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Analysis and Subsequent Testing of Cracked Brass Connector Housings

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Abstract

This paper details the examination of brass coaxial cable connectors which exhibited cracks in their outer housings. Failure analysis indicated a brittle failure due to stress corrosion cracking. Two common stress corrosion cracking tests for copper materials were conducted on new connectors from the same manufacturing lot. Failure of these connectors confirmed the observed fracture mode. This paper shows that failure analysis can involve testing to duplicate and confirm failure mode in addition to the requisite examination of failed components. This additional testing can be especially helpful in corrosion-related failures.

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References

  1. Sequeria, C.A.C.: Corrosion of copper and copper alloys. Ulig’s Corrosion Handbook, 2nd edn, pp. 729–757 (2000)

  2. Standard Test Method for Anions in Water by Chemically Suppressed Ion Chromatography, ASTM D4327-03, ASTM, West Conshohocken, PA

  3. Standard Test Method for Mercurous Nitrate Test for Copper Alloys, ASTM B154-05, ASTM, West Conshohocken, PA

  4. Standard Test Method for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys, ASTM B858-06, ASTM, West Conshohocken, PA

  5. Standard Practice for Preparing, Cleaning, and Evaluating Corrosion Test Specimens, ASTM G1-03, ASTM, West Conshohocken, PA

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Authors and Affiliations

  1. IMR Test Labs, Inc., Lansing, NY, 14882, USA

    Tim Mueller & Neil Burns

Authors
  1. Tim Mueller
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  2. Neil Burns
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Correspondence to Tim Mueller.

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Mueller, T., Burns, N. Analysis and Subsequent Testing of Cracked Brass Connector Housings. J Fail. Anal. and Preven. 9, 466–469 (2009). https://doi.org/10.1007/s11668-009-9278-2

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  • DOI: https://doi.org/10.1007/s11668-009-9278-2

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