| 1. | Small craft - hull construction and scantlings - part 2 : materials : core materials for sandwich construction , embedded materials 小艇.船体结构和尺寸.第2部分:材料:夹芯结构用芯材料,嵌入材料 |
| 2. | The csicdc ( combined structure icdc ) mainly consists of steel framework and glass fiber reinforced plastic ( grp ) - foam sandwich structure 该混杂结构司机室主要由钢骨架和玻璃钢泡沫夹芯结构组成。 |
| 3. | The thicknesses of the panel and core materials of the foam sandwich structure were optimized and the core material was optimized as well 并对玻璃钢泡沫夹芯结构进行面板、芯材厚度以及芯材的选材进行优化设计。 |
| 4. | The repaired honeycomb structures are calculated , and the influence of glue ' s parameters is discussed by the finite element model and program stated above , the technique of its repair is studied 建立了蜂窝夹芯结构的脱胶修补计算模型,分析了胶膜参数对剩余强度的影响,初步研究了其修补技术; 4 |
| 5. | The results show that the impact and flexural strengthes of this materials reach a maximum when the content of blowing foam is 10 % and the inner structure can improve the impact strength obviously 结果表明,当发泡剂质量分数约为聚醚的10 %时,所形成的梯度密度聚氨酯泡沫塑料的冲击强度和弯曲强度达到最大值;采用夹芯结构可以有效改善材料的抗冲击性能。 |
| 6. | The highlights in this paper are as follows : ( 1 ) designed a feasible structure for the icdc , and primarily designed a rational constituent of the steel framework and foam sandwich structure according to the characteristic of the manufacture process 全文主要工作如下: ( 1 )设计复合材料司机室合理结构形式。结合工艺特点,对钢骨架和泡沫夹芯结构组成进行初步设计。 |
| 7. | According to characteristic of finate element method and the frp honeycomb sandwich composite materials , the equivalent model and destroy rule of the frp honeycomb sandwich composite materials " structure was brought forward from the point of engineering 本文根据有限元法和玻璃钢蜂窝夹芯结构的特点,从工程角度出发,提出了玻璃钢夹芯结构的等效模型和破坏准则。 |
| 8. | The shallow buried structure of frp honeycomb sandwich was comprehensively analyzed and calculated by finite element method . the calculating formulation of shallow buried frp honeycomb sandwich structure was amended by constantino model that combined american army and former soviet experience formulary in this article 用constantino模型结合美军和前苏联的经验公式,修正了作用在浅埋地下的曲拱形玻璃钢蜂窝夹芯结构在化爆下的荷载计算公式。 |
| 9. | The fem method of debonded honeycomb structures is brought forward . a three - dimensional finite element model is constructed and the analysis program is complied to analyse the residual strength of debonded honeycomb structures and discuss the influence of debonded area 提出了蜂窝夹芯结构脱胶的有限元分析方法,建立含脱胶损伤的复合材料蜂窝夹芯结构的三维有限元模型,编写有限元程序计算损伤结构的剩余强度并讨论了脱胶区域等对结构剩余强度的影响; 2 |
| 10. | Honeycomb structure is one kind of special composite for structural usage , it is damageable , then the residual strength of damaged structure will sharp down , so it is very important for the study of the residual strength and the repair of damaged honeycomb structures 蜂窝夹芯结构是一种特殊的结构用复合材料,它是较容易出现损伤的构件,而含损伤的复合材料结构会大大降低其剩余强度,所以对含损伤的蜂窝夹芯结构的剩余强度及其修补技术的研究就显得十分重要了。 |