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Article

Formability and Weld Zone Analysis of Tailor-Welded Blanks for Various Thickness Ratios

[+] Author and Article Information
L. C. Chan, S. M. Chan, C. H. Cheng, T. C. Lee

Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China

J. Eng. Mater. Technol 127(2), 179-185 (Apr 06, 2005) (7 pages) doi:10.1115/1.1857936 History: Received January 15, 2004; Revised October 15, 2004; Online April 06, 2005
Copyright © 2005 by ASME
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References

Kridli, G. T., Friedmen, P. A., and Sherman, A. M., 2000, “Formability of Aluminum Tailor-Welded Blanks,” SAE Technical Paper, Paper No. 2000-01-0772.
Scriven,  P. J., Brandon,  J. A., and Williams,  N. T., 1996, “Influence of Weld Orientation on Forming Limit Diagram of Similar/Dissimilar Thickness Laser Welded Joints,” Ironmaking Steelmaking, 23(2), pp. 177–182.
Keerler, S. P., 1968, “Circular Grid System–A valuable Aid for Evaluating Sheet Metal Formability,” SAE Techanical Paper, Paper No. 680092.
Chen,  L. X., Bhandhubanyong,  P., Vajragupta,  W., and Somsiri,  C., 1997, “Plastic Properties of Low-Carbon Steel Sheets,” J. Mater. Process. Technol., 63(1-3), pp. 95–99.
Samuels, L. E., 1999, Light Microscopy of Carbon Steels, Materials Park, OH.
Waddell, W., Jacken, S., and Wallach, E. R., 1998, “The Influence of the Weld Structure on the Formability of Laser Welded Tailored Blanks,” SAE Technical Paper, Paper No. 982396.
Standard Test Methods for Tension Testing of Metallic Materials [Metric], ASTM Standard E 8M-01.
Standard Test Method for Vickers Hardness of Metallic Materials, ASTM Standard E 92-82.
Min,  K. B., Kim,  K. S., and Kang,  S. S., 2000, “A Study on Resistance Welding in Steel Sheets Using a Tailor-Welded Blank (1st Report): Evaluation of Upset Weldability and Formability,” J. Mater. Process. Technol., 101(1-3), pp. 186–192.
Rao,  K. P., and Mohan,  V. R., 2000, “An Investigation of the Influence of Pre-Strain on Material Properties of Sheet Brass,” Key Eng. Mater., 177-180, pp. 509–516.
Sigeert, K., and Knabe, E., 1995, “Fundamental Research and Draw Die Concepts for Deep Drawing of Tailored Blanks,” SAE Technical Paper, Paper No. 950921.
Shi, M. F., Pickett, K. M., and Bhatt, K. K., 1993, “Formability Issues in the Application of Tailor Welded Blank Sheets,” SAE Technical Paper, Paper No. 930278.

Figures

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A series of specifically designed circular specimens
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Weld line orientation of TWBs
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The deformed tensile specimens of TWBs with different thickness ratios after uniaxial tensile tests
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Tensile strength comparison of TWBs of a thickness ratio of 2 (1.0 mm/0.5 mm) with the base metal of thickness 0.5 and 1.0 mm
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Tensile strength comparison of TWBs of a thickness ratio of 1.67 (1.0 mm/0.6 mm) with the base metal of thickness 0.6 and 1.0 mm
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Tensile strength comparison of TWBs of a thickness ratio of 1.25 (1.0 mm/0.8 mm) with the base metal of thickness 0.8 and 1.0 mm
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Cross section of weld for TWB with 0.5 mm/0.7 mm thickness ratio (×50)
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Microstructure observed in cross section of TWB 1.0 mm/0.8 mm (×100): (a) Weld region near the 1.0 mm base metal side and (b) weld region near the 0.8 mm base metal side
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Vickers’ Hardness tests 8 on TWB 1.0 mm/0.5 mm; magnification of ×100
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Composition of microstructure distribution of TWBs with different thickness ratios
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Some of the formed TWBs with necking or failure
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Failure type of TWB of a thickness ratio of 2
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Comparison of the FLCs of TWBs with 1 mm base metals
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Comparison of the FLCs of TWBs with 0.7 mm base metal
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Comparison of the FLCs of TWBs with 0.5 mm base metals
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Minimum major strains of TWBs of similar thickness ratios

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