Method and device for preparing single crystal cladding
A cladding and single crystal technology, which is applied in the field of preparing single crystal cladding, can solve the problems of high requirements for single crystal cladding devices and difficult operation
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[0027] figure 1 is a flowchart of an exemplary single crystal cladding fabrication method shown according to some embodiments. In some embodiments, the process 100 may be performed by one or more components in a single crystal cladding fabrication apparatus (eg, single crystal cladding fabrication apparatus 200 ). In some embodiments, the process 100 can be automatically executed by the control system. For example, the process 100 may be implemented by a control instruction, and the control system controls each component to complete each operation of the process 100 based on the control instruction. In some embodiments, process 100 can be performed semi-automatically. For example, one or more operations of process 100 may be performed manually by an operator. In some embodiments, when completing the process 100, one or more additional operations not described may be added, and / or one or more operations discussed herein may be deleted. in addition, figure 1 The order of op...
Embodiment
[0167] According to the stoichiometric ratio, the Y with a purity greater than 99.9% was weighed 2 o 3 Powder and Al 2 o 3 Powder, mix evenly and put into the crucible. The crucible is placed in a muffle furnace for calcination, the calcination temperature is 1400°C-1700°C, the calcination time is 5h-25h, and the YAG polycrystalline powder is obtained.
[0168] The YAG polycrystalline powder is heat-treated at a heating rate of 1°C / min-12°C / min, and flowing argon and nitrogen gas with a flow rate of 1L / min-5L / min are introduced during the heat treatment process. Raise the temperature to 1900°C-2100°C and keep it warm for 2h-12h to obtain YAG melt.
[0169] The YAG melt is poured out, the injection unit is started, and the YAG melt is dispersed and cooled by injecting liquid nitrogen to obtain fine amorphous YAG melt and amorphous YAG solid particles. The injection angle is 20°-70°, the injection pressure is 0.1MPa-2.5Mpa, and the distance between the injection port of the...
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