珠光体球墨铸铁(Pearlite heat-resisting steel)基体组织中珠光体占80%以上的球墨铸铁（简称球铁）。中国国家标准中QT600-2，QT700—2，QT800-2三种牌号球铁属于这一类型。这类球铁通常采用正火处理获得，也可用加入合金元素并配合工艺措施获得。主要用于制造要求强度较高，具有一定疲劳强度和耐磨性能的零件，如柴油机曲轴、连杆等。
利用损伤力学原理，研究了珠光体球墨铸铁在疲劳和拉伸载荷作用下的损伤演变规律。
According to principle of damage mechanics, the evolutional law of damage in pearlite ductile cast iron has been studied under fatigue and tension loading.
根据损伤力学原理，用双臂电桥测量电阻的方法，研究了珠光体球墨铸铁的疲劳损伤演变规律。
According to the principle of damage mechanics, the evolutional law of fatigue damage of pearlite ductile cast iron was studied with double arms electrical bridge for measuring electrical resistivity.
介绍了电磁法快速检测球墨铸铁珠光体含量的基本原理、检测方法及传感器技术。
This paper introduces the basic principle of fast evaluating the pearlite content in nodular cast iron by electro-magnetic effect, the testing method and the transducer technology.
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