A portable NMR sensor for rapidly nondestructive measurement of the aging status of rubber material was presented. The NMR sensor consists of a magnet structure which is made up of eight cylindrical magnets and a figure’8’ RF coil. Rubber material samples with different aging status were measured, the result demonstrates that: this sensor can accurately measure the equivalent transverse relaxation time T2eff of the samples, and distinguish the aging degree of different samples based on their T2eff values.
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朱黎丽,张彬.用于橡胶检测的便携式单边核磁共振传感器研究[J].机床与液压,2018,46(12):151-155. . Research on a portable single-sided NMR sensor for the rubber material testing[J]. Machine Tool & Hydraulics,2018,46(12):151-155