The preparation method mainly comprises the following steps: preparing each hard
ceramic material layer and each soft material layer of the layered steel bond hard
alloy by utilizing an ultra-high-speed
laser cladding technology, and after each layer of material is prepared, preparing the hard
ceramic material layer and the soft material layer of the layered steel bond hard
alloy by utilizing an ultra-high-speed
laser cladding technology; a grid structure in a'mud
brick '-shaped structure is prepared by using an ultrafast
laser processing technology, and finally, the steel bond hard
alloy with the imitated mother-of-pearl
layered structure is formed through continuous stacking forming. The obtained layered steel bond hard alloy structure is of a mud
brick-shaped structure which is formed by alternately arranging hard
ceramic material
layers and soft material
layers and is similar to nacre in the nature. According to the method, the technical characteristics of an ultra-high-speed laser cladding technology and an ultra-fast
laser technology can be effectively coupled, a'mud
brick '-shaped steel bond hard alloy structure similar to a mother-of-pearl is prepared, a good strengthening effect is achieved, and the problems of
cracking and the like caused by a conventional laser steel bond hard alloy layer in the laser cladding preparation process are effectively controlled.