Abrasion-resistant cast irons

Details Abrasion-resistant cast irons Abrasion-resistant cast irons

1976-10-29

1978-05-09

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123B, C22C 3704

Patent

active

040884767

ABSTRACT:
An abrasion-resistant cast iron having extremely good resistances to scuffing and abrasion, comprising a pearlite matrix and 2 to 15% of boron carbide and 2 to 7% of graphite flakes, the percentages being in terms of percent areas. The cast iron is useful, for example, for piston rings and cylinder liners of internal combustion engines.

REFERENCES:
patent: 2046912 (1936-07-01), Kormann et al.
patent: 2390594 (1945-12-01), Krause
patent: 2630382 (1953-03-01), Wasserman
patent: 3559775 (1971-02-01), Miller
patent: 3814597 (1974-06-01), Sholl
patent: 3909252 (1975-09-01), Kuriyama et al.
patent: 3977838 (1976-08-01), Hashimoto et al.
"Cast Metals Handbook," American Foundrymen's Society, 1944, Chapter 12, pp. 82-89; Chapter 17, pp. 159-166.

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