Tài liệu Handbook of Micro and Nano Tribology P9 pptx

... other coin- cidence angles: θ = ±60°, ±120°, and 180° (inset). Israelachvil, J. N. et al.“Surface Forces and Microrheology of ” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: ... diameters (Snook and van Megan, 1979, 1980, 1981; van Megan and Snook, 1979, 1981; Kjellander and Marcelja, 1985a,b; Tarazona and Vincente, 1985; Hend- erson and Lozada-Cassou...

Ngày tải lên: 17/12/2013, 11:15

... deflection of a thin film: (10.17) FIGURE 10.30 Schematic of a cantilever microbeam deflected by nanoindenter loading mechanism for measure- ment of modulus of elasticity and yield strength of microbeam ... Micro/ Nanoscratch Technique 10.6 Nanoindentation and Microscratch Techniques for Adhesion Measurements, Residual Stresses, and Materials Characterization of Thin Films...

Ngày tải lên: 25/12/2013, 23:18

... description of issues and techniques in the physics of surfaces of interest in nanotribology. This field of research is exceedingly difficult with the effects of a wide variety of materials and phenomena ... understanding of tribology at the nanoscale. It is hoped that the demonstra- tions in this chapter and in this volume indicate that there is the possibility of gaini...

Ngày tải lên: 27/01/2014, 14:20

... Bhushan, B. “Microscratching/Microwear, Nanofabrication/Nanomachining ” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, ... overview of microscratching/microwear, nanofabrication/nanomachining, and nano/ picoindentation using AFM and related instrumentation. 7.2 Experimental Techniques 7.2.1 AFM for Microscratching/Microwear ... Techniques A...

Ngày tải lên: 27/01/2014, 14:20

... Role of Micro/ Nanotribology in Magnetic Storage Devices, MEMS, and Other Microcomponents References In this chapter, we first present the history of macrotribology and micro/ nanotribology and ... films. Micro- and nanotribological techniques are ideal for studying the friction and wear processes of micro- and nanostructures. Although micro/ nanotribological studies are...

Ngày tải lên: 23/01/2014, 04:20

... square pulse of width 12 between 310 and 356, a triangle of period 40 between 356 and 396, a triangle of period 20 between 400 and 420, a triangle of period 12 between 430 and 442, and, finally, ... the other hand, forces of the order of 10 to 9 N destroy some biological samples. 2.2 The Mechanics of Cantilevers 2.2.1. Compliance and Resonances of Lumped Mass Sys...

Ngày tải lên: 27/01/2014, 14:20

... “Atomic-Scale Simulation of Tribological and Related ” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999 © 1999 by CRC Press LLC a soft substrate. Retracting the tip ... substrates of various pore widths. The pore widths and liquid temperatures are 1.0 nm and 297 K in (a), 1.6 nm and 297 K in (b), 1.25 nm and 297 K in (c), 1.25 nm and...

Ngày tải lên: 27/01/2014, 14:20

... depth of the right and the left side of the chip must be within 0.1 µm. In a usual FIGURE 12.58 Cross feed shield. FIGURE 12.59 Lift-off process. © 1999 by CRC Press LLC dynamics of the head and ... of the head and medium, and the environment. A fundamental understanding of the tribology of the magnetic head–medium interface becomes crucial for the continuous growth...

Ngày tải lên: 27/01/2014, 14:20

... springs, and impacting microvibromotors. Recently, micromirrors that consist of multiple hinged plates which Updated, expanded, and revised version of article first published in Micro/ Nanotribology ... development of microdynamic systems . These systems are based upon the science, technology, and design of moving micromechanical devices, and are a subclass of...

Ngày tải lên: 27/01/2014, 14:20

... Boundary Lubrication • Nanocontacts • Quartz Microbalance Experiments in Tribology 6.4 Modeling of an SFFM Resolution in SFFM • Deformation of Tip and Sample • Modeling of SFM and SFFM: Energy ... their level of knowledge. A better understanding of friction and wear could save an enormous amount of energy and money, which would be positive for economy and ecology...

Ngày tải lên: 25/12/2013, 23:18