Oxidation behavior of TiCr and TiMo alloys formed by low-energy pulsed electron beam impact

Shymanski, V.I.; Esipenko, D.V.; Углов, В.В.; Koval, N. N.; Ivanov, Yu. F.; Тересов, А. Д.

doi:10.1016/j.surfcoat.2022.128227

Cited by 3 publications

(1 citation statement)

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“…The presence of Nb in proper amounts in steels provides primary structural refinement due to ferrite formation and the filling of its interdendrite spacings with eutectic liquid. With these positive effects, for example, low-alloy structural AISI 5135 steel doped with Nb can be used to manufacture tools for the efficient extrusion of light metals (e.g., Al) and the hot working of bearings; thus, it can be a good alternative to expensive, difficult-to-machine heat-resistant steels doped in their bulk with Mo, W, Ti, and V. The surface modification considered below is a form of finishing and does not require any further treatment [23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Steel Surface Doped with Nb via Modulated Electron-Beam Irradiation: Structure and Properties

Vorobyov,

Petrikova,

Shin

et al. 2023

Coatings

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A niobium film on an AISI 5135 steel substrate was exposed to submillisecond pulsed electron-beam irradiation with controlled energy modulation within a pulse to increase the film–substrate adhesion. This modulated irradiation made it possible to dope the steel-surface layer with Nb through film dissolution in the layer, for which optimum irradiation conditions were chosen from experiments and a mathematical simulation. The irradiated system was tested for surface hardness and wear, and its surface structure and elemental composition were analyzed. The results demonstrate that the microhardness of the irradiated system is much higher and that its wear rate is much lower compared to the initial state.

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