A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
On one hand, the invention provides a preparation method of a ceramic sound-absorbing material with a straight-through gradient pore structure, which comprises the following steps of: dipping ceramic slurry on a plurality of organic templates with porous structures, applying carbon powder particles on the surfaces of the organic templates, laminating the plurality of organic templates, drying, discharging glue, sintering and post-processing, thereby obtaining the ceramic sound-absorbing material with the straight-through gradient pore structure; on the other hand, the invention provides the ceramic sound-absorbing material with the straight-through gradient pore structure prepared by the method, the compressive strength is 5.8 MPa-7. 5MPa, the porosity is 72%-90%, and the noise reduction coefficient NRC is 0.55-0.85; the ceramic sound-absorbing material with the straight-through gradient hole structure prepared by the method provided by the invention has a gradient-distributed straight-through hole structure, and compared with the prior art, the ceramic sound-absorbing material has a better sound-absorbing effect, also has excellent mechanical properties while having high porosity, and in addition, the raw materials for preparing the ceramic sound-absorbing material with the straight-through gradient hole structure are cheap and easy to obtain, the production process is simple, and the ceramic sound-absorbing material can be applied to batch and large-scale production and has the advantage of being easy to popularize.
本发明一方面提供了一种直通梯度孔结构的陶瓷吸音材料的制备方法，将陶瓷浆料浸渍于若干具有多孔结构的有机模板上，在有机模板的表面施布碳粉颗粒后，将若干所述有机模板叠层，经干燥、排胶、烧结以及后处理得到；本发明另一方面提供了由上述方法制备的直通梯度孔结构的陶瓷吸音材料，抗压强度为5.8MPa‑7.5MPa，孔隙率为72％‑90％，降噪系数NRC为0.55‑0.85；本发明所提供的方法制备得到的直通梯度孔结构的陶瓷吸音材料具有梯度分布的直通孔结构，与现有技术相比，具有更好的吸音效果，并且本材料在具有高孔隙率的同时还具备极好的力学性能，另外，制备本直通梯度孔结构的陶瓷吸音材料的原料价廉易得，生产工艺简单，能够应用于批量化大规模生产，具有易于推广的优势。
On one hand, the invention provides a preparation method of a ceramic sound-absorbing material with a straight-through gradient pore structure, which comprises the following steps of: dipping ceramic slurry on a plurality of organic templates with porous structures, applying carbon powder particles on the surfaces of the organic templates, laminating the plurality of organic templates, drying, discharging glue, sintering and post-processing, thereby obtaining the ceramic sound-absorbing material with the straight-through gradient pore structure; on the other hand, the invention provides the ceramic sound-absorbing material with the straight-through gradient pore structure prepared by the method, the compressive strength is 5.8 MPa-7. 5MPa, the porosity is 72%-90%, and the noise reduction coefficient NRC is 0.55-0.85; the ceramic sound-absorbing material with the straight-through gradient hole structure prepared by the method provided by the invention has a gradient-distributed straight-through hole structure, and compared with the prior art, the ceramic sound-absorbing material has a better sound-absorbing effect, also has excellent mechanical properties while having high porosity, and in addition, the raw materials for preparing the ceramic sound-absorbing material with the straight-through gradient hole structure are cheap and easy to obtain, the production process is simple, and the ceramic sound-absorbing material can be applied to batch and large-scale production and has the advantage of being easy to popularize.
本发明一方面提供了一种直通梯度孔结构的陶瓷吸音材料的制备方法，将陶瓷浆料浸渍于若干具有多孔结构的有机模板上，在有机模板的表面施布碳粉颗粒后，将若干所述有机模板叠层，经干燥、排胶、烧结以及后处理得到；本发明另一方面提供了由上述方法制备的直通梯度孔结构的陶瓷吸音材料，抗压强度为5.8MPa‑7.5MPa，孔隙率为72％‑90％，降噪系数NRC为0.55‑0.85；本发明所提供的方法制备得到的直通梯度孔结构的陶瓷吸音材料具有梯度分布的直通孔结构，与现有技术相比，具有更好的吸音效果，并且本材料在具有高孔隙率的同时还具备极好的力学性能，另外，制备本直通梯度孔结构的陶瓷吸音材料的原料价廉易得，生产工艺简单，能够应用于批量化大规模生产，具有易于推广的优势。
Ceramic sound-absorbing material with straight-through gradient hole structure and preparation method of ceramic sound-absorbing material
一种直通梯度孔结构的陶瓷吸音材料及其制备方法
XIONG WEI (author)
2021-07-20
Patent
Electronic Resource
Chinese
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