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首页> 外文期刊>Journal of Materials Engineering and Performance >Study of Interfacial Stress Distribution in SiC Fiber Reinforced Titanium Matrix Composites on Transverse Tensile Tests
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Study of Interfacial Stress Distribution in SiC Fiber Reinforced Titanium Matrix Composites on Transverse Tensile Tests

机译：横向拉伸试验研究SiC纤维增强钛基复合材料的界面应力分布

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摘要

A combination of the transverse tensile test and the unilaterally coupled finite element method was used to evaluate the interfacial normal bond strength and stress distribution of titanium matrix composites (TMCs). In addition, in order to identify the interface shear failure mode of TMCs under transverse loading, both the push-out test and the finite element method have been developed to characterize the interfacial shear strength of TMCs, which is the interfacial shear failure criterion. This article studies the results of the experiments, which suggested that the interfacial normal bond and shear strength of SiC_f/Ti-6Al-4V were 300 and 350 MPa, respectively, and the interface failure mode of TMCs under the transverse tensile test was radial failure rather than shear failure. Moreover, the effect of residual stress on the radial stress is also discussed in detail in this article.
机译：结合横向拉伸试验和单侧耦合有限元方法评估了钛基复合材料（TMC）的界面法向粘结强度和应力分布。另外，为了识别横向载荷作用下TMC的界面剪切破坏模式，已经开发了推挤试验和有限元方法来表征TMC的界面剪切强度，这是界面剪切破坏的准则。本文对实验结果进行了研究，结果表明SiC_f / Ti-6Al-4V的界面法向键和剪切强度分别为300 MPa和350 MPa，横向拉伸试验下TMC的界面破坏模式为径向破坏。而不是剪切破坏。此外，本文还将详细讨论残余应力对径向应力的影响。

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