Electrochemical polishing of thread fastener test specimens of n

Details Electrochemical polishing of thread fastener test specimens of n Electrochemical polishing of thread fastener test specimens of n

1990-07-03

1991-11-05

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412975, 204224M, 204275, 204293, B23H 310, C25F 316

Patent

active

050629310

ABSTRACT:
An electrochemical polishing device and method for selective anodic dissolution of the surface of test specimens comprised, for example, of nickel-chromium-iron alloys, which provides for uniform dissolution at the localized sites to remove metal through the use of a coiled wire electrode (cathode) placed in the immediate proximity of the working, surface resulting in a polished and uniform grain boundary.

REFERENCES:
patent: 2650979 (1953-09-01), Teubner
patent: 2745805 (1956-05-01), Jones, Jr.
patent: 2848140 (1958-08-01), Knuth-Winterfeldt et al.
patent: 3223610 (1965-12-01), Inoue
patent: 3658684 (1972-04-01), Sickels
patent: 4601803 (1986-07-01), Gregory
patent: 4806216 (1989-02-01), Kephart et al.

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