Failure analysis of rutile sleeves in MC3080 lightning arrestor connectors.

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Description

The purpose of this SAND Report is to document efforts in the extraction and failure analyses of sleeve-style Lightning Arrestor Connectors (LACs). Several MC3080 and MC3079 LACs were recovered from the field and tested as part of the Enhanced Surveillance Campaign. A portion of these LACs failed retesting. Terry Ernest (01733), the LAC Component Engineer, provided eleven MC3080 LACs for evaluation where four of the LACs failed IR/DCW and one failed FRB requirements. The extraction of rutile sleeves from failed LACs was required to determine the source of failure. Rutile sleeves associated with connector function failures were examined for cracks, ... continued below

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36p.

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Kilgo, Alice C.; Monroe, Saundra L.; Watson, Chad Samuel & Ernest, Terry L. February 1, 2006.

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Description

The purpose of this SAND Report is to document efforts in the extraction and failure analyses of sleeve-style Lightning Arrestor Connectors (LACs). Several MC3080 and MC3079 LACs were recovered from the field and tested as part of the Enhanced Surveillance Campaign. A portion of these LACs failed retesting. Terry Ernest (01733), the LAC Component Engineer, provided eleven MC3080 LACs for evaluation where four of the LACs failed IR/DCW and one failed FRB requirements. The extraction of rutile sleeves from failed LACs was required to determine the source of failure. Rutile sleeves associated with connector function failures were examined for cracks, debris as well as any other anomalies which could have caused the LAC to not function properly. Sleeves that failed FRB or that experienced high FRB exhibited high symmetry, smooth surface, long-flow amicon, and slightly over-sized inside diameter. LACs that failed DCW or IR requirements had rutile sleeves that exhibited breakdown tracks.

Physical Description

36p.

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  • Report No.: SAND2004-4584
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/883464 | External Link
  • Office of Scientific & Technical Information Report Number: 883464
  • Archival Resource Key: ark:/67531/metadc873296

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • February 1, 2006

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

Description Last Updated

  • Dec. 9, 2016, 4:23 p.m.

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Kilgo, Alice C.; Monroe, Saundra L.; Watson, Chad Samuel & Ernest, Terry L. Failure analysis of rutile sleeves in MC3080 lightning arrestor connectors., report, February 1, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc873296/: accessed July 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.