As time goes by...

 ABOUT AWS: AS TIME GOES BY...
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A pictorial history of welding as seen through the pages of the Welding Journal
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Space Shuttle Endeavor lifts off on mission STS-57. On this mission, pilot Brian Duffy soldered 46 connections on a printed circuit board. Welding's biggest role in the fabrication of the Apace Shuttle was in the welding of the liquid oxygen and liquid hydrogen fuel tanks. The welds were performed using the variable polarity plasma process from Hobart Brothers co. Each external tank of 2219 aluminum required 36,000 linear inches of weld in order to join the 138 separate sections of metal together.
Hortonsphere was the name give to the storage vessels weld fabricated by the Chicago Bridge & Iron Co. These Hortonspheres at the Gulf Oil Corp. in Port Arthur, TX, completed in 1938, came in two sizes. One is 35 ft, 3 in., and the other 22 ft, 3 in., in diameter. Their respective storage capacities are 4000 and 1000 barrels.
Without warning and with a report that was heard for at least a mile, the deck and sides of the S.S. Schenectady, a World War II tanker, fractured just aft of the bridge superstructure on January 16, 1943, while tied up at pier on Swan Island in Oregon. The shop had been launched from a kaiser shopyard two weeks before in Portland, Ore. The vessel was repaired and returned to service.
In this photograph taken from the September 1959 issure of the Welding Journal, a plasma gun is shown spraying aluminum oxide to form a thick coating on a shape simulating a missle nose cone. The article describing this technology was authored by James A. Browning who was the president of Thermal Dynamics Corp., Hanover, NH.

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