EPR测量航空工业用陶瓷型芯
EPR measurements of ceramic cores used in the aircraft industry
摘要：
在这项工作中的电子顺磁共振（EPR）谱的Al 2 O3和ZrO 2粉末测量不同的晶粒尺寸（0.074，0.044毫米）以及莫来石（0.07和0.12毫米）。对陶瓷型芯进行了研究。测量在室温和140 ~ 380 K温度范围内进行。本工作的主要目的是研究EPR谱与粉末颗粒尺寸之间的可能关系，以及EPR谱的识别，鉴于EPR技术作为指纹识别方法的潜在应用。
英文摘要：
In this work the electron paramagnetic resonance (EPR) spectra of Al2O3 and ZrO2 powders were measured for different size of grains (0.074, 0.044 mm) as well as the mullites (0.07 and 0.12 mm). Also were investigated the ceramic cores. The measurements were performed at room temperature and in the temperature range from 140 up to 380 K. The main purpose of this work was to investigate the possible relationships between the EPR spectra and the size of powder grains as well as the identification of EPR spectra in view of the potential application of EPR technique as a fingerprinting method.
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