Modification of hard alloy by the action of high power ion beams / V. V. Uglov [et al.]

Уровень набора: Surface and Coatings Technology, Scientific Journal Альтернативный автор-лицо: Uglov, V. V., Physicist, Leading researcher of Tomsk Polytechnic University, Doctor of physical and mathematical sciences, 1954-, Vladimir Vasilievich;Remnev, G. E., physicist, Professor of Tomsk Polytechnic University, Doctor of technical sciences, 1948-, Gennady Efimovich;Kuleshov, A. K.;Saltymakov, M. S., physicist, Junior researcher of Tomsk Polytechnic University, 1982-, Maksim SergeevichЯзык: английский.Страна: .Резюме или реферат: Phase composition, sizes of coherent scattering regions, hardness and friction coefficient of WC–TiC–Co hardalloy and “(Ti,Cr)N coating-on-alloy” system treated by high power ion beams (HPIB) are studied. HPIBtreatment was carried out with power densities from 4 to 16 J/cm2. The effect of HPIB pretreatment (4 J/cm2)before deposition procedure was studied. HPIB action with energy densities of 8–16 J/cm2 on hard alloyresults in partial fusion of tungsten and titanium carbides. The hardness of surface layer increases by twotimes and wear resistance improves. HPIB action on “coating-on-alloy” system leads to coarsening of (Ti,Cr)Ncrystallites, partial decomposition of (Ti,Cr)N and precipitation of chromium phase. Preliminary HPIBtreatment (4 J/cm2) followed by HPIB impact (16 J/cm2) provides best effect on wear-resistance of (Ti,Cr)Nsolid solution on hard alloy..Примечания о наличии в документе библиографии/указателя: [Ref.: p. 784 (17 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[Ref.: p. 784 (17 tit.)]

Phase composition, sizes of coherent scattering regions, hardness and friction coefficient of WC–TiC–Co hardalloy and “(Ti,Cr)N coating-on-alloy” system treated by high power ion beams (HPIB) are studied. HPIBtreatment was carried out with power densities from 4 to 16 J/cm2. The effect of HPIB pretreatment (4 J/cm2)before deposition procedure was studied. HPIB action with energy densities of 8–16 J/cm2 on hard alloyresults in partial fusion of tungsten and titanium carbides. The hardness of surface layer increases by twotimes and wear resistance improves. HPIB action on “coating-on-alloy” system leads to coarsening of (Ti,Cr)Ncrystallites, partial decomposition of (Ti,Cr)N and precipitation of chromium phase. Preliminary HPIBtreatment (4 J/cm2) followed by HPIB impact (16 J/cm2) provides best effect on wear-resistance of (Ti,Cr)Nsolid solution on hard alloy.

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