Method for providing single piece with plural different mechanic

Details Method for providing single piece with plural different mechanic Method for providing single piece with plural different mechanic

1980-05-07

1982-04-06

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 39, 148149, C21D 178

Patent

active

043234046

ABSTRACT:
A method for producing a single solid metal work piece having different mechanical characteristics in different sections. A groove is cut in the piece between each section. A partitioning wall is inserted in the groove with the remainder of the groove filled with insulating material. Different sections are heated to different quenching temperatures then cooled at the same or different rates. For example, one section may be cooled by water spraying while another is cooled by air blast.

REFERENCES:
patent: 3578512 (1971-05-01), Funakubo

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