protective atmosphere

protective atmosphere

[prə′tek·tiv ′at·mə‚sfir]
(metallurgy)
A substance such as inert or combusted fuel gas which surrounds a workpiece to be heat-treated, welded, brazed, or thermally sprayed under controlled conditions.
References in periodicals archive ?
Integrated systems are needed to safeguard and sustain people living and working in space away from Earths protective atmosphere and resources like food, air, and water.
The team studied how hardy microbes are in the face of gamma radiation, which can be dangerous on Mars because that planet does not have the cushy, protective atmosphere that Earth does.
2]-based protective atmosphere was necessary for 01005-type assembly, as it could obviously improve 01005 solder joint quality compared with air environment.
At present sending a human to Mars would be a oneway ticket because outside Earth's protective atmosphere and magnetic field we are exposed to cosmic and solar radiation.
In metal fabrication, hydrogen serves as a protective atmosphere in high-temperature operations such as stainless steel manufacturing.
PESHAWAR -- On the first anniversary of 144 martyrs of country's most tragic and barbaric attack of terrorism on Army Public School Peshawar, occurred on December 16 last year, the grieved parents and relatives on Monday called for robust efforts for sustained peace in the country and delivery of quality education to all in a protective atmosphere.
Conversional leadership style can decrease job stress because it provides a kind of protective atmosphere and every one will have decision making power.
The pots then pass underneath a liquid filler to add oil or sauce and are sealed in a protective atmosphere (MAP) to preserve the natural freshness of the ingredients.
The gig is a timely one as the lads' latest single, Lovesick, is set to be released on Protective Atmosphere Music on November 12.
Beyond Earth's protective atmosphere and extending all the way through interplanetary space, these electrified particles dominate the scene.
KG:Witt, is the first to offer a gas mixer, KM-FLOW, that has digital mass flow controllers (MFC) for packaging using a protective atmosphere in food industry.
KVT Bielefeld is responsible for the welding technology in the Joinmelt project and holds a patent for hot gas welding in a protective atmosphere to ensure a particle-free and stable weld.