EBSD Analysis of Microstructure of Inconel625 Alloy Wire
In this paper,the preferred orientation,grain size,surface quality and inclusions content of the A wire were com-pared with the domestic B wire and foreign C wire by EBSD technique.The results show that,by optimizing the composi-tion and process of welding wire,the section of A,B and C wires have<111>and<100>wire texture,and the texture den-sity sorting as A<B<C.The sum of recrystallized grains and the number of recovery grains in the longitudinal section of A wires accounted for 33.45%of the total number of grains,and the number of recrystallized grains in the longitudinal section of B wires plus the number of recovery grains was 9.45%,whereas the number of recrystallized grains and the number of re-covery grains in the cross section of C wires was 12.21%,sorting as A>C>B.The grain size grade of A,B,C wire is G12.0,G12.5,G13.0 respectively,sorting as C>B>A.The 3D roughness of A,B,C wire is 4.30 μm,4.76 μm,5.29 μm re-spectively,and the surface quality of A is the best and B is better than C.A wire with an inclusion rating of D0.5 has a field of view of 2.B,C wire with an inclusions rating of D1 has a field of view of 7,and there is a D1e class of coarse and fine in-clusions in one field of view.Comprehensive assessment of the quality of the A wire is better than that of the B,C wire.