Handbook of Micro and Nano Tribology P5

... Burnham, N.A. and Kulik, A.J. “Surface Forces and Adhesion” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999 ... chemical and mechanical properties of the surface and near-surface region of the tip and sample determine the adhesive behavior. A compliant tip–sample system of large curvature radius and large ... properties of the surface and near-surface region are important for small particles, as will be emphasized in Sections 5.3 and 5.4. The weight of a sphere of density ρ is 4 / 3 ρπ R 3 and its attraction...

Handbook of Micro and Nano Tribology P4

... “Characterization and Modeling of Surface...” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999 © 1999 by CRC Press LLC © 1999 by CRC Press LLC 4 Characterization and Modeling ... theories of friction and wear can be developed if the size and the spatial distributions of the contact spots are known. The size of contact spots ranges from nanometers to micrometers, making tribology ... It is also of no surprise that a single unifying theory of tribology has not yet been developed. In this chapter we will examine only one aspect of tribology and that is the effect of surface...

Handbook of Micro and Nano Tribology P8

... TABLE 8.1 Typical rms Roughness and Coefficients of Microscale and Macroscale Friction Values of Various Samples rms Roughness Coefficient of Coefficient of Sample (nm) a microscale friction b macroscale ... dense films of long-chain molecules. Bhushan et al. (1995b,c) conducted micro- and macroscale friction and wear studies on single-grafted and double-grafted octodecyl (C 18 ) and LB films and their ... presents an overview of lubrication studies of polar and nonpolar lubricants and Lang- muir–Blodgett and chemically grafted films, using atomic force/friction force microscopy. 8.2 Nanodeformation,...

Handbook of Micro and Nano Tribology P14

... Bhushan, B. Micro/ Nanotribology and Micro/ Nanomechanics of Magnetic...” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, ... and Adhesion Nanoscale Friction • Microscale Friction and Adhesion 14.5 Scratching and Wear Nanoscale Wear • Microscale Scratching • Microscale Wear 14.6 Indentation Picoscale Indentation • Nanoscale ... 1999 by CRC Press LLC 14 Micro/ Nanotribology and Micro/ Nanomechanics of Magnetic Storage Devices Bharat Bhushan 14.1 Introduction 14.2 Experimental Experimental Apparatus and Measurement Techniques...

Handbook of Micro and Nano Tribology P16

... Micro/ Nanotribology and Micro/ Nanomechanics of MEMS...” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999 © 1999 by CRC Press LLC 16 Micro/ Nanotribology and ... Results and Discussion Micro/ Nanotribological Studies of Virgin, Coated, and Treated Silicon Samples • Micro/ Nanotribological Studies of Doped and Undoped Polysilicon Films, SiC Films, and Their ... review of macro- and micro/ nanotribological studies of single-crystal silicon and polysilicon, oxidized and implanted silicon, doped and undoped polysilicon ﬁlms and SiC ﬁlms. A summary of limited...

Tài liệu Handbook of Micro and Nano Tribology P9 pptx

... al.“Surface Forces and Microrheology of ” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999© 1999 by CRC Press LLC © 1999 by CRC Press LLCLawn, B. R. and Wilshaw, ... diameters (Snook and van Megan, 1979, 1980, 1981; vanMegan and Snook, 1979, 1981; Kjellander and Marcelja, 1985a,b; Tarazona and Vincente, 1985; Hend-erson and Lozada-Cassou, 1986; Evans and Parry, ... Asperity Theory of Boundary Friction,”Wear 51, 181–192.Tabor, D. (1982), “The Role of Surface and Intermolecular Forces in Thin Film Lubrication,” in MicroscopicAspects of Adhesion and Lubrication,...

Tài liệu Colchero, J. et al. “Friction on an Atomic Scale”Handbook of Micro and Nano Tribology P6 Handbook of Micro/Nanotribology. Ed. Bharat ppt

... 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 foreconomy and ecology. On the other hand, friction ... this wire was bent and electrochemically etched to serve as a probing tip. With a typical length of 12 mm and diameters of 0.25 and 0.5 mm, they obtained force constants of 150 and 2500 N/m, respectively,...

Tài liệu Handbook of Micro and Nano Tribology P10 pptx

... 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 ... With permission.)h W bt E=−()()41323l νBhushan, B. “Nanomechanical Properties of Solid Surfaces and Thin Films” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press ... depends on the elastic and plastic properties of the material.10.3.7 Determination of Hardness and Modulus of Elasticity of Thin Films from the Composite Response of Film and SubstrateAs mentioned...

Tài liệu Handbook of Micro and Nano Tribology P1 ppt

... “Introduction - Measurement Techniques and Applications” Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999© 1999 by CRC Press LLC of a 2 × 2 single-mode directional ... and Quate, 1987) or in the spatial frequencydomain (Fourier space) (Cooley and Turkey, 1965).Processed data consists of many tens of thousand of points per plane (or data set). The output of ... (1992), Meyer (1992), Marti and Amrein (1993), and Guntherodt et al. (1995) and dedicated issues of Journal of Vacuum Science Technology(B9, 1991, pp. 401–1211) and Ultramicroscopy (Vols. 42–44,...

Tài liệu Handbook of Micro and Nano Tribology P2 ppt

... plate area A of 20 µm by 40 µm and a separation of 1 µm, one obtains a capacitance of 31 fF(neglecting stray capacitance and the capacitance of the connection leads) and a dC/dx of 3.1 × 10–8 ... TBQkdBπληω222204Pk TBQkB12ePBηMarti, O. Ò"AFM Instrumentation and Tips"Ó Handbook of Micro/ Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999© 1999 by CRC ... resonancefrequency and a spring constant of 0.1 N/m, we obtain an upper limit of the lumped effective mass meff of 0.25 mg. The quality factor of this resonance in air is typically between 10 and 100....

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