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首页> 外文期刊>Journal of Materials Science >Effects of rolling and hot pressing on mechanical properties of boron carbide-based ceramics
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Effects of rolling and hot pressing on mechanical properties of boron carbide-based ceramics

机译:轧制和热压对碳化硼基陶瓷力学性能的影响

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摘要

A study of hot pressed B4C-based laminates, after rolling and without rolling, has been performed to elucidate the existence of fracture resistance/crack length anisotropy induced by this processing technique. While the crack lengths/fracture resistance was affected significantly by the presence of the residual stresses in B4C/B4C–ZrB2 laminates, no differences in Vickers crack lengths were observed in B4C/B4C laminates prepared by rolling and hot pressing, as compared to the crack lengths seen in pure B4C ceramics prepared by hot pressing without rolling. X-ray diffraction analysis confirmed that no texture has been formed during the rolling and hot pressing of B4C ceramics.
机译:已经进行了对热压的B 4 C层压板进行轧制和不轧制的研究,以阐明这种加工技术引起的抗断裂性/裂纹长度各向异性的存在。 B 4 C / B 4 C–ZrB 2 层压板中残余应力的存在显着影响裂纹长度/抗断裂性,与纯B B 4 C / B 4 C压延和热压制备的层压板相比,维氏裂纹长度没有差异通过热压而不轧制制备的sub> 4 C陶瓷。 X射线衍射分析证实,在B 4 C陶瓷的压延和热压过程中没有形成纹理。

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