Investigations on erosion performance of carbon fiber–epoxy-based composite adhesion on 16Cr5Ni steel

The material S235JR was spray-coated with iron-based chromium carbide in the present study. The effects of the initial surface roughness on slurry erosion were investigated. Samples with a rough surface and polished surface were used. The impact of particle concentration, impact velocity and impact angle was studied on the slurry erosion characteristics in terms of mass loss, surface roughness and surface temperature. In addition, the surfaces were analysed using a scanning electron microscope (SEM). Further, the estimation equation has been derived using response surface method (RSM) based on the data obtained in the study. The results show that velocity and concentration are the key factors in determining the mass loss and surface temperature while the impact angle has a relatively minor role. Mass losses in rough samples ranged from 8.8 mg to 40 mg; in polished samples, the range ranged from 5.6 mg to 10.9 mg.

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Erosion wear investigation of Fe-Cr-Ti coating with varying boron content

Sharma,

Kumar

2024

Proceedings of the Institution of Mechanical Engineers, Part E:

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The current work examines the role of the addition of boron on the microstructure, mechanical characteristics, and slurry erosion wear behaviour of the Fe-Cr-Ti alloy. Five distinct Fe-Cr-Ti alloy coatings were prepared, each with varying boron contents (ranging from 0% to 20% by weight), and subsequently applied to 316L steel using the HVOF method. The study encompassed an assessment of mechanical characteristics, including hardness, adhesion tensile strength, and fracture toughness, alongside an examination of slurry erosion wear behavior employing a slurry jet erosion wear tester. X-ray diffraction (XRD) analysis confirmed the emergence of Fe2Br, contributing to the enhancement in the mechanical properties. Remarkably, the addition of 5% boron resulted in a notable improvement in the hardness and adhesion tensile strength by 2.3%, and 9% respectively, but a significant improvement in fracture toughness by 45%. As the impact speed increased from 35 m/sec to 70 m/sec and the slurry concentration increased from 10 weight per cent to 20 weight per cent, and wear rate increased by 51% and 37.7%, respectively. Conversely, an elevation in the impingement angle between 30° and 60° led to a 69.5% increase in wear rate, whereas between 60° and 90°, it resulted in a reduction of 19.3%.

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Investigations on erosion performance of carbon fiber–epoxy-based composite adhesion on 16Cr5Ni steel

Cited by 3 publications

References 63 publications

Slurry erosion behavior of Hogonas + 50%WC cladded SS304 steel prepared using variable laser cladding parameters

Slurry erosion behavior of Hogonas + 50%WC cladded SS304 steel prepared using variable laser cladding parameters

Understanding the slurry erosion behaviour of iron-based chromium carbide coating material during deposition via arc spray coating method

Erosion wear investigation of Fe-Cr-Ti coating with varying boron content

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