Sökning: "fretting mechanisms"

Hittade 3 avhandlingar innehållade orden fretting mechanisms.

  1. 1. Microstructural characterisation of fretting damage

    Författare :Ros-Marie Lundh; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fretting wear; fretting fatigue; fretting; SEM; AFM; TEM; STM; fretting mechanisms; fretting microstructure; wear mechanisms; fretting corrosion; debris;

    Sammanfattning : .... LÄS MER

  3. 2. New insights into lubricated tribological contacts

    Författare :Elin Larsson; Staffan Jacobson; Åsa Kassman Rudolphi; Jannica Heinrichs; Philip Shipway; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Tribology; friction; wear; lubrication; fuel additive; boric acid; tribofilm; transport; fuel efficiency; surface analysis; grease; LiX grease; PP grease; fretting; electrical contacts; cross section; copper; silver; Teknisk fysik med inriktning mot tribomaterial; Engineering Science with specialization in Tribo Materials;

    Sammanfattning : The emissions of carbon dioxide, CO2, must rapidly be reduced to avoid severe climate change. Tribology-related solutions can be an important part in reducing these emissions. The aim of this thesis is to improve the fundamental knowledge in two tribology-related fields, both concerning lubrication, to enable such solutions in the future. LÄS MER

  4. 3. Life prediction and mechanisms for the initiation and growth of short cracks under fretting fatigue loading

    Författare :Alessandro Cadario; Bo Alfredsson; David Nowell; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fretting fatigue; Fretting experiment; Friction evolution; Fatigue crack initiation; Fatigue crack growth; Short crack; Non-destructive testing; Acoustic emission; Potential drop; Shot peening; Stress relaxation; Crack closure; Finite element method; Titanium alloy.; Engineering mechanics; Teknisk mekanik;

    Sammanfattning : Fretting fatigue is a damage process that may arise in engineering applications where small cyclic relative displacements develop inside contacts leading to detrimental effects on the material fatigue properties. Fretting is located in regions not easily accessible, which makes it a dangerous phenomenon. LÄS MER