High-strength molybdenum nickel boron ternary boride material and manufacturing preparation method thereof
A ternary boride, high-strength technology, applied in the field of molybdenum nickel boron ternary boride materials, can solve the problems of heavy metal dust, human health damage, affecting the continuity of materials, easy to generate dust, etc. The effect of grain growth and segregation reduction
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[0022] Embodiment 1: This embodiment provides a high-strength molybdenum nickel boron ternary boride material, and its element content percentage is: boron (B) content is 3%, molybdenum (Mo) content is 40%; chromium (Cr) content is 8%, carbon (C) content is 0.2%, vanadium (V) content is 3%, niobium (Nb) content is 4%, tungsten (W) content is 0.5%, cerium The content of (Ce) is 0.3%, the content of manganese (Mn) is 3%, and the content of nickel (Ni) is 38%. Mo 2 NiB 2 The basic component of the base cermet is the hard phase Mo 2 NiB 2 With binder phase Ni, Mo 2 NiB 2 The crystal structure is orthorhombic crystal system, which is transformed into tetragonal crystal system after adding appropriate amount of Cr and V. During the liquid phase sintering process, the crystal grains grow unevenly and produce sharp angles, which causes the hard phase crystal grains to adhere to the metal. The bonding of the phase is poor, which is not conducive to the improvement of the strength and t...
Example Embodiment
[0039] Embodiment 2: This embodiment provides a high-strength molybdenum-nickel-boron ternary boride material and its preparation method, which are basically the same as Embodiment 1, except that the elements and their mass percentages are as follows: Boron (B) The content of is 5%, the content of molybdenum (Mo) is 55%; the content of chromium (Cr) is 1%, the content of carbon (C) is 0.5%, the content of vanadium (V) is 4%, and the content of niobium (Nb) The content of tungsten (W) is 4%, the content of cerium (Ce) is 1%, the content of manganese (Mn) is 1%, and the content of nickel (Ni) is 27.5%.
Example Embodiment
[0040] Embodiment 3: This embodiment provides a high-strength molybdenum-nickel-boron ternary boride material and its preparation method, which are basically the same as Embodiment 1, except that the elements and their mass percentages are as follows: Boron (B) The content is 6%, the content of molybdenum (Mo) is 35%; the content of chromium (Cr) is 6%, the content of carbon (C) is 0.8%, the content of vanadium (V) is 0.5%, and the content of niobium (Nb) The content of tungsten (W) is 5%, the content of cerium (Ce) is 0.1%, the content of manganese (Mn) is 2%, and the content of nickel (Ni) is 41.6%.
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