Essays about: "Palmgren Miners rule"

Found 3 essays containing the words Palmgren Miners rule.

  1. 1. Effect of dwell (hold) time on high temperature fatigue crack growth of AM components

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Hemanth Venkatesan; [2023]
    Keywords : Dwell time; creep; fatigue; IN718; LPBF; hold time; sustained loading; Uppehållstid; krypning; utmattning; IN718; LPBF; hålltid; ihållande belastning;

    Abstract : GKN Aerospace AB, Sweden (GAS) is one of the leading companies taking up the charge in manufacturing components using Additive Manufacturing(ed) (AM) techniques in the aerospace sector. They are a hub of engineering and they are a supplier of engine and engine components to the world’s leading aero-engine manufacturers, and airframes to civil and military aircraft manufacturers. READ MORE

  3. 2. Method development for fatigue lifeprediction in welded gearset joints undertorsional loading

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Emma Olsson; [2021]
    Keywords : Fatigue; welded joint; torsion; Wohler s curve; FEMFAT; Utmattning; svetsfog; vridning; Wohlers kurva; FEMFAT;

    Abstract : This report presents the degree project for a master's degree in Mechanical Engineeringat Luleå University of Technology performed by Emma Olsson at GKN ePowertrain in Köping. The aim of the thesis was to develop a calculation method to evaluate fatigue ina weld due to torsion. READ MORE

  4. 3. Vibration Durability Testing and Design Validation Based on Narrow Frequency Band

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Gudeta Berhanu; [2011]
    Keywords : Vibration testing; Narrow frequency band; Palmgren Miners rule; Rain flow cycle counting; S-N curve; Fatigue;

    Abstract : Existing vibration durability testing methods for a component is conservative in verifying the fatigue strength of a component. They more of typify the damaging potential of the real world vibration, instead of the component under test. READ MORE