SITE SPECIFIC ELECTRO-MECHANICAL CHARACTERIZATION OF BOVINE KNEE ARTICULAR CARTILAGE

2012 ◽  
Vol 45 ◽  
pp. S162
Author(s):  
Reza Abedian ◽  
Mattias Reebmann ◽  
Christof Hurschler
Keyword(s):  
Articular Cartilage ◽  
Mechanical Characterization ◽  
Site Specific

Mechanical characterization of “blister” defects on optical oxide multilayers using nanoindentation

2012 ◽  
Vol 1454 ◽  
pp. 215-220 ◽  
Author(s):  
K. Mehrotra ◽  
H.P. Howard ◽  
S.D. Jacobs ◽  
J.C. Lambropoulos
Keyword(s):  
Mechanical Response ◽  
Mechanical Characterization ◽  
Site Specific ◽  
Acid Cleaning ◽  
Cleaning Procedures ◽  
Indentation Response ◽  
Multilayer Dielectric

ABSTRACTWe characterize “blisters”, defects observed in multilayer dielectric (MLD) coatings after exposure to acid cleaning procedures. Nanoindentation is used to make site-specific indentations across blisters to measure the mechanical response, especially their compliance under different conditions of loading. Two regions of statistically different mechanical response are identified within a blister defect and compared to the undisturbed regions of the MLD coating. The indentation response of blisters can vary across samples, and we suggest reasons for this variation.

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