Deformation induced electromagnetic response of soft and hard PZT under impact loading

被引：25

作者：

Kumar, Amit ^{[1
]}

Chauhan, Vishal S. ^{[1
]}

Sharma, Sumeet Kumar ^{[1
]}

Kumar, Rajeev ^{[1
]}

机构：

[1] Indian Inst Technol Mandi, Sch Engn, Mandi 175001, Himachal Prades, India

来源：

FERROELECTRICS | 2017年 / 510卷 / 01期

关键词：

Electromagnetic radiation (EMR); PZT; impact loading; ACTIVE VIBRATION CONTROL; QUASI-STATIC COMPRESSION; FATIGUE-CRACK GROWTH; FERROELECTRIC CERAMICS; PIEZOELECTRIC MATERIALS; PLASTIC-DEFORMATION; RADIATION EMISSION; ELECTRIC-FIELDS; FRACTURE; PROPAGATION;

D O I：

10.1080/00150193.2017.1328726

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electromagnetic radiation (EMR) from soft and hard PZT under the drop weight impact have been studied. Due to impact the PZT undergoes a deformation wave which causes oscillations of dipoles within the PZT which give rise to electromagnetic radiation. The peak EMR voltage and the average EMR energy release rate show a linearly increasing pattern with the height of impact suggesting that these parameters could be used for monitoring excessive deformation from the structures. EMR peak voltage and average EMR energy release rate obtained from the soft PZT SP-5A are 43.42% and 53.12% higher respectively from those obtained from the hard PZT SP-4 owing to the higher resistance offered by the hard PZT to the domain switching.

引用

页码：170 / 183

页数：14

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