Solid-state diffusion enhancement of liquid phase joints between austenitic stainless steel alloy and magnesium alloy | ||||
| The International Conference on Applied Mechanics and Mechanical Engineering | ||||
| Article 6, Volume 14, 14th International Conference on Applied Mechanics and Mechanical Engineering., May 2010, Page 1-10 PDF (620.29 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/amme.2010.37513 | ||||
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| Authors | ||||
| Waled Mohamed Elthalabawy1; Tahir Irfan Khan2 | ||||
| 1Egyptian Armed Forces & University of Calgary, Alberta, Canada. | ||||
| 2University of Calgary, Alberta, Canada. | ||||
| Abstract | ||||
| Abstract: The drive to reduce vehicle emissions and fuel consumption, yet maintain strength has led to the increase in use of austenitic stainless steels and magnesium alloys in the transport industry. Therefore, the bonding together of these dissimilar alloys is of critical importance. In this study, a solid-state diffusion bonding of 316L to Ni interlayer at 900oC preceded a transient liquid phase bonding between AZ31 and the Ni interlayer at 510oC. The results showed that, during the liquid phase bonding, the bonding time controlled the isothermal solidification stage and resulted in a metallurgical bond. A combination of solid-state reaction at the 316L steel-Ni interface and eutectic liquid formation at the AZ31/ Ni gained a 17% increase in the joint shear strength compared to joints produced without the solid-state diffusion-bonding step. | ||||
| Keywords | ||||
| magnesium alloy; stainless steel; bonding; Microstructure; intermetallics | ||||
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