“…Polycrystalline: any study that deals with a superalloy having a polycrystal grain structure [3,5,7,12,33,46,47,53,55,57,67] Comparative studies: any study that has done a comparison on different properties, manufacturing methods, casting conditions, alloys, or any other parameters [1-3, 10, 11, 13, 16, 19-23, 25, 30, 33-36, 39, 45, 47, 52, 53, 57, 66, 74-78] 1 st generation superalloy: any study that has used a 1 st generation superalloy [1, 3, 5-7, 10, 11, 13, 30-35, 40, 42, 43, 49, 79] 2 nd generation superalloy: any study that has used a 2 nd generation superalloy [16, 19, 20, 22, 23, 28, 29, 33, 36-38, 43, 56, 68] 3 rd generation superalloy: any study that has used a 3 rd generation superalloy [8,21,50] 4 th generation superalloy: any study that has used a 4 th generation superalloy [23,51,77] 4…”