Friction Stir Spot Welding of Advanced High Strength Steels
Friction stir spot welding techniques were developed to successfully join several advanced high strength steels. Two distinct tool materials were evaluated to determine the effect of tool materials on the process parameters and joint properties. Welds were characterized primarily via lap shear, microhardness, and optical microscopy. Friction stir spot welds were compared to the resistance spot welds in similar strength alloys by using the AWS standard for resistance spot welding high strength steels. As further comparison, a primitive cost comparison between the two joining processes was developed, which included an evaluation of the future cost prospects of friction stir spot welding in advanced high strength steels.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 976991
- Report Number(s):
- PNNL-SA-68851; VT0505000
- Resource Relation:
- Conference: Proceedings of the 2009 International Automotive Body Congress (IABC 2009), 22
- Country of Publication:
- United States
- Language:
- English
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Friction Stir Spot Welding of Advanced High Strength Steels
Friction Stir Spot Welding of Advanced High Strength Steels