Abstract
The mechanical properties of friction-welded pure Cu/CK45 carbon steel joints have been studied. The joint strength increased with increasing upset pressure till it reached a critical value. However, the joint strength was fixed at a low strength with increasing friction time, compared to that of the Cu base metal. The hardness near the interface at the Cu side was softer than that of the base metal due to the dynamically recrystallized and annealed grain. The width of the softened region became wider with increasing friction time and decreasing upset pressure. But the hardness of the CK45 carbon steel side showed a slightly higher value than that of the base metal. This result was explained by the formation of martensite structure at the CK45 carbon steel side during the welding process.
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This work was supported by the Advanced Materials and Process Research Center for IT at Sungkyunkwan University (Grant No. R12-2002-057–03001-0).
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© 2003 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Articles/Aufsätze
- Thermodynamics of liquid Al–In, Ag–In and In–Sb alloys from a four-atom cluster model
- Enthalpies of mixing of liquid Al–Fe–Ge alloys
- EMF study of liquid Al–Fe–Ge alloys
- Activity measurements of Ga in liquid Ga–Tl alloys by EMF method with zirconia solid electrolyte
- Effect of microstructural variation on the Cu/CK45 carbon steel friction weld joint
- Thermal loading of steel in molten aluminium
- Effect of modes of rolling on evolution of texture in pure copper and some copper base alloys
- Microstructure and fatigue strength of A356 alloy castings refined on the surface by rapid crystallization
- The shape of extrusions and intrusions produced by cyclic straining
- The fracture toughness of Mg2Si determined by 3-point bending and the indentation microcracking method
- Fabrication of Mo coatings on cast-iron substrates by a plasma spray system
- Influence of Cu and Sn addition on the corrosion resistance of AISI 304 stainless steel in acid media
- Editorial
- Laudatio in honour of Professor Herbert Gleiter
- Notifications/Mitteilungen
- Personal/Personelles
- Books/Bücher
- News
- DGM Events
Articles in the same Issue
- Frontmatter
- Articles/Aufsätze
- Thermodynamics of liquid Al–In, Ag–In and In–Sb alloys from a four-atom cluster model
- Enthalpies of mixing of liquid Al–Fe–Ge alloys
- EMF study of liquid Al–Fe–Ge alloys
- Activity measurements of Ga in liquid Ga–Tl alloys by EMF method with zirconia solid electrolyte
- Effect of microstructural variation on the Cu/CK45 carbon steel friction weld joint
- Thermal loading of steel in molten aluminium
- Effect of modes of rolling on evolution of texture in pure copper and some copper base alloys
- Microstructure and fatigue strength of A356 alloy castings refined on the surface by rapid crystallization
- The shape of extrusions and intrusions produced by cyclic straining
- The fracture toughness of Mg2Si determined by 3-point bending and the indentation microcracking method
- Fabrication of Mo coatings on cast-iron substrates by a plasma spray system
- Influence of Cu and Sn addition on the corrosion resistance of AISI 304 stainless steel in acid media
- Editorial
- Laudatio in honour of Professor Herbert Gleiter
- Notifications/Mitteilungen
- Personal/Personelles
- Books/Bücher
- News
- DGM Events