shielding gas
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Shielding gas — Shielding gases are inert or semi inert gases that are commonly used in several welding processes, most notably gas metal arc welding and gas tungsten arc welding. Their purpose is to protect the weld area from atmospheric gases, such as oxygen,… … Wikipedia
Shielding gas — Shielding gas. См. Газовая защита. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) … Словарь металлургических терминов
Gas metal arc welding — RMD redirects here. RMD may also refer to IRA Required Minimum Distributions. Gas metal arc welding … Wikipedia
Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG … Wikipedia
gas metal-arc welding — Welding using a continuously fed consumable electrode and a shielding gas. Also called sigma welding … Dictionary of automotive terms
gas tungsten-arc welding — Welding using a tungsten electrode and a shielding gas … Dictionary of automotive terms
Shielding effect — The shielding effect describes the decrease in attraction between an electron and the nucleus in any atom with more than one electron shell. It is also referred to as the screening effect or atomic shielding.CauseIn a single electron system such… … Wikipedia
Noble gas compound — Contents 1 History and background 2 Pre 1962 compounds 2.1 Clathrates … Wikipedia
Газовая защита — Shielding gas Газовая защита. (1) Газовая защита, используемая для защиты сварочной ванны. (2) Поток инертного газа, направляемый на субстрат в течение теплового распыления, чтобы окружать плазменное пламя и субстрат; предназначен, чтобы… … Словарь металлургических терминов
Arc welding — uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. They can use either direct (DC) or alternating (AC) current, and consumable or non consumable electrodes.… … Wikipedia
Flux-cored arc welding — (FCAW) is a semi automatic or automatic arc welding process. FCAW requires a continuously fed consumable tubular electrode containing a flux and a constant voltage or, less commonly, a constant electric current welding power supply. An externally … Wikipedia
