Effects of Materials Parameters and Design Details on the Fatigue of Composite Materials for Wind Turbine Blades

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Description

This paper presents an analysis of the results of nine years of fatigue testing represented in the USDOE/Montana State University (DOE/MSU) Composite Materials Fatigue Database. The focus of the program has been to explore a broad range of glass-fiber-based materials parameters encompassing over 4500 data points for 130 materials systems. Significant trends and transitions in fatigue resistance are shown as the fiber content and fabric architecture are varied. The effects of structural details including ply drops, bonded stiffeners, and other geometries that produce local variations in fiber packing and geometry are also described. Fatigue tests on composite beam structures are ... continued below

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8 p.

Creation Information

Mandell, J.F.; Samborsky, D.D. & Sutherland, H.J. March 4, 1999.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

This paper presents an analysis of the results of nine years of fatigue testing represented in the USDOE/Montana State University (DOE/MSU) Composite Materials Fatigue Database. The focus of the program has been to explore a broad range of glass-fiber-based materials parameters encompassing over 4500 data points for 130 materials systems. Significant trends and transitions in fatigue resistance are shown as the fiber content and fabric architecture are varied. The effects of structural details including ply drops, bonded stiffeners, and other geometries that produce local variations in fiber packing and geometry are also described. Fatigue tests on composite beam structures are then discussed; these show generally good correlation with coupon fatigue data in the database. Goodman diagrams for fatigue design are presented, and their application to predicting the service lifetime of blades is described.

Physical Description

8 p.

Notes

OSTI as DE00004194

Medium: P; Size: 8 pages

Source

  • European Wind Energy Conference and Exhibition, Nice (FR), 03/01/1999--03/05/1999

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  • Report No.: SAND98-1997C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 4194
  • Archival Resource Key: ark:/67531/metadc681891

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  • March 4, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 11, 2017, 6:35 p.m.

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Mandell, J.F.; Samborsky, D.D. & Sutherland, H.J. Effects of Materials Parameters and Design Details on the Fatigue of Composite Materials for Wind Turbine Blades, article, March 4, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc681891/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.