Modelling of the Mechanical Behavior of a 2.5D C/C Composite under Tensile and Shear Loads at Room Temperature

机译：室温拉伸和剪切载荷下2.5D C / C复合材料力学行为的建模

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A macroscopic model of the non-linear stress-strain behavior and the ultimate failure of a 2.5D Carbon/Carbon composite is proposed. It is based upon continuum damage mechanics concepts and it was guided by extensive microscope observations of the damage mechanisms under load at room temperature. The model involves three scalar damage parameters including a shear parameter resulting from a combination of the tensile ones. Only three uniaxial tensile tests are required for parameters identification. Then, a fair agreement was obtained between the calculated and the measured stress-strain curves for various loading conditions. The ultimate failure was predicted using damage accumulation criteria.

机译：提出了2.5D碳/碳复合材料非线性应力-应变行为和极限破坏的宏观模型。它基于连续损伤机理的概念，并通过在室温下对载荷作用下的损伤机理进行广泛的显微镜观察来指导。该模型涉及三个标量损伤参数，包括拉伸参数组合产生的剪切参数。参数识别仅需要三个单轴拉伸试验。然后，在各种载荷条件下，计算得出的应力-应变曲线与测得的应力-应变曲线之间取得了合理的一致。使用破坏累积标准预测最终破坏。

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来源
《High temperature ceramic matrix compositei III》|1998年|155-158|共4页
会议地点 Osaka(JP);Osaka(JP);Osaka(JP);Osaka(JP)
作者
O. Siron; J. Lamon;
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作者单位

National Inst. of Material and Chemical Research, 1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan;

Laboratoire des Composites Thermostructuraux, 3, Allee de La Boetie, F-33600 Pessac, France;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 TQ174.58;
关键词
2.5D C/C composite; matrix cracking; continuum damage mechanics; constitutive model; failure criterion;

机译：2.5D C / C复合材料;基质开裂连续损伤力学；本构模型破坏准则;

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专利

1. Modelling of the Mechanical Behavior of a 2.5D C/C Composite under Tensile and Shear Loads at Room Temperature [J] . O. Siron, J. Lamon Key Engineering Materials . 1999,第期

机译：室温拉伸和剪切载荷下2.5D C / C复合材料力学行为的建模
2. Tensile behaviors of layer-to-layer 2.5D angle-interlock woven composites with/without a center hole at various temperatures [J] . Jian Song, Weidong Wen, Haitao Cui, Scientific reports. . 2020,第1期

机译：层到层2.5D角度互锁编织复合材料的拉伸行为，其各种温度下的中心孔
3. 2D micromechanical analysis of SiC/Al metal matrix composites under tensile, shear and combined tensile/shear loads [J] . Hai Qing Materials & design . 2013,第octa期

机译：拉伸，剪切和组合拉伸/剪切载荷下SiC / Al金属基复合材料的二维微力学分析
4. Modelling of the mechanical behavior of a 2.5D C/C composite under tensile and shear loads at room temperature [C] . O. Siron, J. Lamon International conference on high temperature cermic matrix composites . 1999

机译：在室温下拉伸和剪切载荷下的2.5d C / C复合材料的力学性能建模
5. Tensile and uniaxial/multiaxial fatigue behavior of ceramic matrix composites at ambient and elevated temperatures. [D] . Liao, Kin. 1994

机译：陶瓷基复合材料在环境和高温下的拉伸和单轴/多轴疲劳行为。
6. Micromechanical Modeling of Damage Evolution and Mechanical Behaviors of CF/Al Composites under Transverse and Longitudinal Tensile Loadings [O] . Zhenjun Wang, Siyuan Yang, Zehui Du, 2019

机译：横向/纵向拉伸载荷下CF / Al复合材料损伤演化和力学行为的微力学建模
7. Tensile behaviors of layer-to-layer 2.5D angle-interlock woven composites with/without a center hole at various temperatures [O] . Jian Song, Weidong Wen, Haitao Cui, 2020

机译：层到层2.5D角度互锁编织复合材料的拉伸行为，其各种温度下的中心孔
8. Experimental Investigation of Mechanical Behavior of an Oxide/Oxide Ceramic Composite in Interlaminar Shear and under Combined Tension-Torsion Loading. [R] . S. R. Hilburn 2014

机译：氧化物/氧化物陶瓷复合材料在层间剪切和组合拉伸 - 扭转载荷下的力学行为实验研究。

Modelling of the Mechanical Behavior of a 2.5D C/C Composite under Tensile and Shear Loads at Room Temperature

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