Influence of Shielding Gas on GMA Welding of Al Alloys

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F13%3A00211564" target="_blank" >RIV/68407700:21220/13:00211564 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Influence of Shielding Gas on GMA Welding of Al Alloys

Popis výsledku v původním jazyce

The research is focused on influence of shielding gas on GMA welding process of precipitation hardenable Al alloys (6xxx and 7xxx). Pure argon of different gas flow 0-35 l/min, different Ar+He mixtures, up to 70 % He, active Ar+CO2 gases were used. The optimum Ar shielding gas flow was found to be 15 l/min, under this value porosity, over this value decrease of weld penetration have been observed. He content in Ar+He shielding gas mixtures is changing heat input and therefore weld shape. Increase of Hecontent improves heat transfer efficiency, weld penetration, weld width etc. Influence of theoretically known properties of gases on welding process (e.g. ionization potential, thermal conductivity etc.) is quite complex, so experimentally researched influence of gases and their mixtures done in this research with exact values and practical results is valuable for praxis.

Název v anglickém jazyce

Influence of Shielding Gas on GMA Welding of Al Alloys

Popis výsledku anglicky

The research is focused on influence of shielding gas on GMA welding process of precipitation hardenable Al alloys (6xxx and 7xxx). Pure argon of different gas flow 0-35 l/min, different Ar+He mixtures, up to 70 % He, active Ar+CO2 gases were used. The optimum Ar shielding gas flow was found to be 15 l/min, under this value porosity, over this value decrease of weld penetration have been observed. He content in Ar+He shielding gas mixtures is changing heat input and therefore weld shape. Increase of Hecontent improves heat transfer efficiency, weld penetration, weld width etc. Influence of theoretically known properties of gases on welding process (e.g. ionization potential, thermal conductivity etc.) is quite complex, so experimentally researched influence of gases and their mixtures done in this research with exact values and practical results is valuable for praxis.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JR - Ostatní strojírenství

OECD FORD obor

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Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

MM Science Journal

ISSN

1805-0476

e-ISSN

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Svazek periodika

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Číslo periodika v rámci svazku

4

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

4

Strana od-do

452-455

Kód UT WoS článku

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EID výsledku v databázi Scopus

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