1. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Schematic of a typical friction coefficient showing static and kinetic friction Figure Legend:

2. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Typical specimens and surface roughness profile (500μm×500μm) measured using a 3D contact profilometer Figure Legend:

3. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Model of interfacial forces at contacting interfaces for two different roughness cases (Table ), Δγ=0.5N∕m Figure Legend:

4. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Model of the static friction coefficient using the KE elastic-plastic model Figure Legend:

5. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Schematic diagram for the static fiction measurement test apparatus Figure Legend:

6. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Typical repeatability in friction coefficient measurements Figure Legend:

7. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Friction coefficient measurements under different sliding velocities, smooth interface I Figure Legend:

8. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Friction coefficient measurements under different surface conditions at 100μm∕s Figure Legend:

9. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Static Friction Experiments and Verification of an Improved Elastic-Plastic Model Including Roughness Effects J. Tribol. 2007;129(4):754-760. doi:10.1115/1.2768074 Comparison of the static friction coefficient between theoretical (KE model) and experimental results under different sliding velocities Figure Legend: