|About this Abstract
||Materials Science & Technology 2019
||Joining of Advanced and Specialty Materials XXI
||Phase Transformations and Mechanical Properties of a 10 wt% Ni Steel Welding Consumable
||Erin J. Barrick, John DuPont
|On-Site Speaker (Planned)
||Erin J. Barrick
Naval applications require the use of steels with high strength and high toughness over a wide range of service and welding conditions. A 10 wt% Ni steel welding consumable is under development with strength and toughness values exceeding the naval steels currently in use. The objective of this work was to establish a scientific basis for the effects of microstructural constituents on the mechanical properties in this system. Gas tungsten arc and gas metal arc welds were characterized with particular emphasis on non-metallic oxide inclusions, scale of the martensitic microstructure generated by the welding thermal cycles, and the presence of coarse/coalesced martensite. The results of this study will be utilized for making modifications in composition and/or processing conditions for this consumable, thus paving the way for eventual full scale use of this alloy.