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AR Monthly Archives: April 2014
Bio-Tribology of Endocardial Leads in Hanks’ Solution
In this study, we simulated and compared the nan friction and wear behaviors of endocardial pacing leads made of different materials, in Hanks Solution, using the Nanovea Mechanical and Tribometer, respectively.
Nano-Micro Bio-Tribology of Endocardial Leads in Hanks’ Solution
Step Height Measurement of Printed Electrodes
In this application the Nanovea ST400 Profilometer is used to measure printed electrodes on a flexible ceramic sheet. The area measured was large enough that it could be extrapolated to make assumptions about a much larger surface. Height and lateral dimensions will be measured to characterize the rectangular features on these samples.
Step Height Measurement of Printed Electrodes Using 3D Profilometry
Here are examples of materials we tested this month:
Mechanical:
• Nanoindentation puncture of film
• Nanoindentation compression of micro features
• Nanofriction in liquid of medical lead
• Microindentation hardness testing of rock
• Microscratch of dlc coatings
• Microscratch of commercial coating
3D Non-Contact Profilometry:
• Roughness of micro machined parts
• Texture of fabric
• Finish “Orange Peel” of coatings
• Topography of corroded steel
• Flatness of gold plated wafers
Tribology:
• Wear testing of dlc coatings
• Wear testing ptfe coatings
