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AR Monthly Archives: November 2012
Here are examples of materials we tested this month:
Mechanical:
• Nanoindentation hardness of gold films
• Nanoscratch of coated wire
• Nanoscratch of hard composite
• Microindentation yield strength of machined parts
• Microindentation mapping of welds
• Microscratch of TiCN coatings
3D Non-Contact Profilometry:
• Roughness of steel coupons
• Texture of machined cuts
• Flatness of glass parts
• Coplanarity of micro features
• Step Height of ceramic micro parts
• Topography measurement of laser texturing
• Thickness of transparent films
Tribology:
• Wear testing of TiCN coatings
• Wear testing of flooring samples
• Friction testing of EPC coatings with lubrication
Nanoindentation of Polymer at Elevated Temperature
In this application, the Nanovea Mechanical Tester, in Nanoindentation mode with a temperature heating plate ( up to 120°C ) is used to study the comparative Polymer Hardness, Polymer Young’s Modulus and Polymer Creep analysis properties between High Density Polyethylene (HDPE) and Low Density Polyethylene (LDPE). The temperature was measured directly on the surface of the polymer with a thermocouple.
Surface Roughness Statistical Analysis Using 3D Profilometry
In this application the Nanovea ST400 Profilometer is used to measure over 30 coupons with similar surface features with only slight differences. The surfaces were analyzed for parameters such as surface roughness, maximum height, maximum peak height and root mean square. A statistical analysis was then performed using histograms, tables, control charts, box plots and
scatter plots.
Surface Roughness Statistical Analysis Using 3D Profilometry
