Analysis of weld metal solidification and microstructures
Conference
·
OSTI ID:5533741
Solidification is a critical phase change occurring during welding that controls weld metal microstructure, properties, and ultimately weldability of alloys. In recent years, significant advances have been made in the solidification theories that relate to castings and rapidly solidified materials. A critical need exists to understand weld pool solidification in the light of these new theories. This paper will describe the solidification behavior of weld pools, incorporating some recent advances in solidification theories. Basic principles from ingot, single crystal, and rapid solidification processes will be used to understand and explain observed weld-metal microstructures. 62 refs., 12 figs.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5533741
- Report Number(s):
- CONF-9106229-1; ON: DE91014574
- Country of Publication:
- United States
- Language:
- English
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