SELECTION OF PLASTICIZERS FOR WELDING ELECTRODES COATINGS FROM THE ORE-MINERAL RAW MATERIALS OF THE REPUBLIC OF UZBEKISTAN


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At this article presented the results of studies on the influence of wollastonite concentrate obtained from wollastonite ore of the Koytash deposit of the Republic of Uzbekistan on the properties of coatings of welding electrodes. The obtained results revealed the dependence of the pressing pressure of the electrodes on the content of wollastonite concentrate in the electrode coating, according to which the introduction of wollastonite concentrate in the coating of the base type is conducive to improving the plastic properties of the coating masses. Also, studies of the effect of wollastonite concentrate on the arc stability of the welding electrode, which showed an increase in the breaking length of the arc and increase the stability of its combustion when introduced into the electrode coatings of wollastonite concentrate. In addition, the favorable effect of wollastonite concentrate on the grinding of electrode metal droplets and the improvement of the formation of welds was revealed.

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作者简介

Rustam Saidov

Institute of Material Sciences, SPA “Physics-Sun” Academy of Science of Uzbekistan

Email: saidov_r@yahoo.com
PhD, leader research Tashkent, Uzbekistan

Alisher Musaev

Institute of Geology and Geophysics

Email: am_musaev@rambler.ru
PhD, leader research Tashkent, Uzbekistan

Denis Jumaniyazov

Institute of Geology and Geophysics

Email: denisbey list.ru
senior research Tashkent, Uzbekistan

Bakhadir Gafurov

Institute of Material Sciences, SPA “Physics-Sun” Academy of Science of Uzbekistan

Email: gbakhadir@gmail.com
PhD, leader research Tashkent, Uzbekistan

Fatima Rakhimova

Institute of Material Sciences, SPA “Physics-Sun” Academy of Science of Uzbekistan

Email: f.rakhimova@imssolar.uz
senior research Tashkent, Uzbekistan

Muzafar Abralov

Tashkent State Technical University

Email: abralov1978@mail.ru
senior lecturer Tashkent, Uzbekistan

参考

  1. Архипов И.И. Строительная керамика. 1975, 496 с.
  2. Ladoo R.B. Wollastonite-A New Industrial Mineral // Engineering and Mining J. November 1950.
  3. Engelhardt C.L. Calcium Metasilicate-An Extender Pigment // American Paint & Coatings J. September 10, 1979.
  4. Hare C.H. Wright, S.T. An Examination of the Contribution of Functional Extender Pigments to Inhibitive Epoxy Metal Primers. Private publication of Clive H. Hare Inc. 1983.
  5. Hare C.H. The Evolution of Calcium Metasilicate in Paint and Coatings // Mod. Paint and Coatings. November 1993. Vol. 83 (12).

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