Ta2AlC screw

The utility model discloses a ta2AlC screw, ta2AlC propeller hub and ta2AlC oar axle including mutually supporting and connecting still include the ta2AlC paddle, the quantity of ta2AlC paddle is four, and every ta2AlC paddle includes blade root, guide margin and follows the limit, and is adjacent the contained angle of ta2AlC paddle is 90, the blade root of ta2AlC paddle is connected the outer peripheral surface of ta2AlC propeller hub, wherein the guide margin of a slice ta2AlC paddle is arc, and the limit of following of this film ta2AlC paddle also is arc, and the limit of following of this ta2AlC paddle is the arc to the blade root to the bending of blade surface orientation. The utility model discloses screw simple structure is reasonable, and whole screw all adopts the ta2AlC material preparation to form, and the screw that makes not only has high intensity, hardness and abrasion resistance, but also is able to bear or endure strong acid, alkali and high temperature resistant to still has good electric