Moulding method of variable-density broadband wave-transparent quartz composite ceramic antenna housing body
A technology of composite ceramics and molding methods, which is applied in the field of forming the broadband wave-transparent radome for missiles, can solve the problems of no multi-frequency and broadband, achieve good structural strength, good application prospects, and reduce antenna phase distortion Effect
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[0026] Example 1
[0027] A method for forming a variable-density broadband wave-transmitting quartz composite ceramic radome cover includes the following steps:
[0028] 1) Design the radome cover according to the size and quality requirements of the cover. Its size is shown in the following table:
[0029] Table 1 The main dimensions of the product
[0030]
[0031] 2) Quartz glass fiber yarn is used as the outer layer material of the cover, and hollow quartz glass fiber yarn is used as the inner layer material. The outer layer material and the inner layer material are integratedly woven to obtain an inner and outer cover fabric;
[0032] The volume percentage of the quartz fiber yarn in the outer layer material is 40-45%, the density of the quartz fiber yarn is 190-198tex, SiO 2 The content is ≥99.92%, the breaking strength of single filament is ≥70KN; the volume percentage of hollow quartz fiber yarn in the inner material is 25-30%, and the density of the hollow quartz fiber yarn is...
Example Embodiment
[0039] Example 2
[0040] A method for forming a variable-density broadband wave-transmitting quartz composite ceramic radome cover includes the following steps:
[0041] 1) Design the radome cover according to the size and quality requirements of the cover. Its size is shown in the following table:
[0042] Table 1 The main dimensions of the product
[0043]
[0044] 2) Quartz glass fiber yarn is used as the outer layer material of the cover, and hollow quartz glass fiber yarn is used as the inner layer material. The outer layer material and the inner layer material are integratedly woven to obtain an inner and outer cover fabric;
[0045] The volume percentage of the quartz fiber yarn in the outer layer material is 40-45%, the density of the quartz fiber yarn is 190-198tex, SiO 2 Content ≥99.92%, single filament breaking strength ≥70KN;
[0046] The volume percentage of hollow quartz fiber yarn in the inner material is 25-30%, and the density of the hollow quartz fiber yarn is 190-198t...
Example Embodiment
[0053] Example 3
[0054] A method for forming a variable-density broadband wave-transmitting quartz composite ceramic radome cover includes the following steps:
[0055] 1) Design the radome cover according to the size and quality requirements of the cover. Its size is shown in the following table:
[0056] Table 1 The main dimensions of the product
[0057]
[0058] 2) Quartz glass fiber yarn is used as the outer layer material of the cover, and hollow quartz glass fiber yarn is used as the inner layer material. The outer layer material and the inner layer material are integratedly woven to obtain an inner and outer cover fabric;
[0059] The volume percentage of the quartz fiber yarn in the outer layer material is 40-45%, the density of the quartz fiber yarn is 190-198tex, SiO 2 The content is ≥99.92%, the breaking strength of single filament is ≥70KN; the volume percentage of hollow quartz fiber yarn in the inner material is 25-30%, and the density of the hollow quartz fiber yarn is...
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