1. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
(a) Sliding input acceleration and the horizontal force balance and (b) normal input acceleration and vertical force balance

2. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
Equivalent rough surface in contact with flat surface. Dotted line shows the original asperity profile where solid line shows the profile after compression. The compressed asperity has profile Z = f(r) [10].

3. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
(a) Forces (N) versus separation distance (nm) (forces: applied load = attraction load minus asperity reaction load) and (b) friction force (N) versus separation distance (nm)

4. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
Sliding threshold case: applied load (N) versus acceleration (m/s2). (a) Linear and (b) semilogarithmic (zoom in region 0–5 × 104). Even with a zero applied load the friction force is not zero. A finite value of acceleration is required to move the micropart.

5. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
Threshold acceleration for sliding and detachment as function of surface roughness for a (LWH) 100 × 100 × 10 μm3 steel micropart on a steel surface

6. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
(a) Variation of sliding threshold with the change of surface roughness for a series of surface hardness values and (b) variation of contact area with the change of surface roughness for H = 2 GPa

7. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
(a) Variation of applied load as function of separation distance with the change of material hardness and (b) elastic contact area as function of material hardness

8. Date of download: 12/29/2017
Copyright © ASME. All rights reserved.
From: On the Acceleration Limits for Sliding and Detachment Between Contacting Rough Surfaces for Micropart Manipulation in a Dry Environment
J. Micro Nano-Manuf. 2013;1(1): doi: /
Figure Legend:
Schematic of micromanipulation approach; hf is the length of stroke and WL is the wavelength (equal to the actuator spacing) [10]