Tribological behaviour of electrochemically deposited coatings for shaft restoration

Grigorescu, I.C.; Gonzalez, Y.; Rodrigues, Oscar E. D.; Vita, Y. De

doi:10.1016/0257-8972(95)02516-2

Cited by 4 publications

(1 citation statement)

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“…A group of tool steels is extensively used in many applications of metal and plastic forming processes, especially for parts of a mold exposed to high temperature, liquid lubricant, corrosive environment and abrasion. Because the properties of tool steels in terms of hardenability, wear resistance and corrosion resistance are suitable for the applications as reported in [1]. However, oxidation reaction and wear normally happen on the surface of the mold.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behaviors and Mechanical Properties of CrN Film

Wongpanya

Tunmee

Euaruksakul

et al. 2013

AMR

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Corrosion behaviors and mechanical properties of CrN film were evaluated. The CrN film was deposited on the surface of H13 steel by the magnetron sputtering method. The corrosion behaviors of the uncoated and CrN coated samples were studied in air-saturated 3.5 wt.% NaCl solution with various solution pHs, i.e., pH 2, 7 and 10 at 27°C by the electrochemical technique. The mechanical properties of the CrN coated samples were evaluated using nanohardness, ball on disk and scratch testers. The results revealed that the CrN coated samples had higher corrosion resistance than the uncoated samples at all pHs. Smooth substrate roughness enhanced corrosion resistance and also decreased the wear rate of the CrN coated samples on H13 steel. Corroded area was evaluated by synchrotron X-ray photoemission electron spectroscopy. It revealed that corrosion resistance of the CrN film was from oxidation of Cr into Cr2O3.

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Section: Introductionmentioning

confidence: 99%