Reduction in tensile and flexural strength of unidirectional glass fibre-epoxy with increasing specimen size

M.R. Wisnom; J.W. Atkinson

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Reduction in tensile and flexural strength of unidirectional glass fibre-epoxy with increasing specimen size

机译：随着样品尺寸的增加，单向玻璃纤维环氧树脂的拉伸和弯曲强度降低

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Size effects in tensile failure were investigated by means of tensile and four- point bending tests. Tapered tensile specimens with plies dropped off internally showed a reduction in strain at failure with increasing gauge length. Scaled bending tests also showed a reduction in strain with increasing specimen size. These two effects and the relationship between the tensile and flexural results could all be fitted satisfactorily with a Weibull strength model.

机译：通过拉伸和四点弯曲试验研究了拉伸破坏中的尺寸效应。内层脱落的锥形拉伸试样在断裂时应变随着应变片长度的增加而减小。比例弯曲试验还显示，随着试样尺寸的增加，应变减小。这两个效果以及拉伸结果和挠曲结果之间的关系都可以用Weibull强度模型令人满意地拟合。

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来源
《Composite Structures》 |1997年第4期|p.405-411|共7页
作者
M.R. Wisnom; J.W. Atkinson;
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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
中图分类工程材料学;
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2. Flexural and tensile strengths of unidirectional hybrid epoxy composites reinforced by S-2 glass and T700S carbon fibres [J] . Chensong Dong, Ian J. Davies Materials & design . 2014,第Feba期

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3. SIZE EFFECTS IN INTERLAMINAR TENSILE AND SHEAR STRENGTH OF UNIDIRECTIONAL GLASS FIBRE EPOXY [J] . Wisnom MR., Jones MI. Journal of Reinforced Plastics and Composites . 1996,第1期

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4. The Experimental Comparison of the Uniaxial and Biaxial Flexural Tensile Strengths According to the Size of Specimens [C] . J. KIM, Y. KWAK, G. ZI East Asia-Pacific Conference on Structural Engineering and Construction . 2013

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Reduction in tensile and flexural strength of unidirectional glass fibre-epoxy with increasing specimen size

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