Effects of friction stir processing on wear properties of WC–12%Co sprayed on 52100 steel

Rahbar-Kelishami, Ahmad; Abdollah-zadeh, A.; Hadavi, M.; Banerji, A.; Alpas, A.T.; Gerlich, A.P.

doi:10.1016/j.matdes.2015.06.132

Cited by 29 publications

(5 citation statements)

References 32 publications

(37 reference statements)

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“…To mitigate the aforementioned disadvantages of the cold spray process, shallow penetration friction stir processing (FSP) is employed to modify the deposited coating and top surface of the substrate. The FSP process is detailed in prior studies [8,24,25].…”

Section: Introductionmentioning

confidence: 99%

Enhanced erosion performance of cold spray co-deposited AISI316 MMCs modified by friction stir processing

et al. 2017

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The present study reports on the erosion properties of a novel surface engineering process combining cold spray and friction stir processing. Tungsten carbide (WC-CoCr) and aluminium oxide (Al2O3) powders were cold spray co-deposited with AISI316 using a twin powder feed system. The deposited coatings were subsequently friction stir processed to refine and redistribute the reinforcing particles and remove the coating-to-substrate interface layer, thus generating a new metal matrix composite surface. Microstructural analysis of the SprayStirred (cold sprayed then friction stirred) specimens revealed significant particle refinement and improved particle distribution over the as-deposited coatings. The erosion performance of these SprayStirred surfaces was evaluated using a flowing slurry and demonstrated an 80% decrease in volume loss over the as-received AISI316 at 30° angle of attack. For SprayStirred WC-CoCr, microhardness measurements indicated an increase of approx. 530% over the unaltered AISI316 and 100% over the cold sprayed coating. These findings highlight the considerable increase in erosion performance of the SprayStirred specimens, and thus demonstrate the benefits of this innovative surface engineering process. This outcome is attributed to dispersion strengthening, imparted by the refined tungsten carbides. Furthermore, the SprayStirred WC-CoCr coating exhibited an 85% reduction in volume loss over an HVOF sprayed WC-CoCr coating

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Section: Introductionmentioning

confidence: 99%

Enhanced erosion performance of cold spray co-deposited AISI316 MMCs modified by friction stir processing

et al. 2017

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“…A mathematical model has been created that describes the process of changing the size [13,14] of a conical movable spring insert in the sliding bearing of the cardan shaft crosspiece [15,16,18].…”

Section: Fig 1 Innovative Repair Kitmentioning

confidence: 99%

Diagnostics of an innovative repair kit for transport equipment units

Kushaliev,

Zabieva,

Balgynova

et al. 2023

Diagnostyka

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The article presents the transmission of a truck, where innovative repair kits of the driveshaft crosspiece are used. The crosspiece is an element of the transmission, and transmits all the torque from the gearbox to the wheels of the car, therefore it is a heavily loaded part. A mathematical model has been developed that describes in detail the process of changing the size of a movable conical spring insert in a sliding bearing used in the mechanism of the cardan shaft crosspiece. The innovative repair kit is designed to improve performance by introducing an elastic intermediate element into the bearing. This element is a movable insert in the form of a helical or conical spring, and its compressible force is adjustable. This creates a tight seal on the working surfaces, preventing oxidative processes and activation of microplastic deformation of the surface.

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“…It is normally present in the form of nanosized powder, sintered or agglomerated in soft Co to generate WC-Co MMCs. WCCo protecting coating is one of the most important products of WC-Co MMCs, commonly used for preventing the underlying base materials from serious wear in aggressive environments [79]. e WC-Co coating fabrication mostly relies on hightemperature thermal spray processes to melt the Co matrix phase in the agglomerated WC-Co powder feedstock for achieving superior cohesion [79][80][81][82][83].…”

Section: D Nanoparticle-reinforced Mmcmentioning

confidence: 99%

Cold‐Sprayed Metal Coatings with Nanostructure

Yin

Chen

Suo

et al. 2018

Advances in Materials Science and Engineering

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Cold spray is a solid-state coating deposition technology developed in the 1980s. In comparison with conventional thermal spray processes, cold spray can retain the original properties of feedstock, prevent the adverse influence on the underlying substrate materials, and produce very thick coatings. Coatings with nanostructure offer the potential for significant improvements in physical and mechanical properties as compared with conventional non-nanostructured coatings. Cold spray has also demonstrated great capability to produce coatings with nanostructure. is paper is aimed at providing a comprehensive overview of cold-sprayed metal coatings with nanostructure. A brief introduction of the cold spray technology is provided first. e nanocrystallization phenomenon in the conventional cold-sprayed metal coatings is then addressed. ereafter, focus is switched to the microstructure and properties of the cold-sprayed nanocrystalline metal coatings, and the cold-sprayed nanomaterialreinforced metal matrix composite (MMC) coatings. At the end, summary and future perspectives of the cold spray technology in producing metal coatings with nanostructure are concluded.

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Effects of friction stir processing on wear properties of WC–12%Co sprayed on 52100 steel

Cited by 29 publications

References 32 publications

Enhanced erosion performance of cold spray co-deposited AISI316 MMCs modified by friction stir processing

Enhanced erosion performance of cold spray co-deposited AISI316 MMCs modified by friction stir processing

Diagnostics of an innovative repair kit for transport equipment units

Cold‐Sprayed Metal Coatings with Nanostructure

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