METHOD FOR MANUFACTURING COMPOSITE COMPONENT HAVING SUPERIOR EFFECT OF REDUCING QUENCHING DISTORTION

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing particularly a long component while effectively decreasing the quenching distortion of the component occurring in an induction hardening step.

SOLUTION: The method for manufacturing a composite component comprises the steps of: jointing a plurality of the long components made of a steel sheet into a composite formed article; and high-frequency-quenching the obtained composite formed article, by high-frequency-heating the article and cooling the heated article preferably sequentially or continuously from the side of the component with low rigidity to the side of the component with high rigidity.

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