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Near-zero expansion coefficient ceramic composite material and preparation method thereof
The invention relates to the technical field of ceramic composite materials, and provides a near-zero expansion coefficient ceramic composite material which comprises the following components in parts by weight: 80 to 110 parts of a ceramic raw material; 0.5 to 2 parts of hafnium tungstate; 0.5 to 5 parts of Ti-Ni alloy; and 5.6 to 26.5 parts of an auxiliary agent. According to the material, a ceramic raw material, hafnium tungstate and a Ti-Ni alloy are compounded for use, hafnium tungstate and the Ti-Ni alloy have a synergistic effect and are both negative thermal expansion coefficient materials, it can be guaranteed that the expansion coefficient of the obtained ceramic composite material is close to zero, it is guaranteed that the expansion coefficient property of the ceramic composite material is stable; meanwhile, the size stability is good; the material has good bending resistance and toughness, and is suitable for wide use.
本申请涉及陶瓷复合材料技术领域,提供了一种近零膨胀系数陶瓷复合材料,包括如下重量份数的组分:80~110份陶瓷原料;0.5~2份钨酸铪;0.5~5份Ti‑Ni合金;5.6~26.5份助剂。该材料以陶瓷原料与钨酸铪和Ti‑Ni合金复配使用,其中,钨酸铪和Ti‑Ni合金协同作用,均为负热膨胀系数材料,能够保证得到的陶瓷复合材料的膨胀系数接近于零,保证陶瓷复合材料的膨胀系数性质稳定,同时尺寸稳定性良好,具有较好的抗弯性能和韧性,适用于广泛使用。
Near-zero expansion coefficient ceramic composite material and preparation method thereof
The invention relates to the technical field of ceramic composite materials, and provides a near-zero expansion coefficient ceramic composite material which comprises the following components in parts by weight: 80 to 110 parts of a ceramic raw material; 0.5 to 2 parts of hafnium tungstate; 0.5 to 5 parts of Ti-Ni alloy; and 5.6 to 26.5 parts of an auxiliary agent. According to the material, a ceramic raw material, hafnium tungstate and a Ti-Ni alloy are compounded for use, hafnium tungstate and the Ti-Ni alloy have a synergistic effect and are both negative thermal expansion coefficient materials, it can be guaranteed that the expansion coefficient of the obtained ceramic composite material is close to zero, it is guaranteed that the expansion coefficient property of the ceramic composite material is stable; meanwhile, the size stability is good; the material has good bending resistance and toughness, and is suitable for wide use.
本申请涉及陶瓷复合材料技术领域,提供了一种近零膨胀系数陶瓷复合材料,包括如下重量份数的组分:80~110份陶瓷原料;0.5~2份钨酸铪;0.5~5份Ti‑Ni合金;5.6~26.5份助剂。该材料以陶瓷原料与钨酸铪和Ti‑Ni合金复配使用,其中,钨酸铪和Ti‑Ni合金协同作用,均为负热膨胀系数材料,能够保证得到的陶瓷复合材料的膨胀系数接近于零,保证陶瓷复合材料的膨胀系数性质稳定,同时尺寸稳定性良好,具有较好的抗弯性能和韧性,适用于广泛使用。
Near-zero expansion coefficient ceramic composite material and preparation method thereof
近零膨胀系数陶瓷复合材料及其制备方法
MENG FANDI (Autor:in)
24.09.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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