Production of thin wall welded titanium tubes by high frequency pulsed arc welding.
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概要
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Thin wall welded titanium tubes require high quality and reliability, because they are used as an important element in power plant condensers or desalination plants. Direct current (DC) TIG welding power source was conventionally used for titanium tube making but the products did not satisfactorily meet the severe quality requirements. The investigation on application of high frequency pulsed current power source to titanium tube making was made and its results were successfully used in a mill production process. The main features of the high frequency pulsed arc welding confirmed in the application tests were as follows:(1) High quality weld bead with superior surface smoothness was obtained.(2) Tube making speed was improved because welding arc stability was maintained even at the speeds over 10m/min.
- The Iron and Steel Institute of Japanの論文
The Iron and Steel Institute of Japan | 論文
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