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用于降低接觸熱阻的復(fù)合黏結(jié)材料的制備優(yōu)化

發(fā)布時(shí)間:2019-05-07 15:54
【摘要】:基于提高吸附床的導(dǎo)熱性能,研制一種可涂于吸附床與吸附劑之間降低接觸熱阻的耐高溫耐腐蝕的高導(dǎo)熱復(fù)合黏結(jié)材料。通過穩(wěn)態(tài)試驗(yàn)研究導(dǎo)熱填料、稀釋劑與偶聯(lián)劑等因素對(duì)復(fù)合黏結(jié)材料熱導(dǎo)率的影響,采用正交試驗(yàn)方法優(yōu)化復(fù)合黏結(jié)材料的配制方案。研究結(jié)果表明:復(fù)合黏結(jié)材料的導(dǎo)熱性能隨著Al_2O_3導(dǎo)熱填料的質(zhì)量分?jǐn)?shù)的增加而提高,采用10μm Al_2O_3導(dǎo)熱填料粒子的導(dǎo)熱性能略高于采用35μm Al_2O_3導(dǎo)熱填料粒子的復(fù)合黏結(jié)材料,10μm Al_2O_3導(dǎo)熱填料粒子用質(zhì)量分?jǐn)?shù)8%的偶聯(lián)劑處理,復(fù)合黏結(jié)材料的熱導(dǎo)率最高。采用適當(dāng)配比的導(dǎo)熱填料、稀釋劑與偶聯(lián)劑能顯著提高復(fù)合黏結(jié)材料的熱導(dǎo)率。
[Abstract]:In order to improve the thermal conductivity of the adsorption bed, a high temperature and corrosion resistant composite bonding material with high temperature and corrosion resistance was developed, which can be coated between the adsorption bed and the adsorbent to reduce the contact thermal resistance. The effects of heat conduction filler, diluent and coupling agent on the thermal conductivity of composite bonding materials were studied by steady-state test. The orthogonal test method was used to optimize the preparation scheme of composite bonding materials. The results show that the thermal conductivity of the composite binder increases with the increase of the mass fraction of Al_2O_3 filler. The thermal conductivity of 10 渭 m Al_2O_3 filler particle is slightly higher than that of 35 渭 m Al_2O_3 thermal conductive filler particle, and the 10 渭 m Al_2O_3 heat conduction filler particle is treated with 8% coupling agent. The composite bonding material has the highest thermal conductivity. The thermal conductivity of the composite bonded material can be significantly improved by proper proportion of heat conduction filler, diluent and coupling agent.
【作者單位】: 山東大學(xué)蘇州研究院;山東大學(xué)能源與動(dòng)力工程學(xué)院;
【基金】:蘇州市科技發(fā)展計(jì)劃資助項(xiàng)目(ZXG201443) 國家自然科學(xué)基金資助項(xiàng)目(51476093) 山東省科技發(fā)展計(jì)劃資助項(xiàng)目(2013GGX10403)
【分類號(hào)】:O551.3;TB34

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相關(guān)碩士學(xué)位論文 前1條

1 劉旭;不同黏結(jié)材料與金屬全冠黏結(jié)界面的實(shí)驗(yàn)研究[D];大連醫(yī)科大學(xué);2012年

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