About this Abstract |
Meeting |
2023 AWS Professional Program
|
Symposium
|
2023 AWS Professional Program
|
Presentation Title |
Practical Calculation of Cooling Rate, HAZ Width, and Thermal Features in Welding and Additive Manufacturing |
Author(s) |
Patricio F. Mendez |
On-Site Speaker (Planned) |
Patricio F. Mendez |
Abstract Scope |
This presentation will share a set of newly developed expressions to predict cooling rate, HAZ width, and many other thermal features of relevance in welding and additive manufacturing. The expressions use only parameters available before performing any experiments, and their calculation is algebraic, without the need for numerical methods. All expressions are based on the fundamental governing equations of heat transfer in the solid. Parameters involved include heat source power and speed, thermal conductivity and diffusivity of the substrate material, temperature of interest and preheat or interpass temperature. Temperature-dependent properties are accounted for by the use of effective properties. The effect of fluid flow in the melt is currently being explored. The expressions proposed can be extended into sophisticated geometries for welding and specific additive manufacturing cases. |
Proceedings Inclusion? |
Undecided |