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S14: Cancelled - Environmentally Assisted Cracking of High-Strength Alloys

Belongs to:
TopicS: Structural Materials

We are presently experiencing the complete transformation of the alloy development and manufacturing cycles, which are transitioning from the traditional trial-and-error approach to a new knowledge-based methodology. At the same time, the ever-growing demand of the power, automotive, and aerospace sectors is fueling the development of new high-strength alloys with complex microstructures and chemistries and the utilization of conventional materials in increasingly aggressive conditions. As a result, in the past five years, many high-strength alloys, particularly precipitation-hardening nickel alloys and stainless steels, have been found prone to environmentally assisted cracking (EAC), even in environments deemed a priori benign. 
This symposium seeks original research articles focused on EAC of high-strength materials, including but not limited to low alloys steels, stainless steels, high entropy alloys, nickel-, aluminum-, and titanium-based alloys produced by traditional and unconventional fabrication processes such as additive manufacturing.  Specifically, the goal of the symposium is to address how the compound interplay between microstructure, stress, and environmental conditions affects EAC resistance, which will aid in establishing safe environmental boundaries. Research combining traditional approaches and modern techniques, including in situ testing and high-resolution analysis and characterization tools are encouraged as they will provide an entirely new perspective for the examination of the various forms of EAC. Further research aiming to develop predictive models or multiscale physics-based approaches to understand the EAC mechanism and predict the lifetime of structural materials in harsh environments are welcome.