固化湿度对复合材料层合板力学性能的影响与分析

材料导报

2019, Vol. 33

Issue (z1): 223-224

无机非金属及其复合材料

固化湿度对复合材料层合板力学性能的影响与分析

杨康^1,2, 赵为平¹, 赵立杰¹, 梁宇^1,2, 薛继佳^2,3, 梅莉^1,2

1 沈阳航空航天大学辽宁省通用航空重点实验室,沈阳 110136
2 辽宁通用航空研究院,沈阳 110136
3 辽宁锐翔通用飞机制造有限公司,沈阳 110136

Effect of Curing Humidity on Mechanical Properties of Composite Laminates

YANG Kang^1,2, ZHAO Weiping¹ , ZHAO Lijie¹, LIANG Yu^1,2, XUE Jijia^2,3, MEI Li^1,2

1 Liaoning Key Laboratory of General Aviation, Shenyang Aerospace University, Shenyang 110136
2 Liaoning General Aviation Academy, Shenyang 110136
3 Liaoning Rui-xiang General Aircraft Manufacturing Co., Ltd, Shenyang 110136

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摘要树脂基复合材料在固化过程中,环境湿度对基体和增强纤维固化成型的影响最直接的表现是复合材料件的强度。为了研究固化湿度(相对湿度)对复合材料层合板力学性能的影响规律,本工作以T300 3K 40B/1000(增强纤维)与LY 1564 SPT(基体树脂)为例,分别对固化环境湿度为30%和60%下固化成型的碳纤维复合材料层合板标准试样进行力学性能测试,并通过扫描电子显微镜对试样的断口区域进行检测扫描。检测及试验结果表明:在其他固化条件均一致的情况下,固化环境湿度为30%时的碳纤维复合材料层合板的拉伸、压缩强度值均高于固化环境湿度为60%时的碳纤维复合材料层合板;固化环境湿度为30%时的碳纤维复合材料层合板的层间结合效果较好;测试及分析结果可为技术人员进行相同材料的制备提供一定的参考依据。

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关键词: 固化湿度复合材料层合板力学性能

Abstract: In the curing process of resin matrix composites, the most direct effect of ambient humidity on the curing process of matrix and reinforced fibers is the strength of composite. In order to study the effect of curing humidity (relative humidity) on the mechanical properties of composite laminates, this paper takes T300 3K 40B/1000 (reinforcing fiber) and LY 1564 SPT (matrix resin) as examples to test the mechanical properties of standard samples of carbon fiber composite laminates cured at 30% and 60% ambient humidity respectively, and to test the mechanical properties of the samples by scanning electron microscopy. The fracture area was examined and scanned. The testing and test results show that the tensile and compressive strength of the carbon fiber composites laminates cured at 30% ambient humidity are higher than those of the CFRP laminates cured at 60% ambient humidity, and the interlaminar bonding effect of the carbon fiber composites laminates cured at 30% ambient humidity is better. It provides a reference for technicians to prepare the same materials.

Key words: curing humidity composite laminates mechanical property

出版日期: 2019-05-25 发布日期: 2019-07-05

ZTFLH:

O348

基金资助: 辽宁省教育厅科学研究项目(L201750/L201704)

作者简介: 杨康,沈阳航空航天大学实验师。以第一或者通讯作者在国内外学术期刊上发表论文10余篇,授权国家发明专利1项,实用新型专利3项。研究工作主要围绕复合材料力学分析和检测的应用研究,主持辽宁省教育厅项目、中国航发沈阳黎明航空发动机有限责任公司横向课题,参与项目包括国家自然科学基金项目、国防863子项目、辽宁省教育厅项目等。ykangok@163.com

引用本文:

杨康, 赵为平, 赵立杰, 梁宇, 薛继佳, 梅莉. 固化湿度对复合材料层合板力学性能的影响与分析[J]. 材料导报, 2019, 33(z1): 223-224.
YANG Kang, ZHAO Weiping , ZHAO Lijie, LIANG Yu, XUE Jijia, MEI Li. Effect of Curing Humidity on Mechanical Properties of Composite Laminates. Materials Reports, 2019, 33(z1): 223-224.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2019/V33/Iz1/223

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