Masayoshi Tagaya and Imao Tamura
The cooling curves of concentrated solutions of various salts were measured by means of the apparatus and method described in the 1st report, but the specimen was improved. The cooling process of concentrated salt solutions in which the solubility decreases with the rise in bath temperature, is excellent for general steel quenching. Also, such a solution has many fortes for the practical quenching operation. The concentrated solution of Na2CO3 is the most excellent.
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