The Fatigue Properties of Aluminum Alloy 5083-H113 Plate and Butt Weldments at 75° and -300°F
The advent of extensive use of liquefied gases which require refrigeration for liquefaction has rejuvenated interest in the field now generally called cryogenics. The use of liquefied gases extends throughout many industrial and military applications. Significant among the industrial applications are the liquid oxygen processes for steel production, liquefied petroleum gases for petrochemical and power generating purposes, and liquefied inert gases such as argon and helium for welding fabrication. Of interest in the military application is the use of liquefied hydrogen and oxygen for fuel sources in rockets and missiles. Also liquefied oxygen and nitrogen are being considered for eventually sustaining life in space travel to those planets which do not have the normal-oxygen supply necessary for human life. The liquefaction of gases is not new, being dated from Faraday’s early experiments. All known gases had been liquefied by about 1910 . However, the widespread use of these gases is a fairly recent development, especially in the large tonnages now being used. To make these liquefied gases more convenient requires suitable generating, transporting and storage facilities. Almost all of these require the use of metals in some form, such as pump casings, pistons valves, piping and storage vessels.
KeywordsFatigue Welding Petroleum Argon Manganese
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