Sökning: "Weld strength"
Visar resultat 1 - 5 av 49 uppsatser innehållade orden Weld strength.
1. Fatigue strength assessment of post weld improved welded joints
Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanikSammanfattning : In this thesis work a literature survey is done to collect published data for T-welded joints with a thickness of 5-12 mm, produced in high strength steel and treated with HFMI. In addition to this, large structures are researched. LÄS MER
2. Life extension of welded steel details in bridges
Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanikSammanfattning : High-Frequency Mechanical Impacts (HFMI) is a surface treatment technique utilized to introduce residual stresses and extend the service life of structures. This project primarily focuses on studying the life extension effects of HFMI on welded structures that have undergone fatigue and have existing cracks. LÄS MER
3. Resistance Element Welding of Ultra High Strength Steel to Aluminium
Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)Sammanfattning : The automotive industry strives towards decreased vehicle weight in order to decrease green house gas emissions. To create lighter vehicles, new lighter materials need to be implemented. One issue with new materials is that the traditional joining methods in many cases meet their limitations. LÄS MER
4. Irradiation Embrittlement on a Core Shroud from Decommissioned BWR
Master-uppsats, KTH/FysikSammanfattning : Irradiation embrittlement is a problematic issue for internal structures, such as acore shroud, in a light water reactor. It is characterized by decreased ductility andtoughness, and increased yield strength and hardening due to increased dislocations. LÄS MER
5. Projection Nut Welding to High- and Ultra-high Strength Steels
Master-uppsats, KTH/HållfasthetsläraSammanfattning : In an effort to increase the fuel efficiency of cars more widespread use of higher strength steels is seen for their high strength-to-weight ratio. Thesesteels are more limited in their formability and tendency to harden than conventional steels, complicating manufacturing. LÄS MER