Physical Nature of the Processes in Structure Forming, Phase and Chemical Composition of pipe Permanent Joints when MMA Welding; IOP Conference Series: Materials Science and Engineering; Vol. 125 : Materials Treatment: Current Problems and Solutions

Physical Nature of the Processes in Structure Forming, Phase and Chemical Composition of pipe Permanent Joints when MMA Welding; IOP Conference Series: Materials Science and Engineering; Vol. 125 : Materials Treatment: Current Problems and Solutions

التفاصيل البيبلوغرافية
Parent link:	IOP Conference Series: Materials Science and Engineering Vol. 125 : Materials Treatment: Current Problems and Solutions.— 2016.— [012010, 6 p.]
مؤلف مشترك:	Национальный исследовательский Томский политехнический университет (ТПУ) Юргинский технологический институт (филиал) (ЮТИ) Кафедра сварочного производства (КСП)
مؤلفون آخرون:	Ilyashchenko D. P. Dmitry Pavlovich, Chinakhov D. A. Dmitriy Anatol'evich, Danilov V. I. Vladimir Ivanovich, Sadykov I. D.
الملخص:	Title screen The paper outlines peculiarities of structure formation, phase and chemical composition in regard to heat content in molten electrode metal beads when pipe steel (steel 09G2S) welding using power sources with various energy characteristics. Mathematical calculations indicate an inverter power source provides minor heat content into the bead of electrode metal when welding. Experimental research has pointed at 4-9 % increase in impact strength of joints produced using an inverter power source in comparison with samples produced applying a diode rectifier. The following factors can possibly give rise to the increasing impact strength: difference in microstructures of weld joints, up to 50% shortening ferritic plates in metal of weld joint, change in dimensions of ferritic grains in the heat-affected zone by as much as 17.5 %, and decrease in the extent of heat-affected zone by 50%. Режим доступа: по договору с организацией-держателем ресурса
اللغة:	الإنجليزية
منشور في:	2016
الموضوعات:	электронный ресурс труды учёных ТПУ физическая природа фазовый состав химический состав трубы неразъемные соединения сварка электродные металлы сварные соединения сварные швы ферритные зерна
الوصول للمادة أونلاين:	http://dx.doi.org/10.1088/1757-899X/125/1/012010 http://earchive.tpu.ru/handle/11683/33933
التنسيق:	الكتروني فصل الكتاب
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=648132

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