Characterization of the Microstructure after Composite Peening of Aluminum,Advanced Engineering Materials

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Characterization of the Microstructure after Composite Peening of Aluminum
Advanced Engineering Materials ( IF 3.4 ) Pub Date : 2020-08-21 , DOI: 10.1002/adem.202000575
Michael Seitz ₁ , Michael Dürrschnabel ₂ , Alexander Kauffmann ₁ , Chantal Kurpiers ₃ , Christian Greiner ₃ , Kay André Weidenmann ₄

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Composite peening is a novel process to introduce ceramic blasting particles into the surface of substrates. Depending on the process parameters, the penetration depth of the blasting particles can be several micrometers. In previous investigations by some of the authors, it has been found that the ceramic particles incorporated during composite peening are significantly smaller compared to 10 μm in size before peening. Herein, the microstructure after composite peening is highlighted. To investigate this microstructure, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) are performed. The subsequent X‐ray diffraction (XRD) analysis provides further evidence of a severely deformed, nanocrystalline ceramic layer consisting of fragmented blasting particles.

中文翻译：

铝复合喷丸后的组织特征

复合喷丸是一种将陶瓷喷砂颗粒引入基材表面的新颖工艺。取决于工艺参数，喷砂颗粒的渗透深度可以是几微米。在一些作者的先前研究中，已经发现，与喷丸前的10μm尺寸相比，复合喷丸过程中掺入的陶瓷颗粒要小得多。在此，突出了复合喷丸后的显微组织。为了研究这种微观结构，进行了扫描电子显微镜（SEM）和透射电子显微镜（TEM）。随后的X射线衍射（XRD）分析提供了由碎片状喷砂颗粒组成的严重变形的纳米晶陶瓷层的进一步证据。

更新日期：2020-08-21

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