Process for preparing TiBw/Ti alloy-based composite material
A composite material and alloy-based technology, which is applied in the field of preparation of titanium alloy-based composite materials, can solve problems such as high cost, achieve the effects of reducing raw material costs, small difference in thermal expansion coefficient, and ensuring stability and compactness
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specific Embodiment approach 1
 Specific embodiment one: the TiBw / Ti alloy matrix composite material of this embodiment is prepared according to the following steps: 1. Mechanical powder mixing: mix 1.01% to 6.06% of TiB by mass percentage 2 Powder and 98.99% to 93.94% titanium alloy powder are mechanically mixed with a ball mill, and the mixing time is 4 to 12 hours; 2. Hot pressing sintering: put the mixed composite powder into a vacuumized airtight container for hot pressing Sintering, the temperature is directly heated from room temperature to 1100-1500 ° C, the pressure is kept at 15-30 MPa, the pressure-holding time is 0.5-5 hours, and the titanium alloy-based composite material can be obtained after cooling to room temperature; wherein, the Ti alloy powder in step 1 The particle size is 180~300μm, TiB 2 The grain size of the alloy is 2-5 μm.
specific Embodiment approach 2
 Embodiment 2: The difference between this embodiment and Embodiment 1 is that the titanium alloy in step 1 is selected from α+β type dual-phase high-strength titanium alloys TC4-TC21 series. Other steps and parameters are the same as those in Embodiment 1.
specific Embodiment approach 3
 Embodiment 3: The difference between this embodiment and Embodiment 1 is that the titanium alloy in step 1 is selected from the TA15-TA19 series of near-alpha high-temperature titanium alloys. Other steps and parameters are the same as those in Embodiment 1.
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