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AR Monthly Archives: March 2013
MRS SPRING VISIT NANOVEA IN SAN FRANCISCO
SPRING MRS | April 1-5 San Francisco, CA
Starting with just four symposia in 1984, the MRS Spring Meeting and Exhibit has grown to over 50 symposia and over 5,000 attendees. Held annually in San Francisco’s Moscone West convention hall and the San Francisco Marriott Marquis, MRS Spring Meetings are essential events for discovering and presenting the very latest developments in materials research. www.mrs.org
3 Point Bend Test Using Microindentation
In this application, the Nanovea Mechanical Tester, in Microindentation mode, is used to measure the flexural strength (using 3 Point Bend) of various sized rod samples (pasta) to show a range of data. 2 different diameters were chosen to demonstrate both elastic and brittle characteristics. Using a flat tip indenter to apply a point load, we determine stiffness (Young’s Modulus) and identify the critical loads at which the sample will fracture.
Morphology Measurement of Heated Polymer
In this application the Nanovea ST400 Profilometer is used for morphology measurement of polymer before and after being subjected to heat deformation. The deformation could be characterized in several ways; here we will show the change in surface area, relative volume increase and decrease and flatness as defined by ISO 12781
Here are examples of materials we tested this month:
Mechanical:
• Nanoindentation of micropads
• Nanoindentation of various polymer coatings
• Nanoscratch of microwire
• Nanoscratch of paint coatings
• Microindentation fracture of micro ceramic parts
• Microscratch of thermal coatings
3D Non-Contact Profilometry:
• Finish of machined parts
• Texture of molded surfaces
• Roughness of nitinol wire
• Roughness of spray coatings
• CoPlanarity of microfluidic trays
• Dimension of micropatterns
Tribology:
• Wear testing of enriched teflon
• Wear testing of nylon composite
