPT, Universitat de Barcelona, Barcelona, Spain
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Gianni Blasi
- Department of Innovation Engineering, University of Salento, Via per Arnesano, 73100 Lecce, Italy
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Irene G. Cano
- Thermal Spray Center CPT, Universitat de Barcelona, Barcelona, Spain
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Behzad Sadeghi
- Centre of Excellence for Advanced Materials Application, Slovak Academy of Sciences, Dubravska Cesta 9, 84511, Bratislava, Slovak Republic
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S. Nagy
- Centre of Excellence for Advanced Materials Application, Slovak Academy of Sciences, Dubravska Cesta 9, 84511, Bratislava, Slovak Republic
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF ALLOYS AND COMPOUNDS
no. 931,
ISSN: 0925-8388 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Cavaliere P., Perrone A., Silvello A., Laska A., Blasi G., Cano I. G., Sadeghi B., Nagy S.: Cyclic behavior of FeCoCrNiMn high entropy alloy coatings produced through cold spray// JOURNAL OF ALLOYS AND COMPOUNDS -Vol. 931, (2023),
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jallcom.2022.167550
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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