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科技导报
| 专题论文 2013, 31(7): 23-27
分层缺损对复合材料结构压缩强度的影响
全屏
叶金蕊1 , 李嘉1 , 刘卫平2 , 张博明1
作者信息
1. 北京航空航天大学材料科学与工程学院,北京 100191;2. 中国商用飞机有限责任公司上海飞机制造有限公司,上海 200436
通讯作者:
李嘉,硕士,研究方向为聚氨酯基复合材料、混杂纤维复合材料及复合材料相关性能,电子信箱:youxiancxf@gmail.com
Influence of the Delamitation Flaw on Compressive Strength of Composite Structure
Affiliations
出版时间: 2013-03-08
doi: 10.3981/j.issn.1000-7857.2013.07.002
文章导航
以碳纤维增强环氧树脂基复合材料结构为研究对象,设计了含有预埋分层缺陷复合材料层合板的典型试件及压缩试验装置,采用试验与数值模拟相结合的方法,研究了分层缺陷位置、大小对结构压缩强度的影响.研究结果表明,分层缺陷的位置会改变层合板的分层形式,且小尺寸分层缺陷对于层合板的压缩强度几乎无影响.此结论可为复合材料结构应用于飞机结构的设计和制造提供依据.
分层缺陷
/
缺陷设计
/
压缩强度
/
数值模拟
/
破坏模式
With a carbon fiber reinforced epoxy resin composite structure as an example, this paper studies the influence of the delamitation flaw on the compressive strength. The typical test pieces with preset delamitation flaws and the related test facilities were designed to test the compressive strength. The effects of the location and the size of the delamitation flaw are studied by numerical simulations combined with experiments. It is shown that the position of the delamitation flaw affects the delamitation form of the laminate and the small scale delamitation flaws do not affect the compressive strength. This conclusion is useful for the design and manufacture of the aircraft structures.
delamitation flaw
/
flaw design
/
compressive strength
/
numerical simulation
/
failure mode
叶金蕊;李嘉;刘卫平;张博明.
分层缺损对复合材料结构压缩强度的影响.
科技导报,
2013
, 31
(7)
: 23
-27
.
DOI: 10.3981/j.issn.1000-7857.2013.07.002
YE Jinrui;LI Jia;LIU Weiping;ZHANG Boming.
Influence of the Delamitation Flaw on Compressive Strength of Composite Structure[J].
Science & Technology Review ,
2013
, 31
(7)
: 23
-27
.
DOI: 10.3981/j.issn.1000-7857.2013.07.002
2013年第31卷第7期
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引用本文
BibTeX
文章信息
doi: 10.3981/j.issn.1000-7857.2013.07.002
接收时间:2012-11-21
首发时间:2013-03-08
出版时间:2013-03-08
收稿日期:2012-11-21
修回日期:2013-01-17
通讯作者:
李嘉,硕士,研究方向为聚氨酯基复合材料、混杂纤维复合材料及复合材料相关性能,电子信箱:youxiancxf@gmail.com
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2013.07.002
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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