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Caution is advised when specifying stainless steel fasteners

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Abstract

Stainless steel fasteners are often chosen to replace carbon steel fasteners in many engineering applications. These fasteners offer some advantages over their carbon steel counterparts—most notably, increased corrosion resistance. However, stainless steel fasteners have a tendency to gall, or cold weld, when in contact with a mating stainless steel fastener of similar composition when the proper precautions are not taken. Galling can vary in severity, and may be only a nuisance when minor, but lead to fastener failure in the extreme. This paper describes the galling of a threaded stainless steel ejector rod from a laser guided training round (LGTR) used by the U.S. Navy. Also presented are the precautions that should have been taken to avoid galling.

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References

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Authors and Affiliations

  1. Naval Air Warfare Center—Weapons Division, Materials Branch, Code 497000D, 93555, China Lake, CA

    M. Pepi

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  1. M. Pepi
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Pepi, M. Caution is advised when specifying stainless steel fasteners. J Fail. Anal. and Preven. 5, 72–78 (2005). https://doi.org/10.1361/15477020522113

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  • DOI: https://doi.org/10.1361/15477020522113

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