Tribology and mechanics of magnetic storage devices:
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | German |
| Published: |
New York [u.a.]
Springer
1996
|
| Edition: | 2. ed. |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Literaturangaben |
| Physical Description: | XX, 1125 S. Ill., graph. Darst. |
| ISBN: | 0387946276 |
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MARC
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| 003 | DE-604 | ||
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| 016 | 7 | |a 948654198 |2 DE-101 | |
| 020 | |a 0387946276 |c Pp. : DM 238.00 |9 0-387-94627-6 | ||
| 035 | |a (OCoLC)34077283 | ||
| 035 | |a (DE-599)BVBBV011002048 | ||
| 040 | |a DE-604 |b ger |e rakddb | ||
| 041 | 0 | |a ger | |
| 044 | |a gw |c DE | ||
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| 082 | 0 | |a 621.382/34 |2 20 | |
| 084 | |a ST 175 |0 (DE-625)143603: |2 rvk | ||
| 100 | 1 | |a Bhushan, Bharat |d 1949- |e Verfasser |0 (DE-588)122258762 |4 aut | |
| 245 | 1 | 0 | |a Tribology and mechanics of magnetic storage devices |c Bharat Bhushan |
| 250 | |a 2. ed. | ||
| 264 | 1 | |a New York [u.a.] |b Springer |c 1996 | |
| 300 | |a XX, 1125 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Literaturangaben | ||
| 650 | 7 | |a Disques magnétiques |2 ram | |
| 650 | 7 | |a Enregistrement magnétique - Propriétés mécaniques |2 ram | |
| 650 | 7 | |a Tribologie (technologie) |2 ram | |
| 650 | 4 | |a Magnetic disks | |
| 650 | 4 | |a Magnetic recorders and recording | |
| 650 | 4 | |a Magnetic tapes | |
| 650 | 4 | |a Tribology | |
| 650 | 0 | 7 | |a Tribologie |0 (DE-588)4060847-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Magnetspeicher |0 (DE-588)4168608-1 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Magnetspeicher |0 (DE-588)4168608-1 |D s |
| 689 | 0 | 1 | |a Tribologie |0 (DE-588)4060847-5 |D s |
| 689 | 0 | |5 DE-604 | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007365677&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-007365677 | |
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| _version_ | 1807683811337568256 |
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| adam_text |
CONTENTS
PREFACE
TO
THE
SECOND
EDITION
.
VII
PREFACE
TO
THE
FIRST
EDITION
.
IX
1.
INTRODUCTION
.
1
1.1
DEFINITION
AND
HISTORY
OF
TRIBOLOGY
.
1
1.1.1
DEFINITION
.
1
1.1.2
HISTORY
.
1
1.2
INDUSTRIAL
SIGNIFICANCE
OF
TRIBOLOGY
.
3
1.3
PHYSICS
OF
MAGNETIC
RECORDING
.
4
1.3.1
BASIC
PRINCIPLE
.
4
1.3.2
VERTICAL
RECORDING
.
7
1.3.3
METHODS
OF
ENCODING
BINARY
INFORMATION
.
9
1.3.4
DESIGN
CONSIDERATIONS
.
10
RECORDING
DENSITY
.
10
REPRODUCED
SIGNAL
AMPLITUDE
.
11
SIGNAL-TO-NOISE
RATIO
.
13
1.4
MAGNETIC
DATA-STORAGE
SYSTEMS
.
14
1.4.1
HISTORY
OF
MAGNETIC
RECORDING
.
14
STORAGE
HIERARCHY
.
17
1.4.2
EXAMPLES
OF
MODEM
DATA-STORAGE
SYSTEMS
.
18
TAPE
DRIVES
.
18
FLOPPY
DISK
(DISKETTE)
DRIVES
.
24
RIGID
DIS
DRIVES
.
24
1.4.3
HEAD
MATERIALS
.
33
PERMALLOYS
.
33
MU-METAL
AND
HY-MU
800B
.
35
SENDUST
ALLOYS
.
35
ALFENOL
ALLOYS
.
35
AMORPHOUS
MAGNETIC
ALLOYS
.
35
FERRITES
.
36
SOME
EXAMPLES
OF
HEAD
CONSTRUCTIONS
.
38
1.4.4
MEDIA
MATERIALS
.
40
FLEXIBLE
MEDIA
.
43
RIGID
DISKS
.
45
FUNCTIONAL
REQUIREMENTS
.
50
1.4.5
MANUFACTURING
PROCESSES
OF
MAGNETIC
MEDIA
.
51
PARTICULATE
TAPES
.
51
XII
CONTENTS
PARTICULATE
FLOPPY
DISKS
.
54
RIGID
DISKS
.
54
REFERENCES
.
59
2.
SOLID
SURFACE
CHARACTERIZATION
.
63
2.1
THE
NATURE
OF
SURFACES
.
63
2.2
STATISTICAL
ANALYSIS
OF
SURFACE
ROUGHNESS
.
64
2.2.1
AVERAGE
ROUGHNESS
PARAMETERS
.
67
2.2.2
PROBABILITY
DISTRIBUTION
AND
DENSITY
FUNCTIONS
.
70
2.2.3
SURFACE
HEIGHT
DISTRIBUTION
FUNCTION
.
73
2.2.4
TEXTURE
DESCRIPTORS
.
74
2.2.5
DISTRIBUTION
AND
STATISTICS
OF
THE
ASPERITIES
AND
VALLEYS
.
81
2.2.6
PRACTICAL
CONSIDERATIONS
IN
MEASUREMENT
OF
ROUGHNESS
PARAMETERS
.
85
LONG
AND
SHORT-WAVELENGTH
FILTERING
.
87
MEASURING
LENGTH
.
88
2.3
MEASUREMENT
OF
SURFACE
ROUGHNESS
.
89
2.3.1
MECHANICAL
STYLUS
METHOD
.
89
SURFACE
MAPPING
.
92
MEASUREMENT
OF
CIRCULAR
SURFACES
.
92
RELOCATION
.
93
REPLICATION
.
93
SOURCES
OF
ERRORS
.
93
2.3.2
OPTICAL
METHODS
.
94
TAPER-SECTIONING
METHOD
.
96
LIGHT-SECTIONING
METHOD
.
96
SPECULAR
REFLECTION
METHODS
.
96
DIFFUSE
REFLECTION
(SCATTERING)
METHODS
.
99
SPECKLE
PATTERN
.
104
OPTICAL
INTERFERENCE
METHODS
.
105
DIGITAL
OPTICAL
PROFILER
.
106
2.3.3
FLUID
METHODS
.
131
2.3.4
ELECTRICAL
METHODS
.
131
2.3.5
ELECTRON
MICROSCOPY
METHODS
.
132
REFLECTION
ELECTRON
MICROSCOPY
.
132
INTEGRATION
OF
BACKSCATTERED
SIGNAL
.
132
STEREOMICROSCOPY
.
132
2.3.6
SCANNING
TUNNELING
MICROSCOPY
.
133
2.3.7
ATOMIC
FORCE
MICROSCOPY
.
136
2.3.8
COMPARISON
OF
MEASUREMENT
METHODS
.
139
2.4
MEASUREMENT
OF
ISOLATED
ASPERITIES
.
139
2.4.1
OPTICAL
METHODS
.
139
2.4.2
GLIDE
TEST
METHODS
.
143
2.5
PHYSICO-CHEMICAL
CHARACTERISTICS
OF
SURFACE
LAYERS
.
145
2.5.1
DEFORMED
LAYER
.
145
2.5.2
BIELBY
LAYER
.
146
2.5.3
CHEMICALLY-REACTED
LAYER
.
146
2.5.4
PHYSISORBED
LAYER
.
147
2.5.5
CHEMISORBED
LAYER
.
148
2.5.6
SURFACE
TENSION,
SURFACE
ENERGY,
AND
WETTING
.
149
CONTENTS
XIII
2.5.7
METHODS
OF
SURFACE
CHARACTERIZATION
.
151
REFERENCES
.
152
3.
CONTACT
BETWEEN
SOLID
SURFACES
.
157
3.1
PHYSICAL
PROPERTIES
OF
POLYMERS
.
157
3.1.1
PHYSICAL
STATES
OF
POLYMERS
.
157
3.1.2
COMPLEX
MODULUS
AND
COMPLIANCE
.
157
3.1.3
CREEP
AND
RELAXATION
BEHAVIOR
.
159
3.1.4
TEMPERATURE
AND
FREQUENCY EFFECTS
.
160
3.2
APPARENT
AND
REAL
AREA
OF
CONTACT
.
161
3.3
ANALYSIS
OF
THE
REAL
AREA
OF
CONTACT
.
163
3.3.1
ELASTIC
CONTACT
.
164
3.3.2
LIMIT
OF
ELASTIC
DEFORMATION
.
168
3.3.3
OPTIMIZATION
OF
MECHANICAL
PROPERTIES
AND
SURFACE
ROUGHNESS
PARAMETERS
OF
MAGNETIC
MEDIA
.
175
3.3.4
CALCULATIONS
OF
THE
REAL
AREAS
OF
CONTACT
OF
TYPICAL
PARTICULATE
MAGNETIC
TAPES
.
177
EXPERIMENTAL
EVIDENCE
OF
ELASTIC
CONTACTS
IN
MAGNETIC
TAPES
.
181
CHANGES
IN
CONTACT
AREA
BECAUSE
OF
TAPE-SURFACE
WEAR
.
182
3.3.5
CALCULATIONS
OF
THE
REAL
AREA
OF
CONTACT
OF
TYPICAL
MAGNETIC
RIGID
DISKS
.
186
OPTIMIZATION
OF
RELATIVE
YOUNG
'
S
MODULI
OF
THIN-FILM
COMPOSITE
STRUCTURE
.
195
3.4
MEASUREMENT
OF
THE
REAL
AREA
OF
CONTACT
.
200
3.4.1
REVIEW
OF
MEASUREMENT
TECHNIQUES
.
200
ELECTRICAL-CONTACT
RESISTANCE
.
200
OPTICAL
TECHNIQUES
.
201
ULTRASONIC
TECHNIQUE
.
204
NEUTROGRAPHIC
TECHNIQUE
.
204
PAINTS
AND
RADIOACTIVE
TRACES
.
205
3.4.2
COMPARISON
OF
DIFFERENT
MEASUREMENT
TECHNIQUES
.
205
CALCULATION
FOR
OVERESTIMATION
OF
THE
CONTACT
AREA
BY
VARIOUS
OPTICAL
TECHNIQUES
.
205
FEASIBILITY
OF
PHASE-CONTRAST
MICROSCOPY
.
207
SELECTION
OF
OPTIMUM
MEASUREMENT
TECHNIQUE
.
207
3.4.3
MEASUREMENT
OF
TYPICAL
MAGNETIC
TAPES
.
210
TEST
APPARATUS
AND
PROCEDURE
.
210
RESULTS
AND
DISCUSSION
.
212
REFERENCES
.
228
4.
FRICTION
.
231
4.1
INTRODUCTION
.
231
4.2
NEED
FOR
CONTROLLED
FRICTION
.
234
4.3
FRICTION
THEORIES
.
235
4.3.1
THE
DEFORMATION
(HYSTERESIS)
FRICTION
.
237
4.3.2
THE
ADHESIONAL
FRICTION
.
239
REAL
AREA
OF
CONTACT
.
239
ADHESION
STRENGTH
OF
CONTACTS
.
241
EXPERIMENTAL
EVIDENCE
OF
TABOR
'S
CLASSICAL
THEORY
OF
ADHESION
.
246
XIV
CONTENTS
CHEMICAL
EFFECTS
IN
ADHESION
.
246
SURFACE
FREE
ENERGY
THEORY
OF
ADHESION
.
249
GRAIN
BOUNDARY
EFFECTS
ON
ADHESION
.
252
4.3.3
MACROSCOPIC
THEORY
OF
ADHESION
FOR
POLYMERS
IN
THE
RUBBERY
STATE
.
254
4.3.4
SOURCES
OF
STICTION
.
256
MENISCUS/VISCOUS
EFFECTS
.
256
MICROCAPILLARY-EVACUATION
EFFECT
.
264
CHANGES
IN
SURFACE
CHEMISTRY
.
265
4.3.5
SUMMARY
.
268
4.4
ROLE
OF
PHYSICAL
PROPERTIES
IN
MAGNETIC
TAPES
.
269
4.4.1
DESCRIPTION
OF
RECIPROCATING
FRICTION
TEST
APPARATUS
AND
TEST
PROCEDURE
.
269
DATA
ANALYSIS
.
.
270
4.4.2
DESCRIPTION
OF
PORTABLE
RECIPROCATING
FRICTION
TEST
APPARATUS
AND
TEST
PROCEDURE
.
273
4.4.3
EFFECT
OF
TEMPERATURE
.
274
TAPE-DRIVE
TESTS
.
278
4.4.4
EFFECT
OF
CURING
.
278
4.4.5
EFFECT
OF
PARTICLE
LOADING
.
281
4.4.6
EFFECT
OF
MAGNETIC-PARTICLE
DISTRIBUTION
.
283
4.4.7
EFFECT
OF
SURFACE
ROUGHNESS
.
285
4.4.8
EFFECT
OF
HUMIDITY
.
289
4.4.9
EFFECT
OF
SLIDING
VELOCITY
.
293
4.4.10
FRICTION
REDUCTION
BY
HIGH-FREQUENCY
OSCILLATIONS
.
294
4.4.11
SUMMARY
.
295
4.5
ROLE
OF
INTERLAYER
PRESSURE
IN
MAGNETIC TAPES
.
296
4.5.1
MEASUREMENT
OF
CREEP
COMPLIANCE
AND
ITS
RELATIONSHIP
TO
FRICTION
.
297
DESCRIPTION
OF
CREEP
APPARATUS
.
297
TEST
PROCEDURE
.
297
RESULTS
AND
DISCUSSIONS
.
299
RELATIONSHIP
BETWEEN
CREEP
COMPLIANCE
AND
FRICTION
.
301
4.5.2
FRICTION
OF
TAPES
WITH
AND
WITHOUT
ROUGH
BACKSIDE
.
303
4.5.3
EFFECT
OF
TAPE
RELAXATION
.
305
4.5.4
SUMMARY
.
306
4.6
ROLE
OF
CHEMICAL
PROPERTIES
IN
MAGNETIC
TAPES
.
306
4.6.1
POLYURETHANE
CHEMISTRY
.
307
4.6.2
THERMOMECHANICAL
PERFORMANCE
OF
COATINGS
.
311
4.6.3
CHEMICAL
CHANGES
OF
COATINGS
.
319
EXPERIMENTAL
PROCEDURE
.
320
RESULTS
AND
DISCUSSIONS
.
321
4.6.4
EFFECT
OF
BINDER
HYDROLYSIS
ON
THE
DRIVE
PERFORMANCE
.
329
MEASUREMENT
OF
STICTION
.
330
4.6.5
SUMMARY
.
333
4.7
ROLE
OF
PHYSICAL
AND
CHEMICAL
PROPERTIES
IN
RIGID
DISKS
.
334
4.7.1
DESCRIPTION
OF
VARIOUS
TECHNIQUES
TO
MEASURE
FRICTION/STICTION
IN
DISK
DRIVES
.
334
4.7.2
EFFECT
OF
DISK
AND
HEAD
SLIDER
MATERIAL
PROPERTIES
.
336
4.7.3
EFFECT
OF
SURFACE
ROUGHNESS
OF
DISK
AND
HEAD
SLIDER
.
339
CONTENTS
XV
4.7.4
EFFECT
OF
CONTACT
START-STOPS
.
340
4.7.5
EFFECT
OF
LIQUID
LUBRICANT
FILM
.
341
4.7.6
EFFECT
OF
ORGANIC
ADSORBANTS
.
348
4.7.7
EFFECT
OF
HUMIDITY
AND
TEMPERATURE
.
349
4.7.8
EFFECT
OF
REST
PERIOD
.
352
4.7.9
EFFECT
OF
HEAD
SLIDER
AREA
.
354
4.7.10
EFFECT
OF
HEAD
SLIDER
LOAD
.
355
4.7.11
EFFECT
OF
DRIVE
ACCELERATION/VELOCITY
.
355
4.7.12
METHODS
TO
REDUCE
FRICTION/STICTION
.
356
4.7.13
SUMMARY
.
357
REFERENCES
.
359
5.
INTERFACE
TEMPERATURE
OF
SLIDING
SURFACES
.
366
5.1
INTRODUCTION
.
366
5.2
THERMAL
ANALYSIS
.
367
5.2.1
SLIDING
OF
EQUALLY
ROUGH
SURFACES
(LOW
STRESS)
.
368
INDEPENDENT
(FLASH)
TEMPERATURE
RISE
(0
F
)
OF
AN
ASPERITY
CONTACT
.
368
STEADY-STATE
INTERACTION
TEMPERATURE
RISE
(0.)
.
376
PARTITION
OF
HEAT
.
379
AVERAGE
TRANSIENT
TEMPERATURE
OF
AN
INTERFACE
.
381
5.2.2
SLIDING
OF
A
ROUGH
SURFACE
ON
A
SMOOTH
SURFACE
(LOW
STRESS)
.
382
STEADY-STATE,
INDEPENDENT
(FLASH)
ASPERITY-CONTACT
TEMPERATURE
RISE
(0
F
)
.
382
STEADY-STATE
INTERACTION
TEMPERATURE
RISE
(0,)
.
383
PARTITION
OF
HEAT
.
383
AVERAGE
TRANSIENT
TEMPERATURE
OF
AN
INTERFACE
.
384
5.2.3
TRANSIENT
CONDITIONS
.
384
5.2.4
TEMPERATURE
VARIATION
PERPENDICULAR
TO
THE
SLIDING
SURFACE
.
385
5.2.5
SUMMARY
.
386
5.3
APPLICATION
OF
ANALYSIS
TO
PARTICULATE
MAGNETIC
MEDIA
.
387
5.3.1
MEASUREMENT
OF
THERMOPHYSICAL
PROPERTIES
OF
HEADS
AND
MEDIUM
MATERIALS
.
387
MAGNETIC-HEAD
MATERIALS
.
387
MAGNETIC
MEDIUM
MATERIALS
.
391
5.3.2
ANALYTICAL
PREDICTIONS
FOR
PARTICULATE
MAGNETIC
TAPES
.
393
ROUGH-ROPGH
SURFACE
CONDITION
.
394
ROUGH-SMOOTH
SURFACE
CONDITION
.
395
MAGNETIC
PARTICLE
(WITH
NO
COATING
OF
POLYMERIC
BINDER)
IN
CONTACT
WITH
THE
HEAD
SURFACE
.
395
TRANSIENT
CONDITIONS
.
396
TEMPERATURE
VARIATION
PERPENDICULAR
TO
THE
SLIDING
SURFACE
.
397
5.3.3
SUMMARY
.
397
5.4
TEMPERATURE
MEASUREMENT
OF
PARTICULATE
MAGNETIC
TAPES
.
397
5.4.1
TAPE
TRANSPORT
SYSTEM
.
398
5.4.2
INFRARED
MEASUREMENT
SYSTEM
.
399
OPERATING
EQUATIONS
FOR
THE
INFRARED
MICROSCOPE
.
399
SPOT
SIZE,
DETECTOR
RESPONSE
TIME,
AND
TEMPERATURE
ERROR
INTERVAL
OF
THE
INFRARED
MICROSCOPE
.
402
AGA
THERMOVISION
750
.
403
XVI
CONTENTS
5.4.3
DETERMINATION
OF
THE
TAPE
RADIATIVE
PROPERTIES
.
403
5.4.4
FRICTION
FORCE
MEASUREMENTS
.
404
5.4.5
TEMPERATURE
MEASUREMENTS
.
406
5.4.6
CORRELATION
OF
PREDICTED
AND
MEASURED
ASPERITY-CONTACT
TEMPERATURES
.
409
5.4.7
SUMMARY
.
409
REFERENCES
.
410
6.
WEAR
MECHANISMS
.
412
6.1
TYPES
OF
WEAR
MECHANICS
.
412
6.1.1
ADHESIVE
WEAR
.
412
6.1.2
ABRASIVE
WEAR
.
415
6.1.3
FATIGUE
WEAR
.
416
ROLLING
CONTACT
FATIGUE
.
.
416
ROLLING/SLIDING
CONTACT
FATIGUE
.
418
SLIDING
CONTACT
FATIGUE
.
419
STATIC
FATIGUE
.
419
6.1.4
IMPACT
WEAR
.
422
EROSION
.
422
PERCUSSION
.
424
6.1.5
CORROSIVE
WEAR
.
426
6.1.6
ELECTRICAL-ARC-INDUCED
WEAR
.
428
6.1.7
FRETTING
AND
FRETTING
CORROSION
.
429
6.2
HEAD
WEAR
.
430
6.2.1
HEAD
BODY
WEAR
.
430
WEAR
MECHANISMS
OF
TAPE
HEADS
.
430
RIGID
DISK
HEAD
SLIDERS
.
433
MAGNETICALLY
DEAD
LAYER
IN
FERRITES
.
437
FRICTION
POLYMERS
.
442
6.2.2
THIN-FILM
READ-WRITE
GAP
WEAR
.
444
6.2.3
EFFECT
OF
HEAD/TAPE
PROPERTIES
AND
OPERATING
PARAMETERS
ON
TAPE-HEAD
WEAR
.
445
HEAD
MATERIAL
HARDNESS
.
446
HEAD
MATERIAL
GRAIN
SIZE
.
448
MAGNETIC
PARTICLES
.
449
TAPE-SURFACE
ROUGHNESS
.
453
ISOLATED
ASPERITIES
ON
TAPE
SURFACE
.
454
MULTIPLE
PASSES
.
455
TAPE
TENSION
.
455
TAPE
STIFFNESS
.
455
SLIDING
SPEED
.
455
HUMIDITY
.
455
6.3
MEDIUM
WEAR
.
457
6.3.1
TAPE
WEAR
.
458
EFFECT
OF
NUMBER
OF
FILE
PASSES
.
461
EFFECT
OF
PVC
.
470
EFFECT
OF
ENVIRONMENT
.
471
SUMMARY
.
473
6.3.2
RIGID
DISK
WEAR
.
474
PARTICULATE
DISKS
.
474
THIN-FILM
DISKS
.
482
CONTENTS
XVII
6.4
HEAD-MEDIUM
WEAR
STUDIES
USING
AUTORADIOGRAPHIC
TECHNIQUES
.
513
6.4.1
HEAD-TAPE
INTERFACE
.
514
DETAILS
OF
THE
TAPE
DRIVE
AND
NEUTRON
ACTIVATION
OF
FERRITE
HEADS
.
514
PREPARATION
OF
RADIOACTIVE-FERRITE
STANDARDS
.
514
EXPOSURES
OF
TAPES
ON
X-RAY
FILMS
.
515
OPTICAL
DENSITOMETER
MEASUREMENTS
OF
X-RAY
FILMS
.
515
MEASUREMENT
OF
THE
AVERAGE
MASS
OF
RADIOACTIVE
MATERIAL
ON
TAPE
AND
DRIVE-COMPONENT
SURFACES
.
516
RESULTS
AND
DISCUSSIONS
.
516
6.4.2
HEAD-DISK
INTERFACE
.
524
6.5
HEAD-TAPE
WEAR
STUDIES
IN-SITU
SEM
.
527
6.5.1
DESCRIPTION
OF
MINIWEAR
TEST
APPARATUS
.
527
6.5.2
RESULTS
AND
DISCUSSIONS
.
529
6.5.3
SUMMARY
.
531
6.6
TAPE-PATH
COMPONENT
WEAR
.
531
6.6.1
DESCRIPTION
OF
ACCELERATED
FLANGE
WEAR
AND
FRICTION
TEST
APPARATUSES
.
532
6.6.2
WEAR
AND
FRICTION
DATA
USING
DIFFERENT
FLANGE MATERIALS
.
533
6.6.3
WEAR
DATA
USING
DIFFERENT
MAGNETIC
TAPES
.
535
6.6.4
CORRELATION
OF
ACCELERATED
WEAR
DATA
WITH
TAPE
DRIVE
.
540
REFERENCES
.
540
7.
MEASUREMENT
TECHNIQUES
OF
HEAD
AND
MEDIUM
WEAR
.
547
7.1
HEAD
AND
TAPE
WEAR
.
547
7.1.1
ACCELERATED
HEAD
WEAR
TEST
.
547
SCREENING
WEAR
RESISTANCE
OF
HEAD
MATERIALS
AND
ABRASIVITY
OF
TAPES
.
547
SCREENING
ABRASIVITY
OF
MAGNETIC
PARTICLES
.
558
SCREENING
HEAD
CONTOURS
.
560
7.1.2
TAPE
DURABILITY
TESTS
.
560
LOOP
TEST
.
561
LOOSE
DEBRIS
TEST
.
562
ADHERENT
DEBRIS
TEST
.
564
ABRASION
TEST
.
564
7.2
HEAD
SLIDER
AND
RIGID
DISK
WEAR
.
565
7.2.1
ACCELERATED
WEAR
TEST
.
566
ACCELERATED'DURABILITY
TEST
.
566
ACCELERATED
CSS
TEST
.
570
ACCELERATED
FLYABILITY
TEST
.
574
ACCELERATED
LUBRICANT
PERSISTENCE
STUDIES
.
576
WEAR
MEASUREMENT
TECHNIQUES
.
577
7.2.2
ACCELERATED
CORROSION
TEST
.
577
EC
TEST
.
578
ABE
TEST
.
580
REFERENCES
.
581
8.
LUBRICATION
MECHANISMS
AND
LUBRICANTS
.
585
8.1
REGIMES
OF
LUBRICATION
.
585
8.1.1
SOLID
LUBRICATION
.
585
8.1.2
FLUID
LUBRICATION
.
585
XVIII
CONTENTS
HYDROSTATIC
LUBRICATION
.
586
HYDRODYNAMIC
LUBRICATION
.
586
ELASTOHYDRODYNAMIC
LUBRICATION
.
588
MIXED
LUBRICATION
.
589
BOUNDARY
LUBRICATION
.
589
8.2
TYPES
OF
LUBRICANTS
.
598
8.2.1
SOLID
LUBRICANTS
.
598
SOFT
MATERIALS
.
598
HARD
MATERIALS
.
602
8.2.2
LIQUID
LUBRICANTS
.
606
PRINCIPAL
CLASSES
OF
LUBRICANTS
.
606
PHYSICAL
AND
CHEMICAL
PROPERTIES
OF
LUBRICANTS
.
612
8.3
METHODS
OF
LUBRICATION
IN
MAGNETIC
MEDIA
.
625
8.3.1
INTERNAL
VERSUS
TOPICAL
LUBRICATION
.
.
.
625
8.3.2
SOLID
VERSUS
LIQUID
LUBRICATION
.
626
8.4
HISTORY
OF
LUBRICANTS
FOR
MAGNETIC
MEDIA
.
627
8.4.1
TAPES
AND
FLOPPY
DISKS
.
627
8.4.2
RIGID
DISKS
.
629
PARTICULATE
DISKS
.
629
THIN-FILM
DISKS
.
630
8.5
MECHANISMS
OF
LUBRICATION
IN
MAGNETIC
MEDIA
.
636
8.5.1
TAPES
AND
FLOPPY
DISKS
.
638
LUBRICANT
KINETICS
.
638
LUBRICATION
BY
FATTY
ACID
ESTERS
.
640
EFFECT
OF
HUMIDITY
.
642
8.5.2
RIGID
DISKS
.
643
SHEAR
EFFECT
ON
LUBRICANT
PERFORMANCE
.
643
8.6
STABILITY
STUDIES
OF
MAGNETIC
TAPE
AND
FLOPPY
DISK
LUBRICANTS
.
648
8.6.1
EXPERIMENTAL
PROCEDURES
.
649
8.6.2
MATERIALS
EVALUATED
.
651
8.6.3
CATALYTIC
EFFECT
OF
MAGNETIC
OXIDES
.
652
OXIDATION
MODEL
.
653
IRON
OXIDE-LUBRICANT
INTERACTION
.
657
8.6.4
EFFECT
OF
CONTAMINANTS
ON
OXIDATION
STABILITY
.
658
8.6.5
EFFECT
OF
ADDITIVES
ON
OXIDATION
STABILITY
.
660
8.6.6
EFFECT
OF
VOLATILITY
ON
OXIDATION
STABILITY
.
662
8.6.7
SUMMARY
AND
OUTLOOK
.
662
8.7
VOLATILITY
STUDIES
OF
RIGID
DISK
LUBRICANTS
.
663
8.7.1
EXPERIMENTAL
PROCEDURE
.
664
8.7.2
VOLATILIZATION
MODEL
.
664
8.7.3
RESULTS
AND
DISCUSSION
.
666
REFERENCES
.
668
9.
ANALYSIS
AND
MEASUREMENT
OF
HYDRODYNAMIC
AIR
FILMS
.
675
9.1
LUBRICATION
ANALYSIS
.
675
9.1.1
HEAD-TAPE
INTERFACE
.
679
GOVERNING
EQUATIONS
.
680
FINITE
DIFFERENCE
SOLUTION
.
682
FINITE
ELEMENT
SOLUTION
.
686
CONTENTS
XIX
9.1.2
HEAD-FLOPPY
DISK
INTERFACE
.
689
SINGLE-SIDED
RECORDING
.
689
DUAL-SIDED
RECORDING
.
694
9.1.3
HEAD-RIGID
DISK
INTERFACE
.
694
GOVERNING
EQUATIONS
.
700
NUMERICAL
APPROACH
.
702
ANALYSIS
OF
TWO-RAIL
TAPER-FLAT-TYPE
SLIDER
.
705
ANALYSIS
OF
SHAPED-RAIL
SLIDER
.
718
ANALYSIS
OF
ZERO-LOAD
SLIDER
.
722
ANALYSIS
OF
TRANSVERSE
PRESSURIZED
CONTOUR
(TPC)
SLIDER
.
727
9.1.4
SURFACE
ROUGHNESS
EFFECTS
ON
HYDRODYNAMIC
LUBRICATION
.
732
LUBRICATION
EQUATIONS
FOR
ROUGH
SURFACES
.
733
SHEER-FILM
ANALYSIS
.
736
SQUEEZE
FILM
ANALYSIS
.
738
ANALYSIS
OF
HEAD-TAPE
INTERFACE
.
746
ANALYSIS
OF
HEAD-RIGID
DISK
INTERFACE
.
756
ROLE
OF
SURFACE
WEAR
.
764
9.2
MEASUREMENT
OF
AIR-FILM
THICKNESS
.
765
9.2.1
PRINCIPLES
OF
MEASUREMENT
TECHNIQUES
.
765
OPTICAL
INTERFERENCE
TECHNIQUE
.
765
CAPACITANCE
TECHNIQUE
.
769
LASER
DOPPLER
INTERFEROMETRY
.
770
9.2.2
MEASUREMENT
RESULTS
.
772
HEAD-TAPE
INTERFACE
.
772
HEAD-RIGID
DISK
INTERFACE
.
779
REFERENCES
.
792
10.
SURFACE
FINISHING
OF
CERAMIC
HEAD
MATERIALS
.
798
10.1
GRINDING
AND
LAPPING
PROCESSES
.
799
10.1.1
GRINDING
.
799
10.1.2
LAPPING
.
806
FREE
ABRASIVE
.
806
FIXED
ABRASIVE
.
807
10.2
RESIDUAL
STRESSES
.
810
10.2.1
MEASUREMENT
TECHNIQUES
.
812
10.2.2
RESULTS
.
814
10.2.3
DISCUSSION
.
818
10.3
SPECIFIC
ENERGY
.
819
10.3.1
GRINDING
.
820
10.3.2
LAPPING
.
823
10.4
INTERFACE
TEMPERATURES
.
825
10.4.1
GRINDING
.
825
ANALYSIS
.
827
EXPERIMENTAL
MEASUREMENTS
.
830
10.4.2
LAPPING
.
832
10.5
SURFACE
FINISH
AND
MORPHOLOGY
.
834
10.5.1
SURFACE
FINISH
.
834
10.5.2
MORPHOLOGY
.
834
GRINDING
.
834
LAPPING
.
836
XX
CONTENTS
CHIPS
.
838
DISCUSSION
.
840
10.6
ALTERNATE
METHODS
OF
FINISHING
FERRITES
.
844
10.6.1
CHEMO-MECHANICAL
LAPPING
.
845
10.6.2
POST
ANNEALING
.
847
NI-ZN
FERRITE
.
847
MN-ZN
FERRITE
.
852
10.6.3
LAPPING
WITH
SOFT
ABRASIVE
.
854
10.6.4
PRECISION
CRACK-OFF
TECHNIQUE
.
856
REFERENCES
.
861
11.
MICRO/NANOTRIBOLOGY
AND
MICRO/NANOMECHANICS
.
864
11.1
INTRODUCTION
.
864
11.2
ORIGINS
AND
SIGNIFICANCE
OF
MICRO/NANOTRIBOLOGY
.
V
.
864
11.3
EXPERIMENTAL
TECHNIQUES
.
867
11.3.1
AFM/FFM
.
868
11.3.2
TIP/CANTILEVER
BEAM
CONSTRUCTION
.
874
11.4
SURFACE
ROUGHNESS
.
876
11.5
FRICTION
AND
ADHESION
.
883
11.5.1
NANOSCALE
FRICTION
.
883
11.5.2
MICROSCALE
FRICTION
AND
ADHESION
.
883
HEAD-SLIDER
MATERIALS
.
884
MAGNETIC
MEDIA
.
886
SILICON
.
899
11.6
SCRATCHING
AND
WEAR
.
900
11.6.1
NANOSCALE
WEAR
.
900
11.6.2
MICROSCALE
SCRATCHING
.
900
11.6.3
MICROSCALE
WEAR
.
908
11.7
INDENTATION
.
912
11.7.1
PICOSCALE
INDENTATION
.
912
11.7.2
NANOSCALE
INDENTATION
.
914
11.8
DETECTION
OF
MATERIAL
TRANSFER
.
919
11.9
LUBRICATION
.
920
11.9.1
IMAGING
OF
LUBRICANT
MOLECULES
.
928
11.9.2
MEASUREMENT
OF
LOCALIZED
LUBRICANT
FILM
THICKNESS
.
929
11.9.3
NANODEFORMATION,
ADHESIVE
FORCES,
AND
MOLECULAR
CONFORMATION
.
939
11.9.4
BOUNDARY
LUBRICATION
STUDIES
.
943
11.9.5
LANGMUIR-BLODGETT
(L-B)
AND
SELF-ASSEMBLED
MONOLAYERS
.
948
11.10
NANOFABRICATION/NANOMACHINING
.
952
11.11
SUMMARY
.
953
REFERENCES
.
955
APPENDIX
A:
TECHNIQUES
FOR
MEASURING
MECHANICAL
PROPERTIES
OF
THIN
FILMS
.
964
APPENDIX
B:
SURFACE
ANALYTICAL
TECHNIQUES
.
1007
APPENDIX
C:
ACCELERATED
FRICTION
AND
WEAR
TESTS
.
1072
NAME
INDEX
.
1077
SUBJECT
INDEX
.
1094 |
| any_adam_object | 1 |
| author | Bhushan, Bharat 1949- |
| author_GND | (DE-588)122258762 |
| author_facet | Bhushan, Bharat 1949- |
| author_role | aut |
| author_sort | Bhushan, Bharat 1949- |
| author_variant | b b bb |
| building | Verbundindex |
| bvnumber | BV011002048 |
| callnumber-first | T - Technology |
| callnumber-label | TK7881 |
| callnumber-raw | TK7881.6 |
| callnumber-search | TK7881.6 |
| callnumber-sort | TK 47881.6 |
| callnumber-subject | TK - Electrical and Nuclear Engineering |
| classification_rvk | ST 175 |
| ctrlnum | (OCoLC)34077283 (DE-599)BVBBV011002048 |
| dewey-full | 621.382/34 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.382/34 |
| dewey-search | 621.382/34 |
| dewey-sort | 3621.382 234 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Informatik Elektrotechnik / Elektronik / Nachrichtentechnik |
| edition | 2. ed. |
| format | Book |
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| id | DE-604.BV011002048 |
| illustrated | Illustrated |
| indexdate | 2024-08-18T00:40:21Z |
| institution | BVB |
| isbn | 0387946276 |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007365677 |
| oclc_num | 34077283 |
| open_access_boolean | |
| owner | DE-29T DE-703 |
| owner_facet | DE-29T DE-703 |
| physical | XX, 1125 S. Ill., graph. Darst. |
| publishDate | 1996 |
| publishDateSearch | 1996 |
| publishDateSort | 1996 |
| publisher | Springer |
| record_format | marc |
| spelling | Bhushan, Bharat 1949- Verfasser (DE-588)122258762 aut Tribology and mechanics of magnetic storage devices Bharat Bhushan 2. ed. New York [u.a.] Springer 1996 XX, 1125 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Literaturangaben Disques magnétiques ram Enregistrement magnétique - Propriétés mécaniques ram Tribologie (technologie) ram Magnetic disks Magnetic recorders and recording Magnetic tapes Tribology Tribologie (DE-588)4060847-5 gnd rswk-swf Magnetspeicher (DE-588)4168608-1 gnd rswk-swf Magnetspeicher (DE-588)4168608-1 s Tribologie (DE-588)4060847-5 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007365677&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Bhushan, Bharat 1949- Tribology and mechanics of magnetic storage devices Disques magnétiques ram Enregistrement magnétique - Propriétés mécaniques ram Tribologie (technologie) ram Magnetic disks Magnetic recorders and recording Magnetic tapes Tribology Tribologie (DE-588)4060847-5 gnd Magnetspeicher (DE-588)4168608-1 gnd |
| subject_GND | (DE-588)4060847-5 (DE-588)4168608-1 |
| title | Tribology and mechanics of magnetic storage devices |
| title_auth | Tribology and mechanics of magnetic storage devices |
| title_exact_search | Tribology and mechanics of magnetic storage devices |
| title_full | Tribology and mechanics of magnetic storage devices Bharat Bhushan |
| title_fullStr | Tribology and mechanics of magnetic storage devices Bharat Bhushan |
| title_full_unstemmed | Tribology and mechanics of magnetic storage devices Bharat Bhushan |
| title_short | Tribology and mechanics of magnetic storage devices |
| title_sort | tribology and mechanics of magnetic storage devices |
| topic | Disques magnétiques ram Enregistrement magnétique - Propriétés mécaniques ram Tribologie (technologie) ram Magnetic disks Magnetic recorders and recording Magnetic tapes Tribology Tribologie (DE-588)4060847-5 gnd Magnetspeicher (DE-588)4168608-1 gnd |
| topic_facet | Disques magnétiques Enregistrement magnétique - Propriétés mécaniques Tribologie (technologie) Magnetic disks Magnetic recorders and recording Magnetic tapes Tribology Tribologie Magnetspeicher |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007365677&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT bhushanbharat tribologyandmechanicsofmagneticstoragedevices |