Pillow-Plate Heat Exchangers: Fundamental Characteristics

Determination of Tensile Shear Strength and Corrosion Behavior of Circular Bead Produced by a Laser Beam for Overlapped AISI 304 Steel Sheets

“…The high cooling rates to which this surface layer is subjected results in the formation of different microstructures from the bulk metal, leading to improved properties such as better resistance to wear and corrosion [4]. Tran et al [5] review the concept of PPHE including the effect of spot geometry on the heat exchange area. According to the authors, the welding point diameters are chosen as small as possible, still providing the necessary mechanical stability for the sheet during the hydroforming process and the subsequent long-term usage of the pillow.…”