Harmonic Responses of Blades with Piezoelectric or Piezomagnetic Coatings-Reference-Cited by-同舟云学术

Harmonic Responses of Blades with Piezoelectric or Piezomagnetic Coatings

Published:2013-06 Issue: Volume:706-708 Page:1782-1785
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Wang Jiao¹,Li Ya Shu¹,Sha Yun Dong²,Han Qing Kai³

Affiliation:

1. Northeastern University

2. Shenyang Aerospace University

3. Dalian University of Technology

Abstract

A successful prediction that whether a compressor blade is able to overcome the resonance fatigue and fatigue life of forced vibration is based on its harmonic response analysis.Hard coatings with metal or ceramic substrate are effective to change the natural characteristics and vibration amplitude of a compressor blade so that to improve the anti-vibration fatigue capability. In this paper, modal analysis and harmonic response analysis based on the finite element method are achieved to investigate the contributions of the two different hard coatings on the natural characteristics and vibration amplitude of a compressor blade. The two kinds of hard coatings are modeled by both anisotropic materials and involving their piezoelectric or piezomagnetic effects. The blade is modeled as an isotropic one. The natural frequencies and vibration amplitude of blade with different coating thickness are numerically calculated and compared. Results show that the hard coatings with different thickness play an important role in the natural characteristics and harmonic response analysis of the blade.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.706-708.1782.pdf

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