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Subsurface transformations in ground Inconel 718—obtain complementary quantitative surface integrity information through grazing-angle XRD
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DOI：10.1016/j.cirp.2026.03.007.png)
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Abstract
En 中文
While conventional electron microscopy effectively characterizes machining-induced surface damage, it lacks the sensitivity to detect quantitative subsurface phase evolution, leaving a critical diagnostic gap. To address this, the present study utilizes grazing-angle X-ray diffraction (GA-XRD) to provide complementary information to SEM based results. Key findings include: i) GA-XRD can create quantitative phase profiles by correlating incident angle to depth, and ii) the identification of distinct diffraction signatures can resolve diagnostic ambiguities of samples undergone different thermal load. These results demonstrate that integrating GA-XRD with microscopy is essential for a comprehensive, depth-resolved understanding of surface integrity.
Keywords:
Nickel alloy
Surface integrity
Phase transformation
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