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Argon is commonly used in insulated glazing as it is the most affordable. Krypton, which is considerably more expensive, is not generally used except to produce very thin double glazing units or extremely high performance triple-glazed units. Xenon has found very little application in IGUs because of cost. [11]
Most windows use argon (which is cheaper), but krypton is a better choice of insulation when the distance between the panes has to be smaller (the distance has to be about 13 mm (1 ⁄ 2 inch) for argon, and about 9 mm (3 ⁄ 8 inch) for krypton; increasing or decreasing the space will degrade performance).
Glass casting is the process in which glass objects are cast by directing molten glass into a mould where it solidifies. The technique has been used since the Egyptian period. . Modern cast glass is formed by a variety of processes such as kiln casting, or casting into sand, graphite or metal moul
The stages of blowing remove carbon by the combination of oxygen and carbon forming CO gas. 4 Cr (bath) + 3 O 2 → 2 Cr 2 O 3 Cr 2 O 3(slag) + 3 C (bath) → 3 CO (gas) + 2 Cr (bath) To drive the reaction to the forming of CO, the partial pressure of CO is lowered using argon or nitrogen. Since the AOD vessel is not externally heated, the ...
A vandalised telephone booth made with tempered glass. Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass.
The sputtering gas is often an inert gas such as argon. For efficient momentum transfer, the atomic weight of the sputtering gas should be close to the atomic weight of the target, so for sputtering light elements neon is preferable, while for heavy elements krypton or xenon are used. [3] Reactive gases can also be used to sputter compounds.
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