Alloy 718 is a precipitation strengthened nickel-based superalloy based on the precipitation ofγ'-Ni3Nb (DO22 structure) and γ-Ni3(Al, Ti) (Ll2 structure)
A system for the numerical simulation of 3D temperature and stress fields during casting process was studied, developed and practiced based on finite difference
Raman scattering spectroscopy and scanning electron microscopy (SEM) techniques were used to determine the structural properties of two typical series of microc
e thermal model of FSW based on the thermal elastic-plastic finite element method, and the transient temperature distribution of FS welded joints of 2024-T4 Al