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Keywords: hard discs
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Journal Articles
Article Type: Research Papers
J. Tribol. July 2011, 133(3): 031901.
Published Online: July 21, 2011
... 2010 25 04 2011 21 07 2011 21 07 2011 hard discs Hilbert transforms magnetic heads piezoelectric transducers transient response computer hard disk drive tribology nonstationary and nonlinear dynamic process Hilbert–Huang transform One of the major...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021902.
Published Online: March 21, 2011
... thermal actuation efficiency (fly-height loss per milliwatt, known from slider and heater design), is used to calculate and supply the appropriate heater power to achieve a desired head-disk clearance during operation. contact dynamics hard disk nonlinear slider hard discs mechanical...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041402.
Published Online: October 1, 2010
... ,” J. Mater. Res. 0884-2914 , 18 , pp. 2150 – 2162 . 10.1557/JMR.2003.0301 18 11 2009 30 07 2010 01 10 2010 01 10 2010 disc drives elasticity finite element analysis hard discs impact testing magnetic storage plasticity contact mechanics oblique impact...
Journal Articles
Article Type: Technical Briefs
J. Tribol. April 2010, 132(2): 024502.
Published Online: March 24, 2010
... values of each head needs to be applied. compensation disc drives hard discs flying clearance thermomechanical actuation thermal flying height control (TFC) head-disk interface (HDI) pole tip protrusion It is essential to reduce the flying clearance (or head-media spacing) down...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021902.
Published Online: March 11, 2010
... ( 19 ), pp. 4514 – 4528 . 10.1021/la950890+ 07 03 2009 02 12 2009 11 03 2010 11 03 2010 atomic force microscopy deformation demagnetisation finite element analysis friction hard discs magnetic multilayers magnetic storage magnetic thin film devices...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2010, 132(1): 011901.
Published Online: December 10, 2009
... not directly cause a bouncing vibration in the absence of disk microwaviness or roughness. 03 09 2008 01 10 2009 10 12 2009 10 12 2009 adhesion disc drives discs (structures) elasticity friction hard discs slip springs (mechanical) surface roughness vibrations...
Journal Articles
Article Type: Technical Briefs
J. Tribol. October 2009, 131(4): 044502.
Published Online: September 22, 2009
... 22 09 2009 finite difference methods hard discs lubrication mechanical contact surface texture pseudo-nine-point finite difference pressure saw-tooth gas lubrication The surface texture, such as artificial microgrooves or microdimples fabricated on the contact surfaces...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031902.
Published Online: June 15, 2009
.... The formulation is implemented, and convergence studies are carried out for the method. Mesh refinements based on flux jumps and pressure gradients are found to work better than those based on other criteria. 05 10 2006 01 06 2008 15 06 2009 disc drives hard discs inverse problems mesh...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031901.
Published Online: May 27, 2009
... ) Schematic showing sudden expansion of air under the airbearing 16 10 2006 14 04 2009 27 05 2009 disc drives hard discs lubricants tribology hard disk tribology reliability head-disk interface ABS design lubricant In order to achieve the target areal...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021903.
Published Online: March 5, 2009
... 03 2009 elastoplasticity finite element analysis hard discs impact (mechanical) shock wave effects magnetic storage tribology oblique impact shock elastic-plastic impact coefficient of restitution Significant emphasis has been placed on the development of reliable head...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021902.
Published Online: March 3, 2009
... 31 08 2008 03 03 2009 disc drives elastic constants electromagnetic actuators friction hard discs magnetic heads mechanical contact suspensions (mechanical components) hard disk drive head-disk interface head-arm assembly actuator arm suspension transverse displacement...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011904.
Published Online: December 3, 2008
... drives hard discs indentation magnetic force microscopy mechanical stability perpendicular magnetic recording transmission electron microscopy PMR (perpendicular magnetic recording) HDD magnetostriction scratch head-disk interface (HDI) The mechanical performance of hard disk...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 012001.
Published Online: November 26, 2008
... computational fluid dynamics disc drives hard discs magnetic heads magnetic recording microchannel flow Monte Carlo methods rarefied fluid dynamics Magnetic recording has become the main technology for the storage of digital data. With the introduction of hard disk drives in consumer products...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011901.
Published Online: November 26, 2008
... – 260 . disc drives finite element analysis hard discs lubrication mechanical contact load/unload hard disk drive air slider multiple flying height states numerical continuation method dynamic analysis Tanaka et al. ( 1 ) found that a negative pressure slider can have two...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041901.
Published Online: August 5, 2008
..., several ABS designs are evaluated by comparing their TMA efficiencies. 01 10 2007 06 06 2008 05 08 2008 actuators disc drives hard discs mechanical contact pressure transducers thermomechanical actuation efficiency air bearing pressure force ABS design...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 022001.
Published Online: March 3, 2008
... . 29 08 2007 07 12 2007 03 03 2008 atomic force microscopy disc drives hard discs intermolecular forces thermal actuation adhesion head-disk interface (HDI) head-media spacing (HMS) pole tip protrusion In order to meet the demands of higher capacity hard disk...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011008.
Published Online: December 26, 2007
.... The calculated flying heights agree with those measured in commercial hard disk drives. disc drives hard discs humidity machine bearings 02 04 2007 04 09 2007 26 12 2007 The same data are plotted with respect to water vapor pressure in Fig. 8b . For a given water vapor pressure...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011002.
Published Online: December 6, 2007
... and the spinning disk. fluid bearing air bearing contamination hard disk drive particle flow disc drives flow hard discs surface contamination 04 05 2006 22 09 2007 06 12 2007 Koka , R. , 1989 , “ Effects of Fine Particles on the Slider/Disk Interface in Rigid...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 712–719.
Published Online: June 11, 2007
... are different because their interface parameters (DTM parameters and flying attitude) are different. Higher pressure is due to smaller spacing. 07 05 2006 11 06 2007 disc drives hard discs mechanical contact discrete track medium air bearing slider head-disk interface flying...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 729–734.
Published Online: April 20, 2007
... friction hard discs magnetic heads mechanical contact magnetic recording particles data erasure In order to study how L/UL speed could impact the probability of soft particle-induced failure, heads were loaded on the disks that were doped with 400 soft particles at load speeds...