Apparatus for determining the corrosion protection performance o

Details Apparatus for determining the corrosion protection performance o Apparatus for determining the corrosion protection performance o

1974-02-25

1976-02-03

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

23230C, G01N 3100

Patent

active

039362736

ABSTRACT:
A test apparatus for determining the corrosion protection performance of fluids includes a housing, an axial shaft mountable therein, a heating element, and a drive motor. The housing which contains the test fluid is preferably sealable to maintain a predetermined environment therein. The housing also includes a port or ports for introduction of corrosion initiating substances. The heating element is adjacent to a lower portion of the housing to provide increased temperatures within the housing when desired. Test specimens are mounted on the shaft and may be rotated in partially immersed emplacement within the bath.
The process for determining the corrosion protection performance of a fluid comprises forming a bath of the test fluid and rotating a partially immersed, substantially corrosion free test specimen therein in the presence of a corrosive environment. Thereafter the specimen may be maintained in static and partially immersed emplacement within the bath. After a sufficient processing period the specimen is examined to determine the degree of corrosion thereon.

REFERENCES:
patent: 2897060 (1959-07-01), Dieman
patent: 3116977 (1964-01-01), Grabowski et al.
Chandler, "Testing Ferrous metals for Corrosion Resistance", British Iron & Steel Research Ass., London 1961, pp.13-15.
Champion, "Corrosion Testing Procedures", Wiley & Sons Inc., New York, 1964 pp. 66-82, 118-128, 404-405, 101-107.
ASTM Standards 1965, Part 3, pp. 164-172.

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