Seah Siew Tuan*,Anand Asundi.Fiber Bragg Grating Strain Rosette[J].实验力学,2006,21(1):77~86 Fiber Bragg Grating Strain Rosette Fiber Bragg Grating Strain Rosette 投稿时间：2005-05-24   DOI： 中文关键词:   英文关键词:Fiber-Bragg Gratings  Bragg wavelength  Fiber-Bragg Grating Strain Sensor  strain transformation  Strain Rosette  Glass Fiber Composite Laminates 基金项目: 作者 单位 Seah Siew Tuan*  School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Aveune, Singapore, Singapore 639798  Anand Asundi  School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Aveune, Singapore, Singapore 639798  摘要点击次数: 626 全文下载次数: 670 中文摘要:        英文摘要:       In this paper a Fiber Bragg Grating (FBG) Strain Rosette is designed, developed and tested. Traditional FBGs measure strain in only one direction. However, in-plane strain at a point consists of two normal strains and one shear strain. Hence a FBG strain rosette needs to be designed. The sensing principle of FBGs as a strain and temperature sensor and fundamental principles of strain transformation and strain gage rosettes are discussed.FBG strain rosettes are fabricated and embedded in two materials namely, Silicon Gel RTV 146-9 and Glass Fiber Composite Laminates. Experiments were conducted on the FBG strain rosette structures that were embedded in Silicon Gel (RTV 146-9). Initial findings from the experiments as well as preferred embedding material are presented. 查看全文  下载PDF阅读器 关闭

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