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Manufacture, Mechanical Properties and Interfacial Corrosion of 316L/17-4PH Bimetals with a Nanostructured Ni Layer
, M.Sc. Thesis Sharif University of Technology ; Simchi, Abdol Reza (Supervisor) ; Dolati, Abol Ghasem (Supervisor)
Abstract
Transient liquid phase (TLP) bonding of 316L/17-4PH bimetals using a thin layer of nanostructured nickel was studied. The nanostructured nickel interface was deposited through pulse current coating in a Watt bath. The TLP bonding was performed at different temperatures ranging from 1000 °C to 1300 °C using a nickel interface having different thicknesses (2-17µm) and crystallite size (14-67 nm). The microstructure of the joint bimetals and phase formation were studied using the optical and scanning electron microscopes and X-ray diffraction (XRD) method. The mechanical properties of the bimetals were evaluated by micro-hardness and shear tests. To evaluate the corrosion behavior of the...