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Carbon determn. and sampling of molten steel - using ceramic mould with cavity contg. thermocouple for thermal analysis, and second cavity for casting disk for spectrographic analysis
Carbon determn. and sampling of molten steel - using ceramic mould with cavity contg. thermocouple for thermal analysis, and second cavity for casting disk for spectrographic analysis
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机译：碳测定。和钢水采样-使用带有空腔的陶瓷模具。热电偶用于热分析，第二腔用于铸盘进行光谱分析
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摘要
A sampling mould is lowered into molten steel, esp. in a converter during blowing, for carbon determn. by thermal analysis while also making a cast disk sample. The mould is made of two heat-resistant ceramic halves with a vertical joint line. On the joint line, and starting from the base of the mould, is an inlet channel leading to two cavities (a,b). The mould also has limit stop lugs used when it is inserted in a tube made e.g. of cardboard. The lower cavity (a) contains a thermocouple inside a small, U-shaped quartz tube and used for thermal analysis; whereas the upper cavity (b) is used to cast the disk. A recess on the top surface of the mould receives a connector carrying the thermocouple leads. Improved accuracy w.r.t. an earlier mould described in 2558092.
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