频率和损耗因子是粘弹性材料复合夹层结构的两个重要的动力特性指标。
Frequency and loss factor are two important indices of dynamic property of composite structures, in which the viscoelastic material is sandwiched between the upper layer and the lower layer.
本文研究了夹层复合加筋板结构的振动声辐射特性。
The sound radiation of viscoelastic composite sandwich plates is researched in this paper.
分析了复合材料面层的弹性常数、泡沫芯层的模量和夹层结构的刚度；
The elastic modulus of foam core and composite skins and the stiffness of sandwich are analyzed.
工程中广泛使用的复合材料夹层结构受各种外力作用时，最常见的失效模式为屈曲。
The sandwich structure of composite material, which has been abroad used in the engineering, always are acted by various outside forces. The familiar invalid mode of them is buckling.
探索了全厚度缝合复合材料闭孔泡沫芯夹层结构低成本制造的工艺可行性及其潜在的结构效益。
This study explored the feasibility and potential benefits provided by the addition of through-thickness stitched composite closed-cell foam sandwich structures.
探索了AN/MAA共聚物泡沫塑料夹层结构复合材料的成型加工性和力学性能。
At last, we tested the processing and mechanical properties of AN/MAA copolymer foam sandwich core material.
试验表明，该系统可用于复合材料结构和蜂窝夹层结构的无损检测。
It is concluded that the system can be used in nondestructive detection of composite material and honeycomb structure.
飞机复合材料零件结构分为蜂窝结构、夹心结构、空心结构、夹层结构等。
Structures of aircraft composite parts include honeycomb, inner contained part, inner empty part, and layered etc.
利用热电偶测试热补仪修补复合材料蜂窝夹层结构的面内及厚度方向的温度分布；
The in-plane and through-thickness direction temperature distribution of composite honeycomb sandwich structure repaired by hot bonder was tested with thermocouples.
在传统泡沫夹层结构复合材料成型工艺基础上，探索了一种新型的夹层结构成型工艺。
Based on conventional manufacture methods a new manufacturing process of foam core sandwich structure composites is studied.
试验证明，该系统可成功用于复合材料结构和蜂窝夹层结构的无损检测。
Experiment proved that the system was successful for the nondestructive testing of composite and honeycomb interlayer structures.
采用Ansys软件对复合材料夹层结构翼形件进行了有限元模态分析和研究，给出了翼形件的前5阶固有频率和振型。
The finite element modal analysis and research on composite sandwich airfoil parts is performed by ANSYS software. The top 5 inherent frequencies and vibration modes have been presented.
注塑得到的PP/木粉发泡复合材料和GF/PP/木粉发泡复合材料均呈现三层式夹层结构：中间层分布着泡孔，以及两个结实无泡孔的外层。
Microfoamed PP/ wood flour composites and microfoamed GF/ PP/ wood flour composites have a three-layer structure, contained a middle layer with distributed cells and two compact outer layer.
本文对碳纤维复合材料蜂窝夹层结构侧压强度进行了理论计算，试验值在理论计算范围内。
Theoretical calculation of edge Compressio strength of CFRP Sanduich Construction with honey core is gotten in this paper. The test value is in the range of theoretical Caculation.
阐明了格构增强型复合材料夹层结构的受弯极限承载能力。
The flexural ultimate bearing capacity of LRS are studied which can be used as reference to engineering practice.
阐明了格构增强型复合材料夹层结构的受弯极限承载能力。
The flexural ultimate bearing capacity of LRS are studied which can be used as reference to engineering practice.
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