The Effect of Welding Conditions on Diffusible Hydrogen Content in Deposited Metal - Publikacja - MOST Wiedzy

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The Effect of Welding Conditions on Diffusible Hydrogen Content in Deposited Metal

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The article presents the results of a literature survey and preliminary tests which set out effects of welding conditions on the amount of diffusible hydrogen in deposited metal. Experiments were conducted by using rutile coated electrodes which generate high contents of diffusible hydrogen in deposited metal. The amount of diffusible hydrogen was determined by a glycerin test.Eleven factors were considered: the electrode angle, the grinding of sample, the preheat temperature, the polarity of welding current, the welding current, the welding - cooling time, the electrode usage, the time of welding, the thickness of specimen, the welding - measurement time and thickness of electrode coating. All factors were optimized using a Plackett-Burman design to get the most relevant variables. The results of the preliminary tests indicate that appropriate choice of welding parameters may considerably reduce diffusible hydrogen in deposited metal. However, the range of parameters is limited by the necessity of providing stability of the welding process and obtaining required properties of the welded joint

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Solid State Phenomena nr 183, strony 193 - 200,
ISSN: 1012-0394
Język:
angielski
Rok wydania:
2012
Opis bibliograficzny:
Świerczyńska A., Fydrych D., Łabanowski J.: The Effect of Welding Conditions on Diffusible Hydrogen Content in Deposited Metal// Solid State Phenomena. -Vol. 183., (2012), s.193-200
Weryfikacja:
Politechnika Gdańska

wyświetlono 75 razy

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