Fusion upset Welding with molten slag as resistance-exothermic medium

Autor:	Yasuo Ishimaru, Toshikage Ikkai
Rok vydání:	1967
Předmět:	Heat-affected zone Materials science Mechanical Engineering Metallurgy Metals and Alloys Laser beam welding Welding Electric resistance welding Surfaces Coatings and Films law.invention Gas metal arc welding Fusion welding Mechanics of Materials law Arc welding Upset welding
Zdroj:	Journal of the Japan Welding Society. 36:425-428
ISSN:	1883-7204 0021-4787
DOI:	10.2207/qjjws1943.36.425
Popis:	This report relates to a fusion upset welding method effected using molten slag as resistance-exo-thermic medium.It is known that most of conventional welding methods effect their welding by means of molten deposit metal formed in a number of ways, but it may also happen that, in the case of welding ordinary and special steels, mechanical properties of deposited metal invariably drop to a considerable extent under all circumstances. On the other hand, the resistance butt welding and flash butt welding methods in which no metal is deposited, necessitate provision of large capacity power source facilities, so that it is difficult to weld a large cross section using normal welding facilities in these welding systems.The objective of developing this new welding method is to solve above mentioned problems. This method enables effective welding of large cross sectional materials with I-shape welding grooves under small current densities, utilizing the resistance-exothermic heat developed as a small current passes through the molten slag.
Databáze:	OpenAIRE
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