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Mechanical behaviors of Ti/CFRP/Ti laminates with different surface treatments of titanium sheets

机译：钛板不同表面处理的Ti / CFRP / Ti层压板的力学性能

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摘要

The Metal Composite Interface (MCI) properties affect not only the integrity of Fiber Metal Laminates (FMLs), but also the deformation/failure modes of FMLs. In this paper, the influence of MCI on the mechanical behaviors of Ti/CFRP/Ti laminates were experimentally investigated through indentation tests and low velocity impact tests. Three different surface treatments of titanium sheets were prepared to obtain the different MCI strength based on annealing, sandblasting, and anodizing. The treated surfaces of titanium sheets were analyzed using Field Emission Scanning Electron Microscope (FE-SEM) and Energy Dispersive X-ray Spectrom (EDX). The MCI strength was characterized by apparent shear strength between titanium sheet and epoxy, which was measured through single lap shear test. The deformation/ failure modes and energy absorption capacity of FMLs were analyzed. It was demonstrated that the MCI strength was greatly enhanced when the metal surfaces were sandblasted and anodized. The results showed that the improved MCI helped to maintain the integrity of FMLs under quasi-static and dynamic loadings. However, FMLs with higher MCI strength seemed to have weak resistance to damage and low energy absorption capacity. (C) 2016 Elsevier Ltd. All rights reserved.
机译：金属复合材料界面（MCI）特性不仅影响纤维金属层压板（FML）的完整性，还影响FML的变形/破坏模式。本文通过压痕试验和低速冲击试验研究了MCI对Ti / CFRP / Ti层压板力学性能的影响。基于退火，喷砂和阳极氧化，准备了三种不同的钛板表面处理以获得不同的MCI强度。使用场发射扫描电子显微镜（FE-SEM）和能量色散X射线光谱仪（EDX）分析钛板的处理表面。 MCI强度的特征在于钛板和环氧树脂之间的表观剪切强度，其通过单搭接剪切试验测量。分析了FML的变形/破坏模式和能量吸收能力。结果表明，对金属表面进行喷砂和阳极氧化处理后，MCI强度大大提高。结果表明，改进的MCI有助于在准静态和动态载荷下保持FML的完整性。但是，具有较高MCI强度的FML似乎抗破坏能力弱，能量吸收能力低。 （C）2016 Elsevier Ltd.保留所有权利。

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  • 来源
    《Composite Structures》 |2017年第3期|21-31|共11页
  • 作者

    Li Xin; Zhang Xin; Zhang He; Yang Jinglei; Nia Amin Bassiri; Chai Gin Boay;

  • 作者单位

    Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore|Taiyuan Univ Technol, Inst Appl Mech & Biomed Engn, Taiyuan 030024, Peoples R China;

    Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore;

    Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore;

    Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Kowloon, Hong Kong, Peoples R China;

    Univ Teknol Malaysia, Fac Mech Engn, Ctr Composite, Johor Baharu 81310, Malaysia;

    Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Fiber Metal Laminate (FML); Metal Composite Interface (MCI); Indentation; Low velocity impact;

    机译：纤维金属层压板（FML）;金属复合材料界面（MCI）;压痕;低速冲击;

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