Time-Temperature Dependent Fatigue Strength of CFRP

机译：CFRP随时间的疲劳强度

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We carried out the tensile test for epoxy resin impregnated carbon fiber strandrn(CF/Ep strand) and the flexural tests for longitudinal and transverse directions of unidirectionalrnCFRP laminates by fatigue loading as well as constant strain-rate (CSR) loading under variousrnloading-rates and temperatures. As results, all fatigue strengths as well as CSR strengths dependrnremarkably on loading-rate and temperature. The time-temperature superposition principle holdsrnfor all fatigue strengths as well as CSR strengths, which agrees well with that for the viscoelasticrnbehavior of corresponding matrix resin. The master curves for all fatigue strengths can be obtainedrnfrom these results. The dependence of these fatigue strengths upon temperature and loading-rate asrnwell as the number of cycles to failure can be characterized from these master curves.

机译：我们通过疲劳载荷以及在各种载荷率和载荷下的恒定应变率（CSR）载荷，对环氧树脂浸渍的碳纤维束（CF / Ep束）进行了拉伸试验，对单向rnCFRP层压板的纵向和横向进行了弯曲试验。温度。结果，所有疲劳强度以及CSR强度都明显取决于负载率和温度。时间-温度叠加原理对于所有疲劳强度和CSR强度均成立，这与相应基体树脂的粘弹性行为完全吻合。从这些结果可以得出所有疲劳强度的主曲线。这些疲劳强度对温度和负荷率的依赖性以及破坏循环的次数可以从这些主曲线来表征。

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来源
《Asian Pacific conference for fracture and strength'99 (APCFS'99)》|1999年|p.1-12|共12页
会议地点 Xian(CN);Xian(CN)
作者
Masayuki NAKADA; Yasushi MIYANO;
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作者单位

Materials System Research Laboratory, Kanazawa Institute of Technologyrn3-1 Yatsukaho, Matto, Ishikawa 924-0838, JapanrnTel: +81-76-274-9255, Fax: +81-76-274-9251rnE-mail: nakada@neptune.kanazawa-it.ac.jp;

Materials System Research Laboratory, Kanazawa Institute of Technologyrn3-1 Yatsukaho, Matto, Ishikawa 924-0838, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械制造用材料;
关键词
composites; carbon fiber reinforced plastics; fatigue; time-temperaturerndependent properties;

机译：复合材料;碳纤维增强塑料;疲劳;时温依赖性;

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1. Effects of water absorption on time-temperature dependent strength of unidirectional CFRP [J] . Yasushi Miyano, Director Masayuki Nakada JEC composites magazine . 2014,第88期

机译：吸水率对单向碳纤维增强塑料随时间变化的强度的影响
2. Formulation for Time-Temperature Dependent Strength of Unidirectional CFRP [J] . Yasushi Miyano, Tatsuya Hioki, Masayuki Nakada 复合材料シンポシウム讲演要旨集． . 2013,第38期

机译：单向CFRP随时间变化的强度公式
3. Statistical formulation for time-temperature dependent flexural strength of CFRP laminates [J] . Noda J, Nakada M, Miyano Y Journal of Reinforced Plastics and Composites . 2007,第18期

机译：CFRP层压板随时间变化的抗弯强度的统计公式
4. FORMULATION OF TIME-TEMPERATURE DEPENDENT LONG-TERM FATIGUE STRENGTH OF CFRP LAMINATES [C] . Junji Noda, Masayuki Nakada, Yasushi Miyano International Conference on Composite Materials . 2007

机译：CFRP层压板时间温度依赖性长期疲劳强度的制定
5. Fatigue life performance of RC beams strengthened with CFRP [D] . Hussak, Matthew 2015

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6. Fatigue Behavior of Concrete Beam with Prestressed Near-Surface Mounted CFRP Reinforcement According to the Strength and Developed Length [O] . Hee Beom Park, Jong-Sup Park, Jae-Yoon Kang, 2019

机译：根据强度和展开长度预应力近表面安装CFRP加固混凝土梁的疲劳行为
7. On the Evaluation of Fatigue Strength Characteristics of Adhesively Bonded CFRP Pipe/Steel Rod Joint under Rotating Bending Fatigue. [O] . Hideaki NAKAYAMA, Makoto IMANAKA, Katsuyoshi MORIKAWA, 1994

机译：旋转弯曲疲劳下粘结CFRP管/钢杆接头疲劳强度特性评价。
8. Design of Concrete Bridge Girders Strengthened with CFRP Laminates. Static Strength, Fatigue Behavior and Reliability;Final rept [R] . El-Tawil, S., Okeil, A. 2001

机译：CFRp层合板加固混凝土桥梁设计。静态强度，疲劳行为和可靠性;最终的结果

Time-Temperature Dependent Fatigue Strength of CFRP

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