Fiber reinforced ceramic matrix composite heat-resistant plate and preparation method thereof
A composite material and fiber-reinforced technology, which is applied in the field of heat-resistant plates, can solve the problems of low core strength, poor mechanical strength and thermal shock resistance, and difficulty in compacting the core of large-sized bosses.
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Embodiment 1
[0044] A carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the back of the heat-resistant plate is provided with a boss, the boss is provided with a groove, the groove is provided with an internal thread, the groove is threaded to connect a stud, and the length of the stud is Greater than the depth of the groove, the depth of the groove of the boss is 30mm, the length of the stud is 65mm, and the thread gap between the groove and the stud is filled with a ceramic matrix. The material of the heat-resistant plate is a conventional fiber-reinforced ceramic matrix composite material in the field.
[0045] The preparation method of the above-mentioned carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the preparation method comprises the following steps:
[0046] (1) Preparation of prefabricated body: The fiber prefabricated body is prepared by 0 / 90°2.5D needle punching of carbon fiber (12K) non-weft cloth-mesh tire accordi...
Embodiment 2
[0061] A carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the back of the heat-resistant plate is provided with a boss, the boss is provided with a groove, the groove is provided with an internal thread, the groove is threaded to connect a stud, and the length of the stud is Greater than the depth of the groove, the depth of the groove of the boss is 30mm, the length of the stud is 80mm, and the thread gap between the groove and the stud is filled with a ceramic matrix. The material of the heat-resistant plate is a conventional fiber-reinforced ceramic matrix composite material in the field.
[0062] The preparation method of the above-mentioned carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the preparation method comprises the following steps:
[0063] (1) Preparation of prefabricated body: According to the component selection of carbon fiber (12K) cloth 2.5D puncture to make a prefabricated body, the diameter of...
Embodiment 3
[0081] A carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the back of the heat-resistant plate is provided with a boss, the boss is provided with a groove, the groove is provided with an internal thread, the groove is threaded to connect a stud, and the length of the stud is Greater than the depth of the groove, the depth of the groove of the boss is 35mm, the length of the stud is 90mm, and the thread gap between the groove and the stud is filled with a ceramic matrix. The material of the heat-resistant plate is a conventional fiber-reinforced ceramic matrix composite material in the field.
[0082] The preparation method of the above-mentioned carbon fiber reinforced ceramic matrix composite material heat-resistant plate, the preparation method comprises the following steps:
[0083] (1) Preparation of prefabricated body: 2.5D puncture of carbon fiber cloth is selected according to the components to make a prefabricated body. The diameter of th...
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