Rolling and heat treatment method of high performance aln/az91d magnesium matrix composite
A heat treatment method and composite material technology, which is applied in the field of rolling and heat treatment of high-performance AlN/AZ91D magnesium-based composite materials, can solve the problems of restricting the development and application of traditional magnesium alloy materials, high processing environment requirements, and complicated processes, etc., to achieve The raw material preparation device is safe and reliable, the process parameters are easy to control, and the effect of simple process parameters
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Embodiment 1
[0026] 1. The AlN / AZ91 magnesium-based composite ingot of Ф100×130 is used as the original billet, and its preparation method refers to patent ZL201510882938.5;
[0027] 2. Put the AlN / AZ91D magnesium-based composite billet into a muffle furnace, and perform solution treatment at 415°C, and the solution time is 24 hours.
[0028] 3. After the solid solution treatment, take the material out of the muffle furnace and put it into tap water for quenching.
[0029] 4. Cut the quenched composite material ingot into the shape of rolling plate, and the surface is polished smooth, such as figure 2 shown.
[0030] 5. Put the prepared rolled plate into a muffle furnace and preheat it at 350°C for 5-15 minutes, then put it into a two-roll rolling mill for rolling (the rolls do not need to be heated). The rolling speed is 0.25m / s, the initial and final pass reductions are not more than 5%, and the intermediate pass reduction is 10%, annealing at 350°C for 5-10min between each pass. When...
Embodiment 2
[0034] 1. The AlN / AZ91 magnesium-based composite ingot of Ф100×130 is used as the original billet, and its preparation method refers to patent ZL201510882938.5;
[0035] 2. Put the AlN / AZ91D magnesium-based composite billet into a muffle furnace, and perform solution treatment at 420°C, and the solution time is 17 hours.
[0036] 3. After the solid solution treatment, take the material out of the muffle furnace and put it into tap water for quenching.
[0037] 4. Cut the quenched composite material ingot into the shape of rolling plate, and the surface is polished smooth, such as figure 2 shown.
[0038] 5. Put the prepared rolled plate into a muffle furnace and preheat it at 320° C. for 5-15 minutes, then put it into a two-roll mill for rolling (the rolls do not need to be heated). The rolling speed is 0.15m / s, the initial and final pass reductions are not more than 5%, the intermediate pass reduction is 15%, and annealing is performed at 320°C for 5-10min between each pass...
Embodiment 3
[0041]1. The AlN / AZ91 magnesium-based composite ingot of Ф100×130 is used as the original billet, and its preparation method refers to patent ZL201510882938.5;
[0042] 2. Put the AlN / AZ91D magnesium-based composite billet into a muffle furnace, and perform solution treatment at 400°C, and the solution time is 24 hours.
[0043] 3. After the solid solution treatment, take the material out of the muffle furnace and put it into tap water for quenching.
[0044] 4. Cut the quenched composite material ingot into the shape of rolling plate, and the surface is polished smooth, such as figure 2 shown.
[0045] 5. Put the prepared rolled plate into a muffle furnace and preheat it at 320° C. for 12 minutes, then put it into a two-roll rolling mill for rolling (the rolls do not need to be heated). The rolling speed is 0.15m / s, the initial and final pass reductions are not more than 5%, the middle pass reduction is 15%, and each pass is annealed at 350°C for 5 minutes. When the total ...
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