{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/40562"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/40562","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Interaction of stainless steel threaded fasteners with stainless steel locking inserts","abstract":"The interaction of stainless steel threaded fasteners with stainless steel locking inserts was investigated with special emphasis on high-vacuum environment applications. Nondestructive and destructive test methods were used in conjunction with information gathered from investigation with a scanning electron microscope coupled with an Energy Dispersive X-ray Spectrometer. Since high-vacuum environment applications require very limited use (if any) of lubrication for threaded fastening systems, galling between the threaded fastener and the locking insert was determined to be the major concern. Galling occurs at the highly loaded thread interface of the components and is attributed to the adhesive and sliding wear conditions that exist between the two. Separation between the threads of the threaded fastener and the threads of the locking insert is more important in reducing galling potential then the use of a stronger stainless steel fastening material. For high-vacuum environments, the use of a 0.0001 inch thick flash silver plating on the locking insert provided the best results of the galling reduction methods tested.","abstract_html":"The interaction of stainless steel threaded fasteners with stainless steel locking inserts was investigated with special emphasis on high-vacuum environment applications. Nondestructive and destructive test methods were used in conjunction with information gathered from investigation with a scanning electron microscope coupled with an Energy Dispersive X-ray Spectrometer. Since high-vacuum environment applications require very limited use (if any) of lubrication for threaded fastening systems, galling between the threaded fastener and the locking insert was determined to be the major concern. Galling occurs at the highly loaded thread interface of the components and is attributed to the adhesive and sliding wear conditions that exist between the two. Separation between the threads of the threaded fastener and the threads of the locking insert is more important in reducing galling potential then the use of a stronger stainless steel fastening material. For high-vacuum environments, the use of a 0.0001 inch thick flash silver plating on the locking insert provided the best results of the galling reduction methods tested.","abstract_has_math":false,"creators":["Wells, James E."],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Mechanical Engineering","degree_department":"Mechanical Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1995,"date_issued":"1995","date_published":"1995","updated_at":"2026-07-22T22:18:46Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-01102009-063308"],"render_values":[{"text":"etd-01102009-063308","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/40562","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Mechanical Engineering"]},{"key":"dc:creator","label":"Author","values":["Wells, James E."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:26:45Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:26:45Z","2009-01-10"]},{"key":"dc:date.issued","label":"Date","values":["1995"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-01102009-063308"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/40562"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The interaction of stainless steel threaded fasteners with stainless steel locking inserts was investigated with special emphasis on high-vacuum environment applications. Nondestructive and destructive test methods were used in conjunction with information gathered from investigation with a scanning electron microscope coupled with an Energy Dispersive X-ray Spectrometer. Since high-vacuum environment applications require very limited use (if any) of lubrication for threaded fastening systems, galling between the threaded fastener and the locking insert was determined to be the major concern. Galling occurs at the highly loaded thread interface of the components and is attributed to the adhesive and sliding wear conditions that exist between the two. Separation between the threads of the threaded fastener and the threads of the locking insert is more important in reducing galling potential then the use of a stronger stainless steel fastening material. For high-vacuum environments, the use of a 0.0001 inch thick flash silver plating on the locking insert provided the best results of the galling reduction methods tested."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Interaction of stainless steel threaded fasteners with stainless steel locking inserts"]}]}],"canonical_facts":{"dc:contributor.department":["Mechanical Engineering"],"dc:creator":["Wells, James E."],"dc:date.accessioned":["2014-03-14T21:26:45Z"],"dc:date.available":["2014-03-14T21:26:45Z","2009-01-10"],"dc:date.issued":["1995"],"dc:description.abstract":["The interaction of stainless steel threaded fasteners with stainless steel locking inserts was investigated with special emphasis on high-vacuum environment applications. 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