Evaluation Techniques for Determining Damping Mechanisms on Titanium Plates

Name: Evaluation Techniques for Determining Damping Mechanisms on Titanium Plates
Brand: Biblioscholar
SKU: 9781286862117
Price: 6798 HUF
Availability: InStock

Szerző: Kyle S Allen

Nyelv:

Kötés: Puha kötésű

Kiadó: Biblioscholar

Elérhetőség: Beszállítói készleten

Küldés 14-21 napon belül

6 798 Ft

High cycle fatigue (HCF) is the single largest cause of component failure for all modern military ga...

Információk a könyvről

Szerző

Kyle S Allen

Nyelv

Angol

Kötés

Könyv - Puha kötésű

Kiadva

2012

oldal

148

EAN

9781286862117

ISBN

9781286862117

Enbook ID

08218104

Kiadó

Biblioscholar

Súly

277

Méretek

189 x 246 x 8

Teljes leírás

High cycle fatigue (HCF) is the single largest cause of component failure for all modern military gas turbine engines. Hard coatings, such as magnesium aluminate spinel, have been found to provide significant damping properties. Past studies have had difficulties isolating the contributions of these hard coating damping layers from other damping mechanisms. This study explored techniques for assessing the contribution of different damping mechanisms on titanium plates during vibration testing. The study investigated 2nd bend and 2-stripe modes. Two different specimen sizes were tested in both a clamped-free-free-free and free-free-free-free condition. Specimens were tested at varying pressures. Increases in pressure caused linear peak modal frequency downshifts for both modes of interest for both specimen sizes, and for both boundary conditions. Increases in damping were also seen with increases in pressure for bare plates for the two-stripe mode for both boundary conditions. The clamped boundary condition contributions on the system damping were also investigated. Increases in the stiffness of the cantilevered clamp in the clamped-free-free-free condition were shown to have limited affect on plate damping.

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Evaluation Techniques for Determining Damping Mechanisms on Titanium Plates

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