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首页> 外文期刊>Intermetallics >Mechanical behavior and solid solution strengthening model for face-centered cubic single crystalline and polycrystalline high-entropy alloys
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Mechanical behavior and solid solution strengthening model for face-centered cubic single crystalline and polycrystalline high-entropy alloys

机译：面居立方单晶和多晶高熵合金的力学行为和固溶强强化模型

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摘要

In the present work, a solid solution strengthening effect in high-entropy alloys (HEAs) was studied by investigating mechanical characteristics of single crystalline CoCrFeMnNi HEA and a corresponding model was developed. (100) and (110) oriented single crystals of the CoCrFeMnNi alloy were grown and their single crystallinity was identified using X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), and electron backscatter diffraction (EBSD) analyses. The mechanical testing of the single crystalline CoCrFeMnNi alloy was performed and the critical resolved shear stress (CRSS) was obtained. A solid solution strengthening modeling based on the lattice friction stress and an intrinsic residual strain of HEAs was performed. The solid solution strengthening effect of HEAs was verified using the model proposed.
机译：在本作工作中，通过研究单晶COCRFEMNNI HEA的机械特性，研究了高熵合金（HEAS）中的固溶强化效果，并开发了相应的模型。 （100）和（110）成导COCRFEMNNI合金的单晶并使用X射线衍射（XRD），能量分散光谱（EDS），电子反向散射衍射（EBSD）分析来鉴定它们的单晶性。 进行单晶COCRFEMNNI合金的机械测试，获得临界分离的剪切应力（CRS）。 进行了基于晶格摩擦应力的固溶强化建模和塞满的固有残余菌株。 使用所提出的模型验证HEA的固溶强化效果。

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