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采用普通涂料加工方法制备一种偏高岭地聚物（IP）和苯丙乳液（OP）复合基料的红外反射隔热涂料，并对其反射和隔热性能进行表征分析。结果表明：m（IP）/m（OP）为0.3~1.0时，随地聚物含量增加，复合基料涂层的硬度和脆性同时增大；m（IP）/m（OP）>1.0时，基料室温储存的稳定性下降；以m（IP）/m（OP）=0.5的复合基料为基础制备红外反射隔热涂料，其反射率和隔热性能在随金红石型TiO2...
铝钢复合板结合性能研究
爆炸焊接 铝钢复合板 结合质量
2016/8/15
通过铝钢复合板试制和力学性能对比，实验研究了铝/钢复合板的结合性能。实验结果表明，镍作为铝/钢复合板过渡层时，剪切强度能达到195MPa,拉脱强度能达到236MPa,远远大于钛或铝作为过渡层时复合板的结合强度；同时表明镍作为铝/钢过渡层有效地改善了铝钢复合板的结合品质，进一步拓宽了铝钢复合板的使用范围。
嵌入式共固化网格阻尼结构复合材料的动力学性能研究
数值模拟 嵌入式共固化网格阻尼结构复合材料 模态损耗因子 模态频率
2016/7/25
建立嵌入式共固化网格阻尼结构复合材料的有限元数值模拟模型，提出了用改进的应变能法分析该网格结构的阻尼特性；通过对比所得模拟数据与实验结果，表明该模拟方法的有效性，再用验证了的模型和方法分别研究了不同几何参数对整体结构模态损耗因子和频率的影响，相关结论对嵌入式共固化网格阻尼结构复合材料的动力学性能理论预估具有重要指导意义。
无机聚合物混凝土高温性能研究综述
无机聚合物 混凝土 高温性能 力学性能
2016/7/25
分别从无机聚合物胶凝体高温性能，无机物聚合物混凝土高温劣化机理，高温静、动力学特征，耐火混凝土5个方面综述了目前国内外关于无机聚合物混凝土高温性能的研究进展，指出并探索无机聚合物混凝土高温性能需要进一步深入研究的问题和今后的发展方向。
为进一步提高聚合物复合材料热导率,采用多尺度数值预测法研究了微注塑聚酰胺/碳纤维(PA66/CFs)散热器内部CF的流动诱导取向及其对制品热导率的影响规律。首先,利用Moldflow获取CF取向张量,并以Comsol Multiphysics构建与之对应的复合材料微元胞。利用正交实验法研究熔体温度、模具温度、最大注射压力及注射流率对微散热器热导率的影响。然后,对预测数据进行分析获得最优注塑参数组合...
复合材料层合结构在制造和使用过程中经常暴露在湿热环境中，复合材料湿热行为准确分析已是复合材 料结构设计不可回避问题。然而，至今复合材料湿热分析理论模型仍存在如下问题：已有分析复合材料湿热问题 理论模型多忽略层间应力连续条件，不能准确计算层间应力；近期复合材料湿热研究甚至假设湿热膨胀系数不随 铺设角变化，此假设将产生误导。该文发展预先满足层间应力连续并考虑横法向应变的高阶整体-局部理论，构造 三角形...
制备研究了钴铁磁体/碳和镍钴铜铁磁体/碳复合纳米材料,测试并根据朗伯-比尔定律计算了在紫外/可见光(200~800 nm)和红外波段(2.5~25 μm)的质量消光系数,结果如下:铁磁体/碳复合材料焙烧后红外消光性能都有所提高,镍钴铜铁磁体/碳质量消光系数能达到0.36 m2·g-1,在3~16 μm波段大于0.15 m2·g-1。镍钴铜铁磁体/碳与乙炔黑混合比为5:1时,质量消光系数达到1.25...
A Gaussian distribution model of anisotropic magnetorheological elastomers
Gaussian distribution Anisotropic Magnetorheological elastomers
2015/3/30
A Gaussian distribution model was developed to examine the field-induced performance of anisotropic magnetorheological elastomers. The developed model was based on the assumption that the iron particl...
Effect of Rare Earth Hypophosphite Salts on the Fire Performance of Biobased Polylactide Composites
Rare earth phosphate hypophosphorous acid cerium lanthanum hypophosphite synthesis polylactic acid flame retardant performance
2015/3/27
In this work, two kinds of rare earth hypophosphites (REHP), lanthanum hypophosphite (LaHP) and cerium hypophosphite (CeHP), were synthesized and characterized. Subsequently, LaHP and CeHP were added ...
Surface Modification of Graphene with Layered Molybdenum Disulfide and Their Synergistic Reinforcement on Reducing Fire Hazards of Epoxy Resins
Molybdenum disulfide graphene hydrothermal method X-ray diffraction and laser Raman spectroscopy
2015/3/27
In this work, molybdenum disulfide (MoS2)−modified graphene (MoS2/GNS) hybrids were prepared by the hydrothermal method and characterized by X-ray diffraction (XRD), Laser Raman spectroscopy (LR...
Magneto-induced normal stress of magnetorheological plastomer
Magneto - induced normal stress of magnetorheological plastic body microstructure polyurethane magnetorheological plastics carbonyl iron powder
2015/3/24
An abrupt drop phenomenon of magneto-induced normal stress of magnetorheological plastomer is reported and a microstructure dependent slipping hypothesis is proposed to interpret this interesting beha...
Silicon Carbide-Strengthened Magnetorheological Elastomer: Preparation and Mechanical Property
Silicon carbide magnetorheological elastomers viscoelastic properties of SiC particles magnetorheological effect
2015/3/24
A novel silicon carbide (SiC)-strengthened magnetorheological elastomers (MREs) was developed to enhance its viscoelastic performance. The influences of the size and weight content of the SiC particle...
Study of the knife stab and puncture-resistant performance for shear thickening fluid enhanced fabric
Shear thickening fluid Kevlar fabric knife stab resistance puncture resistance liquid body armor
2015/3/24
This work developed a shear thickening fluid enhanced fabrics and the influence of the shear thickening fluid types on the knife stab and puncture resistance performance were investigated. The rheolog...
基于迟滞行为的2D-SiC/SiC复合材料组份力学性能分析
2D-SiC/SiC 复合材料 迟滞行为 剪滞理论 迟滞模型 组份性能
2018/12/27
基于剪滞理论, 建立了单向纤维增强陶瓷基复合材料的加卸载理论模型, 分析了基体长碎块和短碎块对材料迟滞力学行为的不同影响. 通过拉伸循环加卸载试验, 获得了2D-SiC/SiC 复合材料的迟滞应力—应变行为.依据材料基体损伤特点, 将试验结果代入长碎块对应理论推导结果, 计算得到了4 个表征材料组份性能的参数:基体开裂应力为90 MPa, 热残余应力为19 MPa, 界面脱粘能为3.1 Jm2, ...