A review of technologies for welding magnesium alloys to steels
Journal Article
·
· International Journal of Precision Engineering and Manufacturing-Green Technology
- BATTELLE (PACIFIC NW LAB)
Here we review various state-of-the-art methods for welding magnesium alloys and steels using different joint configurations. Microstructural characterizations indicate that four microstructures may form at the Mg/steel interface after welding: unwelded gap, metal oxides, solid solutions, or intermetallic compounds. Reaction products at the Mg/steel interface vary with different welding methods, alloying elements in base materials, interlayers or coatings applied, and preparations of base material before welding. Regarding mechanical property characterization, (a) lap tensile shear testing for lap-welded and spot-welded joints, (b) tensile testing for butt-welded joints and (c) fatigue properties of lap-welded and spot-welded joints are summarized and compared, separately. Reaction products at the Mg/steel interface are correlated with mechanical properties. Finally, ways to enhance Mg/steel joint strength, such as introducing interlocking features during friction stir lap and butt welding, are discussed.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1819728
- Report Number(s):
- PNNL-SA-149896
- Journal Information:
- International Journal of Precision Engineering and Manufacturing-Green Technology, Journal Name: International Journal of Precision Engineering and Manufacturing-Green Technology Journal Issue: 3 Vol. 8
- Country of Publication:
- United States
- Language:
- English
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