Evaluation of replacement thread lubricants for red lead and graphite in mineral oil

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Description

Eight commercially available thread lubricants were evaluated to determine the best replacement for Red Lead and Graphite in Mineral Oil (RLGMO). The evaluation included coefficient of friction testing, high temperature anti-seizing testing, room temperature anti-galling testing, chemical analysis for detrimental impurities, corrosion testing, off-gas testing, and a review of health and environmental factors. The coefficient of friction testing covered a wide variety of factors including stud, nut, and washer materials, sizes, manufacturing methods, surface coatings, surface finishes, applied loads, run-in cycles, and relubrication. Only one lubricant, Dow Corning Molykote P37, met all the criteria established for a replacement lubricant. It ... continued below

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150 p.

Creation Information

Jungling, T.L.; Rauth, D.R. & Goldberg, D. April 30, 1998.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 146 times , with 12 in the last month . More information about this report can be viewed below.

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Description

Eight commercially available thread lubricants were evaluated to determine the best replacement for Red Lead and Graphite in Mineral Oil (RLGMO). The evaluation included coefficient of friction testing, high temperature anti-seizing testing, room temperature anti-galling testing, chemical analysis for detrimental impurities, corrosion testing, off-gas testing, and a review of health and environmental factors. The coefficient of friction testing covered a wide variety of factors including stud, nut, and washer materials, sizes, manufacturing methods, surface coatings, surface finishes, applied loads, run-in cycles, and relubrication. Only one lubricant, Dow Corning Molykote P37, met all the criteria established for a replacement lubricant. It has a coefficient of friction range similar to RLGMO. Therefore, it can be substituted directly for RLGMO without changing the currently specified fastener torque values for the sizes, materials and conditions evaluated. Other lubricants did not perform as well as Molykote P37 in one or more test or evaluation categories.

Physical Description

150 p.

Notes

OSTI as DE98005594

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  • Other Information: PBD: 30 Apr 1998

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  • Other: DE98005594
  • Report No.: WPAD-QES-ME--1206
  • DOI: 10.2172/607497 | External Link
  • Office of Scientific & Technical Information Report Number: 607497
  • Archival Resource Key: ark:/67531/metadc693346

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Office of Scientific & Technical Information Technical Reports

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

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Creation Date

  • April 30, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 21, 2016, 10:18 p.m.

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Jungling, T.L.; Rauth, D.R. & Goldberg, D. Evaluation of replacement thread lubricants for red lead and graphite in mineral oil, report, April 30, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc693346/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.