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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
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Title: Applications of nanoindentation-based mechanical spectroscopy in forest products research (abstract)

Source: In: 2011 TAPPI International conference on nanotechnology for renewable materials–Abstract book. 2011 June 6-8. Washington, DC. Norcross, GA: TAPPI. p. 52.

Author(s)Jakes, Joseph E.

Publication Year: 2011  View PDF »

Category: Conference Proceedings
Associated Research Project(s):   FPL-4707-3A

Abstract: Broadband nanoindentation creep (BNC) and broadband nanoindentation viscoelasticity (BNV) are recently developed techniques capable of assessing viscoplastic and viscoelastic properties over a wide range of time scales from small volumes of material (less than 1 ìm3). Using BNC and BNV, a nanofibrilated cellulose (NFC) film is characterized after being conditioned at 30% and 67% relative humidity (RH). Hardness and elastic modulus were found to be time- (or rate-) dependent properties that were also sensitive to RH. Hardness and elastic modulus decreased by 60% and 40%, respectively, when the RH was increased from 30% to 67%.

Keywords: broadband nanoindentation creep; broadband nanoindentation viscoelasticity; viscoplastic properties; viscoelastic properties

Publication Review Process: Non-Refereed (Other)

File size: 172 kb(s)

Date posted: 10/06/2011
RITS Product ID: 40590
Current FPL Scientist associated with this product
Jakes, Joseph
Research Materials Engineer
  

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