Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Energy-absorbing spongy composite metal and application structure thereof
The invention provides energy-absorbing spongy composite metal. The energy-absorbing spongy composite metal comprises a first spongy metal layer and a second spongy metal layer, and an inorganic aerogel heat insulation felt is filled between the first spongy metal layer and the second spongy metal layer; the first spongy metal layer and the second spongy metal layer are mutually fastened and connected; the porosity of the first spongy metal layer ranges from 70% to 85%, the aperture ranges from 0.7 mm to 1.2 mm, and the thickness ranges from 10 mm to 15 mm; the porosity of the second spongy metal layer ranges from 90% to 95%, the aperture ranges from 0.1 mm to 0.5 mm, and the thickness ranges from 6 mm to 10 mm; and the thickness of the inorganic aerogel heat insulation felt is 5-10 mm, and the heat conductivity coefficient is smaller than or equal to 0.03 W/(m.K). The special energy-absorbing spongy composite metal is formed by using the two spongy metal layers with special porosity and pore diameter and filling the inorganic aerogel heat insulation felt with specific thickness and heat conductivity coefficient, the sound absorption rate of the composite metal is larger than 80%, and meanwhile, the composite metal has excellent anti-knock performance; and by adopting the technical scheme of the energy-absorbing spongy composite metal, the spongy metal layer has the advantage of light dead weight.
一种吸能海绵状复合金属包括第一海绵状金属层和第二海绵状金属层，所述第一海绵状金属层与第二海绵状金属层之间填充无机气凝胶隔热毡；所述第一海绵状金属层与第二海绵状金属层相互紧固连接；所述第一海绵状金属层的孔隙率70%至85%，孔径0.7至1.2mm，厚度为10至15mm；所述第二海绵状金属层孔隙率90%至95%，孔径为0.1至0.5mm，厚度为6至10mm；所述无机气凝胶隔热毡的厚度为5至10mm，导热系数≤0.03W/(m·K)。本发明使用特殊孔隙率和孔径的两层海绵状金属层以及填充特定厚度及导热系数的无机气凝胶隔热毡，形成了一种特殊的吸能海绵状复合金属，该复合金属吸音率大于80%的同时具有优良的抗爆性能；利用本发明所述技术方案形成的海绵状金属层具有自重小的特点。
Energy-absorbing spongy composite metal and application structure thereof
The invention provides energy-absorbing spongy composite metal. The energy-absorbing spongy composite metal comprises a first spongy metal layer and a second spongy metal layer, and an inorganic aerogel heat insulation felt is filled between the first spongy metal layer and the second spongy metal layer; the first spongy metal layer and the second spongy metal layer are mutually fastened and connected; the porosity of the first spongy metal layer ranges from 70% to 85%, the aperture ranges from 0.7 mm to 1.2 mm, and the thickness ranges from 10 mm to 15 mm; the porosity of the second spongy metal layer ranges from 90% to 95%, the aperture ranges from 0.1 mm to 0.5 mm, and the thickness ranges from 6 mm to 10 mm; and the thickness of the inorganic aerogel heat insulation felt is 5-10 mm, and the heat conductivity coefficient is smaller than or equal to 0.03 W/(m.K). The special energy-absorbing spongy composite metal is formed by using the two spongy metal layers with special porosity and pore diameter and filling the inorganic aerogel heat insulation felt with specific thickness and heat conductivity coefficient, the sound absorption rate of the composite metal is larger than 80%, and meanwhile, the composite metal has excellent anti-knock performance; and by adopting the technical scheme of the energy-absorbing spongy composite metal, the spongy metal layer has the advantage of light dead weight.
一种吸能海绵状复合金属包括第一海绵状金属层和第二海绵状金属层，所述第一海绵状金属层与第二海绵状金属层之间填充无机气凝胶隔热毡；所述第一海绵状金属层与第二海绵状金属层相互紧固连接；所述第一海绵状金属层的孔隙率70%至85%，孔径0.7至1.2mm，厚度为10至15mm；所述第二海绵状金属层孔隙率90%至95%，孔径为0.1至0.5mm，厚度为6至10mm；所述无机气凝胶隔热毡的厚度为5至10mm，导热系数≤0.03W/(m·K)。本发明使用特殊孔隙率和孔径的两层海绵状金属层以及填充特定厚度及导热系数的无机气凝胶隔热毡，形成了一种特殊的吸能海绵状复合金属，该复合金属吸音率大于80%的同时具有优良的抗爆性能；利用本发明所述技术方案形成的海绵状金属层具有自重小的特点。
Energy-absorbing spongy composite metal and application structure thereof
吸能海绵状复合金属及其应用结构
LI YINGZHANG (Autor:in) / CAI YIBO (Autor:in) / LUO ZHENGQUAN (Autor:in) / LI HUAIZHU (Autor:in) / GOU KAILIANG (Autor:in) / WU XIN (Autor:in) / XIA LINCAN (Autor:in) / YANG YUNPENG (Autor:in) / LUO JINKE (Autor:in) / HE YIXUN (Autor:in)
14.12.2021
Patent
Elektronische Ressource
Chinesisch
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