Polarization Resistance Measurements of Copper Nickel Alloys in Seawater

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Authors
  1. Hanham, C.M.
  2. Quinn, A.M.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN)
Abstract
As a result of problems associated with the brazing of seawater piping systems on Canadian Forces surface ships, it has been proposed that future ships have welded systems. This proposal has necessitated the investigation of the properties and behavior of potential replacement weldable alloys for the nonweldable cast ASTM B61 leaded tin bronze presently used for fittings. In a previous investigation, cast chromium modified 70/30 copper nickel exhibited erosion corrosion resistance, under severe conditions, equal to or better than that of the presently employed seawater piping system materials. In order to further understand this alloy's erosion corrosion behavior, its corrosion rate was measured in static sea water using the electrochemical polarization resistance technique. TRUNCATED
Report Number
DREA-TM-86-211 — Technical Memorandum
Date of publication
15 Apr 1986
Number of Pages
37
DSTKIM No
86-02229
CANDIS No
96946
Format(s):
Document Image stored on Optical Disk;Originator's fiche received by DSIS

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