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首页> 外文期刊>NDT & E international >Magnetic incremental permeability non-destructive evaluation of 12 Cr-Mo-W-V steel creep test samples with varied ageing levels and thermal treatments
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Magnetic incremental permeability non-destructive evaluation of 12 Cr-Mo-W-V steel creep test samples with varied ageing levels and thermal treatments

机译:磁性增量渗透率无损评估12个CR-MO-V型钢蠕变试样,具有变化的老化水平和热处理

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摘要

Techniques based on Magnetic Incremental Permeability (MIP) measurements help to elucidate the physical/mechanical properties, which are correlated with the magnetic properties of the material. In this work, the MIP method was applied for the evaluation of creep-induced microstructural changes in a high-chromium steel subjected to different creep test conditions, such as stress and temperature treatments. Precipitations in the creep samples and recrystallization were investigated via Scanning Electron Microscopy (SEM) and Electron Backscatter Diffraction (EBSD). The correlation between featured parameters in the MIP signature curve and the microstructural analysis of the creep samples was also investigated.
机译:基于磁性增量渗透率(MIP)测量的技术有助于阐明与材料的磁性相关的物理/机械性能。在这项工作中,施加MIP方法用于评估蠕变诱导的高铬钢中的微观结构变化,经受不同的蠕变试验条件,例如应力和温度处理。通过扫描电子显微镜(SEM)和电子背散射衍射(EBSD)来研究蠕变样品和重结晶中的沉淀。还研究了MIP签名曲线中特征参数与蠕变样本的微观结构分析之间的相关性。

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