An experimental setup for characterizing subcritical debonding of materials interface under mixed mode fatigue loading

Tz-Cheng Chiu; Wei Lu; Chi-An Hua

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An experimental setup for characterizing subcritical debonding of materials interface under mixed mode fatigue loading

机译：在混合模式疲劳载荷下表征材料界面亚临界剥离的实验装置

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摘要

A mixed mode bending experimental setup was developed for quantifying the subcritical debonding growth behavior for materials interfaces under a full spectrum of loading mode mixity. In the experimental system, the control program calculates and adjusts the cyclic bending forces to maintain a constant phase angle at the prescribed value. The relationship between the subcritical crack growth rate and the applied strain energy release rate range is obtained by post-processing the experimental results with analytical formulas. As a preliminary application example, a phase-angle dependent power-law model was constructed for the subcritical debonding growth rate of the Al-epoxy interface. It was observed that both the logarithm of the scaling constant and the power-law exponents of the subcritical debonding growth model exhibit linear relationships with the phase angle.

机译：开发了一种混合模式弯曲实验装置，用于量化在整个载荷模式混合度下材料界面的亚临界脱粘生长行为。在实验系统中，控制程序计算并调整循环弯曲力以将恒定的相位角保持在规定值。通过分析公式对实验结果进行后处理，可以得到亚临界裂纹扩展速率与应变能释放速率范围之间的关系。作为一个初步的应用示例，针对Al-环氧树脂界面的亚临界解键生长速率，构建了一个与相位角相关的幂律模型。观察到，缩放常数的对数和亚临界脱粘生长模型的幂律指数都与相位角呈线性关系。

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来源
《International Journal of Fatigue》 |2018年第9期|109-119|共11页
作者
Tz-Cheng Chiu; Wei Lu; Chi-An Hua;
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作者单位

Department of Mechanical Engineering, National Cheng Kung University;

Department of Mechanical Engineering, National Cheng Kung University;

Department of Mechanical Engineering, National Cheng Kung University;

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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
Delamination; Interconnect; Orthotropic; Phase angle; Strain energy release rate;

机译：脱层;互连;正交各向异性;相角;应变能释放率;

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专利

1. Effects of fatigue loading and PMMA precoating on the adhesion and subcritical debonding of prosthetic-PMMA interfaces. [J] . Ohashi KL, Dauskardt RH Journal of biomedical materials research. Part B, Applied biomaterials. . 2000,第2期

机译：疲劳载荷和PMMA预涂对修复体-PMMA界面粘合和亚临界剥离的影响。
2. Finite Element Modeling for Debonding of FRP-to-Concrete Interfaces Subjected to Mixed-Mode Loading [J] . Hui Yu, Yu-Lei Bai, Jian-Guo Dai, Polymers . 2017,第9期

机译：混合模式载荷下玻璃钢与混凝土界面剥离的有限元建模
3. Cohesive zone model of FRP-concrete interface debonding under mixed-mode loading [J] . Wang JL International Journal of Solids and Structures . 2007,第20期

机译：混合模式加载下FRP混凝土界面剥离的凝聚区模型
4. A Novel Experimental System for Characterizing Interface Delamination under Mixed-Mode Fatigue Loading [C] . Tz-Cheng Chiu, Wei Lu, Chi-An Hua, The 66th Electronic Components and Technology Conference . 2016

机译：表征混合模疲劳载荷下界面分层的新型实验系统
5. Experimental aspects and mechanical modeling paradigms for the prediction of degradation and failure in nanocomposite materials subjected to fatigue loading conditions. [D] . Averett, Rodney D. 2008

机译：用于预测纳米复合材料在疲劳载荷条件下的降解和失效的实验方面和力学建模范例。
6. Finite Element Modeling for Debonding of FRP-to-Concrete Interfaces Subjected to Mixed-Mode Loading [O] . Hui Yu, Yu-Lei Bai, Jian-Guo Dai, 2016

机译：混合模式载荷下玻璃钢与混凝土界面剥离的有限元建模
7. Finite Element Modeling for Debonding of FRP-to-Concrete Interfaces Subjected to Mixed-Mode Loading [O] . Hui Yu, Yu-Lei Bai, Jian-Guo Dai, 2017

机译：混合模式负荷脱纸脱离的有限元模型
8. Effect of Adherend Thickness and Mixed Mode Loading on Debond Growth in Adhesively Bonded Composite Joints. [R] . mangalgiri, p. d. johnson, w. s. 1986

机译：粘接厚度和混合加载对粘接复合节点脱粘生长的影响。

An experimental setup for characterizing subcritical debonding of materials interface under mixed mode fatigue loading

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