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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
..., multiple consecutive events during contact are effectively resolved, and the nonstationary and nonlinear spectrum signature of slider contact response are characterized. 03 02 2010 25 04 2011 21 07 2011 21 07 2011 hard discs Hilbert transforms magnetic heads piezoelectric...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2011, 133(2): 021902.
Published Online: March 21, 2011
... of the lubricant to ripple as well as recover/relax needs important consideration from the perspective of having favorable slider dynamics. 06 06 2010 29 12 2010 21 03 2011 21 03 2011 hard discs mechanical contact nonlinear dynamical systems vibrations contact dynamics...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041402.
Published Online: October 1, 2010
... was validated using a plane strain finite element model and it was found that a cylindrical feature with a longer length results in a substantial alleviation of impact damage. 18 11 2009 30 07 2010 01 10 2010 01 10 2010 disc drives elasticity finite element analysis hard discs...
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. 19 07 2009 08 01 2010 24 03 2010 24 03 2010 compensation disc drives hard discs flying clearance thermomechanical actuation thermal flying height control (TFC) head-disk interface (HDI) pole tip protrusion...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021902.
Published Online: March 11, 2010
... in magnetic recording layer could lead to demagnetization, which has been reported in the literature. 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...
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
... hard discs inverse problems mesh generation 05 10 2006 01 06 2008 15 06 2009 System coordinate system Coarse level system matrix fill pattern Slider designs and coarse level meshes used for simulations Grid convergence for Slider 1 forward problem...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031901.
Published Online: May 27, 2009
... of the delubed zone at 1 min in Fig. 3 . 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 recording density of 1   Tb...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021903.
Published Online: March 5, 2009
... on the energy losses incurred by the system due to the impact, which can be captured fairly accurately by using the coefficient of restitution model presented in this work. 06 06 2008 16 12 2008 05 03 2009 elastoplasticity finite element analysis hard discs impact (mechanical) shock...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2009, 131(2): 021902.
Published Online: March 3, 2009
... the equilibrium position, the air bearing is simplified into a linear system described by a stiffness matrix [ k ] and a damping matrix [ c ] . 30 09 2007 31 08 2008 03 03 2009 disc drives elastic constants electromagnetic actuators friction hard discs magnetic...
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): 011901.
Published Online: November 26, 2008
... 16 08 2008 26 11 2008 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 In a load/unload (L/UL) hard disk drive (HDD...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 012001.
Published Online: November 26, 2008
... can be expected. However, such disk velocities are not applied in modern hard disk drives and were not considered in this study. 03 06 2007 11 07 2008 26 11 2008 computational fluid dynamics disc drives hard discs magnetic heads magnetic recording microchannel flow Monte...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041901.
Published Online: August 5, 2008
... at the MD. Consequently, the MD has the smallest FH lift to regenerate the air bearing to balance the force between the air bearing and suspension, and hence the highest TMA efficiency among the three locations. 01 10 2007 06 06 2008 05 08 2008 actuators disc drives hard discs...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2008, 130(2): 022001.
Published Online: March 3, 2008
.... However, the experiments also raise concerns regarding the field application of the technology. 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...
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. 02 04 2007 04 09 2007 26 12 2007 disc drives hard discs humidity machine bearings hard disk drive air bearing flying height pressure humidity temperature In today’s hard disk...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2008, 130(1): 011002.
Published Online: December 6, 2007
... for the vertical flow perpendicular to the disk surface adds clarity to the contamination mechanisms. The predictions compare well with contamination patterns observed in prototype disk drives. 04 05 2006 22 09 2007 06 12 2007 disc drives flow hard discs surface contamination fluid...
Journal Articles
Article Type: Technical Papers
J. Tribol. October 2007, 129(4): 712–719.
Published Online: June 11, 2007
... a greater flying height loss. 07 05 2006 11 06 2007 disc drives hard discs mechanical contact discrete track medium air bearing slider head-disk interface flying height Requirements for higher data transfer rates and higher storage densities on hard disk drives (HDDs...
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 Rapid increase in the areal density of hard drives has been driving the track width and bit size to a fraction of a micrometer and < 100 nm , respectively. However, such a sharp...