North, Thomas H.

North, Thomas H.

Thomas H. North | Professor Emeritus
BSc, MSc, PhD (Strath), PEng

Office: MB 209
E: north@ecf.utoronto.ca

 


Research Areas

Welding engineering; welding of steel-aluminum alloys and other metallic materials; Joining and bonding of metals, ceramics polymers.

Select Publications

Gerlich, A., Su, P., North, T. H. and Bendzsak, G.J., (2005) Friction stir spot welding of aluminum and magnesium alloys, Materials Forum, Vol. 29, (ed. J.F. Nie, et al.), pp. 290-294.

Su, P., Gerlich, A., North, T.H. and Bendzsak, G.J., (2005) Material Flow during Friction Stir Spot Welding, Sci. and Tech. of Welding and Joining, Vol. 11(1), pp. 61-71.

Gerlich, A., Su, P. and North, T. H., (2005) Peak Temperatures and Microstructures in Al and Mg Alloy Friction Stir Spot Welds, Sci. and Tech. of Welding and Joining, Vol. 10, No. 6. pp. 647-652.

Gerlich, A., Su, P. and North, T.H., (2005) Tool Penetration during Friction Stir Spot Welding of Al and Mg Alloys, J. Materials Science, Vol. 40(24), pp. 6473-6481.

Gerlich, A., Avramovic-Cingara, G. and North, T. H., (2006) accepted to the International Conference on Aluminum Alloys (ICAA-10), Materials Science Forum, Vol. 519-521, pp. 1107-1113.

Gerlich, A., Cingara, G.A., North, T.H., (2006) Stir Zone Microstructure and Strain Rate during Al 7075-T6 Friction Stir Spot Welding, Metallurgical and Materials Transactions A, 37A, pp. 2773-2786.

Su, P., Gerlich, A., North, T.H. and Bendzsak, G.J., (2006) Energy Utilization and Generation during Friction Stir Spot Welding, Sci. and Tech. of Welding and Joining, Vol. 11(2), pp. 163-169.

Gerlich, A., Su, P., Yamamoto, M., and North, T.H. Effect of welding parameters on the strain rate and microstructure of Friction Stir Spot welded 2024 Aluminium alloy, J. Materials Science, in press, 2007.

Su P., Gerlich, A., North, T.H., Bendzsak, G.J., Intermixing in Friction Stir Spot Welds, Metallurgical and Materials Transactions A, in press, 2007.

Khan, I., Kuntz, M.L., Su, P., Gerlich, A., North, T.H., and Zhou, Y., Resistance and Friction Stir Spot Welding of DP600: A Comparative Study, Sci. and Tech. of Welding and Joining, in press, 2007.

Refereed Contributions

Plenary Presentation: T.H. North, G.J. Bendzsak, A. Gerlich and P. Su, Stir zone formation in FSW spot welds, AWJT’2005 Conference, Dalian, PR China, 20th/22nd October 2005

Plenary Presentation: T.H. North, Friction stir spot welding of Mg alloy sheet: Research Status and Future Needs, First Canada-USA-China workshop on magnesium developments and applications, October 17th/19th 2005, Detroit, Michigan.

Keynote Presentation: T.H. North, G.J. Bendzsak, P. Su, G. Cingara and C. Maldonado, Understanding Friction Welding, Proc. IURS 2000in Tsinghua University, Beijing, 15th/16th August 2005.

A. Gerlich, P.Su and T.H. North, presented, Numerical Modeling of FSW spot welding, TMS Meeting on Friction Stir Welding, San Francisco, February 2005.

A. Gerlich, P. Su and T. H. North, Friction Stir Spot Welding of Mg-Alloys for Automotive Applications, Magnesium Technology 2005. Edited by Neale R. Neelameggham, Howard I. Kaplan, and Bob R. Powell, TMS (The Minerals, Metals & Materials Society), San Francisco, February 2005.

Su, P., Gerlich, A., North, T. H., (2005) Friction stir spot welding of aluminum and magnesium alloy sheets, SAE Technical Series 2005-01-1255.

Su, P., Gerlich, A., North, T.H. and Bendzsak, G.J., (2006) Energy Generation and Stir Zone Dimensions in Friction Stir Spot Welds, SAE Technical Series 2006-01-0971

Gerlich, A., Su, P., North, T.H. and Bendzsak, G.J., Mechanism of stir zone formation in friction stir spot welds, Friction Stir Welding, Proc. Friction Stir Welding Colloquium, Graz, Austria, May 23, 2006.

Su, P., Gerlich, A., Yamamato, M., and North, T.H., Similar and dissimilar spot welding of Mg alloys, Int. Conf. on Magnesium Technology, Montreal, Canada, in press, November 2006.

Yamamoto, M., Su, P., Gerlich, A., North, T. H., (2007) Eutectic Segregation and Cracking in AZ91 Friction Stir Spot Welds, in press, SAE Technical Series 2007-01-1700.

Yamamoto, M., Su, P., Gerlich, A., North, T.H., and Shinozaki K., Liquid penetration induced cracking in AZ91 friction stir spot welds, J. Japn. Weld. Soc., in press, December 2006 (in Japanese).

Yamamoto M., Gerlich A., North T.H., and Shinozaki K., Liquid Penetration Induced Cracking in Mg-alloy Spot Welds, accepted in Proc. IWJC-Korea 2007, Int. Weld. & Joining Conf., Seoul, Korea.