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Fe–Cr–Ni metastable austenitic stainless steel is widely used in industry because of its excellent performance of corrosion resistance in aggressive environment. The process of drawing austenitic stainless steel easily prompts to wear and the relevant friction behavior, under the condition of friction coupling plastic deformation, is seldom studied. This paper studies the friction behavior of SUS...
In the present study the sliding wear behavior of pulse electrodeposited nanocrystalline Ni coatings as a function of grain size including bulk annealed Ni has been systematically studied using pin-on-disc configuration against the WC-Co counter body. The sliding wear has been analyzed with respect to wear rate, coefficient of friction, subsurface deformation and composition of wear debris. The result...
Nanocrystalline cobalt (Co) and cobalt–tungsten (Co–W) alloy coatings were produced by pulse reverse electrodepositon from an aqueous bath. The electrochemical corrosion and tribological properties of the coatings under different conditions were characterized. The results show that the corrosion resistance of the nanocrystalline Co is better than that of the nanocrystalline Co–W alloy coating due...
Wear causes both significant economic and environmental losses by shortening the service life of machinery. Earthmoving machinery is an example of machinery subjected to heavy wear in extreme conditions, where materials suffer from both impacts and scratching by the abrasives. In this work, we have determined the wear surface deformation of four impact-abraded steels to reveal the possible differences...
Dry sliding tests were performed on as-cast AZ31 magnesium alloy using a pin-on-disc configuration. Coefficients of friction and wear rates were measured within a load range of 5–360N and a sliding velocity range of 0.1–4.0m/s. Morphologies, compositions and hardness of worn surfaces were characterized by scanning electron microscope (SEM), energy dispersive X-ray spectrometer (EDS) and hardness tester...
Austempered ductile irons (ADIs) with three strength grades were matched with high-carbon–chromium bearing steel and the rolling–sliding wear tests under high contact load were conducted on an Amsler type tribotester. During tests the contact surface was cooled by dry compressed air of 0.6MPa to prevent the surface oxidation by heating. The wear properties and behaviors of these friction pairs were...
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