ARC WELDING OF A VANADIUM ALLOY IN HELIUM WITH OXYGEN ADDITIONS.

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Nerodenko, M.M.
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Welding Production (English translation of Svarochnoe Proizvodstvo) | 1977年 / 24卷 / 01期
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摘要：
It has been found experimentally that an oxygen content in helium of up to 5 multiplied by 10** minus **3N in welding in a controlled atmosphere does not impair the ductility and toughness of the welded joint. An increase in the oxygen content leads to an appreciable reduction in the above properties. Vacuum annealing at 1100 plus or minus C for 1. 5 hr increases the ductility and toughness of welded joints as a result of the refining of the weld metal and decomposition of the solid solution. 3 refs.
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页码：23 / 24
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