Projects per year
A detailed study investigated the effect of process parameters on the evolved microstructure. In parallel, a full programme of mechanical testing was undertaken to generate data on hardness, impact toughness and fatigue. From this, it has been established that friction stir welding of steel produces high integrity joints that exhibit excellent fatigue properties.
From a simulation perspective, a local microstructural numerical model has been developed to predict the microstructural evolution within the weld zone during friction stir welding of low alloy steel. This model concentrates on predicting grain size evolution due to dynamic recrystallization with respect to tool traverse and rotational speed. Furthermore, a computational efficient local-global numerical model capable of predicting the thermal transients, stir and heat affected zone, residual stresses and distortion produced by friction stir welding of DH36 plates is presented.
|Title of host publication||ASME 2015 International Mechanical Engineering Congress and Exposition|
|Subtitle of host publication||Advanced Manufacturing|
|Number of pages||11|
|Publication status||Published - 30 Nov 2015|
|Event||ASME International Mechanical Engineering Congress & Exposition, IMECE 2015 - Texas, Houston, United States|
Duration: 13 Nov 2015 → 19 Nov 2015
|Conference||ASME International Mechanical Engineering Congress & Exposition, IMECE 2015|
|Period||13/11/15 → 19/11/15|
- friction stir welding (FSW)
- low alloy steel
- mechanical testing
- numerical models
- dynamics recrystallisation
- residual stresses
- out-of-plane distortion
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- 1 Participation in conference
Athanasios Toumpis (Invited speaker)16 Nov 2015
Activity: Participating in or organising an event types › Participation in conference