Mechanical Properties of Aluminum Welds - Course Notes

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Paint Bake Cycle 18 Al alloys used for automotive applications undergo a paint bake cycle which may have an effect on the material’s properties given that many Al alloys are artificially aged around this temperature Baking Conditions: 180°C for 20 mins then air cool, reheat to 180°C for 30 mins All base material samples with the exception of 5754-O tested in this condition All welds were tested in this condition which is meant to simulate the paint bake cycle.
Experimental Procedure 19 Mechanical Testing Tensile Tests Base Materials Welds Shear Tests Base Materials Welds HAZ Locating the HAZ to place shear zones Microhardness Profiles Microstructure OM (Electrolytic etching using Barker’s and viewing under cross polarized light) Fractography SEM on fracture surfaces
Page 1 and 2: MECHANICAL PROPERTIES OF ALUMINUM W
Page 3 and 4: Motivation 3 Increased use of alum
Page 5 and 6: Mechanical Properties of Welds 5 P
Page 7 and 8: Modified Shear Samples 7 Machined
Page 9 and 10: Shear Test: Kang et al [1] 9 The
Page 11 and 12: Barlat-Lian Yield Function: r= plas
Page 13 and 14: True stress, MPa RSW welds graph 13
Page 15 and 16: Project Outline 15 Weld Cases Case
Page 17: Weld Configuration 17 (A) (B) RD RD
Page 21 and 22: 6063 T4 Stress-Strain Curves 21 606
Page 23 and 24: Shear Test samples: welds 23 Welded
Page 25 and 26: Shear Tests- Base Materials 25 Sam
Page 27 and 28: Summary 27 Tensile tests on bas
Page 29 and 30: Acknowledgements 29 General Motors

Mechanical Properties of Aluminum Welds - Course Notes

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