Low-velocity impact response of hybrid sheet moulding compound composite laminates

被引：1

作者：

Pheysey, James ^{[1
,2
]}

Del Cuvillo, Ramon ^{[3
]}

Naya, Fernando ^{[3
]}

Pernas-Sanchez, Jesus ^{[3
]}

De Cola, Francesco ^{[2
]}

Martinez-Hergueta, Francisca ^{[1
]}

机构：

[1] Univ Edinburgh, Inst Infrastruct & Environm, Sch Engn, William Rankine Bldg, Edinburgh EH9 3FG, Scotland

[2] WAE Technol Ltd, Wantage OX12 0DQ, Oxon, England

[3] Univ Carlos III Madrid, Dept Continuum Mech & Struct Anal, Avda Univ 30, Leganes 28911, Madrid, Spain

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2025年 / 188卷

基金：

英国工程与自然科学研究理事会;

关键词：

Sheet moulding compounds; Glass fibre; Carbon fibre; Hybrid composites; Impact performance; STRAIN; SMC; PERFORMANCE;

D O I：

10.1016/j.compositesa.2024.108527

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work presents a comprehensive study on the impact damage tolerance of Sheet Moulding Compounds (SMCs). The performance of glass, carbon and hybrid glass/carbon SMCs are compared by means of tensile, compression, low-velocity impact and compression after impact experiments. Damage analysis of the impacted laminates was performed by ultrasonic and X-ray methodologies. The glass SMC exhibited the highest damage tolerance in low-velocity impact with the smallest damaged area, crack density and loss in compression after impact (CAI) strength. On the other hand, the carbon SMC demonstrated superior in-plane stiffness and strength, but exhibited a large damaged area and crack density under impact. The hybrid SMC displayed an optimal compromise, exhibiting intermediate tensile in-plane performance and excellent damage tolerance at lower impact energy levels, but suffered from extensive delamination at the highest impact energy. Overall, the findings highlight the suitability of hybrid SMCs for structural applications with potential impact risks.

引用

页数：12

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