Method of producing silicon-iron sheet material with copper as a

Details Method of producing silicon-iron sheet material with copper as a Method of producing silicon-iron sheet material with copper as a

1977-09-29

1978-09-12

Stallard, W.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75123L, 148 3155, 148112, 148113, H01F 104

Patent

active

041135296

ABSTRACT:
Weld brittleness of silicon-iron can be reduced without loss of excellent magnetic properties by limiting the sulfur content to not more than 0.018 percent and using copper as a partial substitute for sulfur as a normal grain growth inhibitor during the final texture-developing anneal.

REFERENCES:
patent: 3855021 (1974-12-01), Salsgiver et al.
patent: 3929522 (1975-12-01), Salsgiver et al.
patent: 4054470 (1977-10-01), Malagari, Jr.

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