Transient liquid phase bonding of magnesium alloys AZ31 using nickel coatings and high frequency induction heat sintering
作者： A.N. AlHazaa , Khalil Abdelrazek Khalil , Muhammad A. Shar
DOI: 10.1016/J.JKSUS.2015.09.006
关键词:
摘要: Abstract Transient liquid phase (TLP) bonding process was applied to join magnesium alloy AZ31 samples with minimum microstructural changes. The were coated by 5 μm nickel prior the TLP bonding. Bonding conditions of 8 MPa uniaxial pressure and 520 °C temperature for all bonds at various times. microstructure across joint regions examined as a function time (5–60 min). Investigating change in Ni contents EDS line scan. It noticed that coating could not be observed SEM made 30 60 min due complete dissolution coating. Second particles containing Mg 2 intermetallics X-ray Photoelectron Spectroscopy (XPS) near region. shear strength initially increases increase till 20 min. On other hand, times over 20 min decreases. Therefore optimum concluded
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