Effects of ultrasonic welding parameters for solar collector applications
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Emre Yeniyil
, Cem Boga and Ugur Esme
Abstract
Today, ultrasonic welding is used in many different areas due to ease of application compared to other welding methods. Computer, electric, automotive and aerospace industries are the leading areas for these applications. With its ability to easily join materials like Al, Cu, Ni, ultrasonic welding has become a preferred method for use in the welding of solar collectors which are components in solar energy systems. The system parameters for welding solar collectors must of course be adjusted according to the properties of the materials used so that the heat transfer between specimens is not affected. In this study, the selective coated plate and the heat carrier pipes of solar collectors were welded using ultrasonic seam welding, and the optimum welding parameters were determined according to the Cu-DHP copper alloy used. For this purpose, copper specimens were welded using welding speeds of 4, 8, 12 and 16 m × min−1 and amplitudes of 4, 5 and 6 μm, while pressure and frequency values were fixed. The shear strength values of these welded specimens were calculated, and images of the weld areas were obtained with the help of a scanning electron microscope. Through hardness measurements made on the interfacial region of the welds, it was concluded that optimal welding performance was obtained at an amplitude of 4 μm and a welding speed of 12 m × min−1. At these parameters, a mean shear strength value of 0.1386 MPa and a mean hardness value of 112 HV were measured.
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© 2019, Carl Hanser Verlag, München
Articles in the same Issue
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- Structural evolution of ceramic coatings by mechanical alloying
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Articles in the same Issue
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- StressLifetc – NDT-related assessment of the fatigue life of metallic materials
- Structural evolution of ceramic coatings by mechanical alloying
- Influence of rolling texture on near-threshold crack extension behavior in aluminum alloy EN AW-6082
- Influence of variation of energy per unit length on mechanical-technological properties of ultra-high-strength steel 22MnB5 in the laser beam welding process
- Comparative study on fatigue behavior between unbonded prestressed and ordinary reinforced reactive powder concrete beams
- Quantitative analysis of metal fiber morphology by level set image segmentation algorithms
- Mechanical properties of electro and butt fusion welded high-density polyethylene pipes
- Effects of ultrasonic welding parameters for solar collector applications
- Mechanical strength of single-lap joints bonded with nano graphene and MWCNT reinforced epoxy-based nanocomposite adhesives
- Optimum spatial variable blank holder forces determined by the sequential response surface method (SRSM) and a hybrid algorithm
- Experimental study on gas emission from coal mass with a rich microstructure
- Effect of water absorption on the flexural strength of a green sandwich composite
- Wavelet based pseudo color scaling for optimizing wear behavior of epoxy composites
- Damage characteristics of basalt fiber reinforced mortar under compression evaluated by acoustic emission