Unstable devitrifiable glasses and friction materials containing

Details Unstable devitrifiable glasses and friction materials containing Unstable devitrifiable glasses and friction materials containing

1978-05-08

1980-01-08

Person, Sandra M.

Brakes

Elements

Shoes

106 36, 106 50, 260 38, 260DIG39, C03C 1200, F16D 6902

Patent

active

041824377

ABSTRACT:
A combined friction modifier and reinforcing agent and friction materials containing it are disclosed in which the combined modifier and reinforcing agent comprises a substantially amorphous, unstable, finely divided glass convertible in response to heat generated by the friction material during use to a devitrified, crystallized, friable state which separates from the amorphous, unstable glass in a substantially non-smearing particulate form.

REFERENCES:
patent: 3844800 (1974-10-01), Hooton
patent: 3891595 (1975-06-01), Birchall
patent: 3899050 (1975-08-01), Sanary et al.
patent: 3967037 (1976-06-01), Marzocchi et al.
patent: 4119591 (1978-10-01), Aldrich

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