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首页> 外文期刊>Materials Chemistry and Physics >Study of Knoop microhardness anisotropy on the (001) face of potassium bichromate single crystals
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Study of Knoop microhardness anisotropy on the (001) face of potassium bichromate single crystals

机译：重铬酸钾单晶（001）面努氏硬度各向异性的研究

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摘要

The Knoop microhardness anisotropy of triclinic potassium bichromate single crystals was investigated on the (001) cleaved face at two values of test load. The experimental results of the microhardness anisotropy were analysed for different slip systems using a model based on the effective resolved shear stress. The results revealed a distinct anisotropy consisting of maxima and minima of microhardness for the (100) and (110) indenter orientations. Additionally, a fair anisotropy associated with differences between maxima for indenter oriented in the [110] and [110] directions and minima for the [010] and [100] directions was observed. It was found that the computed effective resolved shear stress based on the {110}(110) slip system explains the experimental results of the hardness anisotropy on the (001) face of potassium bichromate single crystals.
机译：在（001）劈裂面上以两个试验载荷值研究了三斜晶重铬酸钾单晶的努氏显微硬度各向异性。使用基于有效解析切应力的模型分析了不同滑移系统的显微硬度各向异性的实验结果。结果表明，在（100）和（110）压头方向上，显微硬度由最大和最小显微硬度组成。另外，观察到与在[110]和[110]方向上取向的压头的最大值与在[010]和[100]方向上的最小值之间的差异相关的公平各向异性。发现基于{110}（110）滑移系统的有效解析剪切应力解释了重铬酸钾单晶（001）面上的硬度各向异性的实验结果。

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