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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP1169577ApriorityCriticalpatent/JPS5397492A/en
Publication of JPS5397492ApublicationCriticalpatent/JPS5397492A/en
PURPOSE: To achieve the improvement in the quality of castings and the reduction in defects by reducing the pressure of the sample molten metal of Al (alloy) and measuring H2 contents from the pressure and temperature at which the contained H2 float as bubbles.
COPYRIGHT: (C)1978,JPO&Japio
JP1169577A1977-02-071977-02-07Method and apparatus for measuring of hydrogan gas contents n molten a metal and a alloy
PendingJPS5397492A
(en)