Non-uniform deformation in a friction stir welded Mg–Al–Zn joint during stress fatigue
Source abstract
Abstract
A friction stir welded (FSW) Mg–3Al–1Zn (AZ31) joint, prepared at a welding speed of 100 mm/min and a rotation rate of 800 rpm, was subjected to stress fatigue test. During fatigue deformation, while the specimen thickness shrank around the nugget zone (NZ)/thermomechanically-affected zone (TMAZ) boundary, it varied little in the NZ middle. Besides, the surface appearance differed between the two sides of a fatigued specimen. This non-uniform deformation was attributed to different grain orientation distributions and sheared material layers in various regions, which influenced the fatigue life and fracture behavior of the joint.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Magnesium Alloys: Properties and Applications · Aluminum Alloys Composites Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (25)
Show source-provided references
1. Friction stir welding and processing10.1016/j.mser.2005.07.001 ↗
2. Effects of heat input on tensile properties and fracture behavior of friction stir welded Mg–3Al–1Zn alloy10.1016/j.msea.2009.09.044 ↗
3. Friction stir welding of AZ31 magnesium alloy rolled sheets: influence of processing parameters10.1016/j.actamat.2008.09.011 ↗
4. Fatigue performance of pulsed current gas tungsten arc, friction stir and laser beam welded AZ31B magnesium alloy joints10.1016/j.matdes.2010.03.013 ↗
5. Effect of pin tool thread orientation on fatigue strength of friction stir welded AZ31B-H24 Mg butt joints10.1016/j.proeng.2010.03.089 ↗
6. Fatigue of welded magnesium alloy joints10.2320/matertrans.45.419 ↗
7. Fatigue crack growth behaviour of pulsed current gas tungsten arc, friction stir and laser beam welded AZ31B magnesium alloy joints10.1016/j.jmatprotec.2011.02.003 ↗
8. The role of twinning-detwinning on fatigue fracture morphology of Mg–3%Al–1%Zn alloy10.1016/j.msea.2008.04.056 ↗
9. Effect of anisotropy on the low-cycle fatigue behavior of rolled AZ31 magnesium alloy10.1016/j.msea.2009.08.044 ↗
10. Twinning-detwinning behavior during the strain-controlled low-cycle fatigue testing of a wrought magnesium alloy, ZK60A10.1016/j.actamat.2007.10.030 ↗
11. Basal plane texture and flow pattern in friction stir weld of a magnesium alloy10.1007/s11661-003-0228-4 ↗
12. Correlation between texture variation and transverse tensile behavior of friction-stir-processed AZ31 Mg alloy10.1007/s11661-012-1080-1 ↗
13. Effects of rotation rates on microstructure, mechanical properties, and fracture behavior of friction stir-welded (FSW) AZ31 magnesium alloy10.1007/s11661-012-1373-4 ↗
14. Scanning probe microscope observations of fatigue process in magnesium alloy AZ31 near the fatigue limit10.1016/j.scriptamat.2003.11.007 ↗
15. Effect of microstructure on fatigue behavior of AZ31 magnesium alloy10.1016/j.msea.2006.09.124 ↗
16. Fatigue of magnesium alloys
17. Fatigue behaviour and fracture mechanism of a rolled AZ31 magnesium alloy10.1016/j.ijfatigue.2004.03.015 ↗
18. A study of texture patterns in friction stir welds10.1016/j.actamat.2007.11.016 ↗
19. Orientation dependent slip and twinning during compression and tension of strongly textured magnesium AZ31 alloy10.1016/j.msea.2010.02.008 ↗
20. Twinning and texture development in two Mg alloys subjected to loading along three different strain paths10.1016/j.actamat.2007.03.006 ↗
21. Enhanced deformation mechanisms by anisotropic plasticity in polycrystalline Mg alloys at room temperature10.1007/s11661-005-0032-4 ↗
22. Crack initiation mechanism of extruded AZ31 magnesium alloy in the very high cycle fatigue regime10.1016/j.msea.2008.02.003 ↗
23. On the formation of onion rings in friction stir welds10.1016/S0921-5093(01)01474-5 ↗
24. On the forming mechanism of banded structures in aluminium alloy friction stir welds10.1016/j.scriptamat.2007.10.026 ↗
25. Shear flow and formation of nugget zone during friction stir welding of aluminium alloy 5083-O10.1016/j.msea.2007.05.074 ↗