Fatique Resistant, Energy Efficient Welding Program, Final Technical Report
The program scope was to affect the heat input and the resultant weld bead geometry by synchronizing robotic weave cycles with desired pulsed waveform shapes to develop process parameters relationships and optimized pulsed gas metal arc welding processes for welding fatique-critical structures of steel, high strength steel, and aluminum. Quality would be addressed by developing intelligent methods of weld measurement that accurately predict weld bead geometry from process information. This program was severely underfunded, and eventually terminated. The scope was redirected to investigate tandem narrow groove welding of steel butt joints during the one year of partial funding. A torch was designed and configured to perform a design of experiments of steel butt weld joints that validated the feasability of the process. An initial cost model estimated a 60% cost savings over conventional groove welding by eliminating the joint preparation and reducing the weld volume needed.
- Research Organization:
- Caterpillar Inc. P. O. Box 1875, Peoria, IL 61656-1875
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- DOE Contract Number:
- FC36-03ID14462
- OSTI ID:
- 882565
- Report Number(s):
- DOE/IS/14462-1; TRN: US200716%%258
- Country of Publication:
- United States
- Language:
- English
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