Methods for Defining the Concentration of Nanostructured Powders in Protective Gas and its Effect on the Microstructure of Deposit Metal

Methods for Defining the Concentration of Nanostructured Powders in Protective Gas and its Effect on the Microstructure of Deposit Metal

Bibliographic Details
Parent link:	Applied Mechanics and Materials: Scientific Journal Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering.— 2015.— [P. 28-33]
Corporate Author:	Национальный исследовательский Томский политехнический университет (ТПУ) Юргинский технологический институт (филиал) (ЮТИ) Кафедра сварочного производства (КСП)
Other Authors:	Kuznetsov M. A. Maksim Aleksandrovich, Barannikova S. A., Zernin E. A. Evgeny Aleksandrovich, Filonov A. V. Andrey Vladimirovich, Kartcev D. S.
Summary:	Title screen The effect on the deposited metal structure of nanostructured modifiers introduced into the weldpool has been studied. Methods have been developed for determining the concentration of nanostructured powders of tungsten, molybdenum and Al2O3 in protective gas and for defining their optimal concentration. The influence of nanopowders on the structure of deposited metal was examined in consumable electrode arc welding employing the austenitic steel (chemical composition: C–0,12%, Cr–18%, Ni–10%,Ti–1%) as deposit and 1.2-mm welding wire manufactured from the austenitic steel (chemical composition:C–0,12%, Cr–18%, Ni–9%,Ti–%). Addition of nanostructured powders of tungsten, molybdenum and Al2O3 to the weldpool has shown positive effect on the structure of metal in arc welding. It is shown that introducing the powders decreases dendrite size and leads to the formation of a more equilibrium microstructure of the weld. Режим доступа: по договору с организацией-держателем ресурса
Published:	2015
Series:	Materials Science in Mechanical Engineering
Subjects:	электронный ресурс труды учёных ТПУ дуговая сварка концентрация микроструктуры наноструктурные порошки защитные газы
Online Access:	http://dx.doi.org/10.4028/www.scientific.net/AMM.770.28
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643330

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