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particle drag

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048164
EISBN: 978-1-62708-217-4
... material as 6150 steel. The hardness of the material was 49.5 to 51 HRC. Normal recurring vertical landing loads cause the top surface of the spring at the edge of the support to be stressed in compression. These probably were the major loads applied to the spring. On the other hand, side and drag...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001813
EISBN: 978-1-62708-180-1
.... This eventually caused complete fracture. The spring ( Fig. 3a ) broke approximately 1 1 2 turns from the end. Fracture was nucleated by an apparent longitudinal subsurface defect. Magnetic-particle inspection did not reveal any additional cracks or defects. The spring, made of 0.23-mm (0.009...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001516
EISBN: 978-1-62708-234-1
... with a magnetic material for the purpose of recording or reading at a high speed the data stored The magnetic coating on the disk can consist of small particles, called paniculate media, or of a continuous thin film. For higher storage density the particles are of submicron size and densely packed. They are held...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... surfaces on the drag surface of the casting (massive projections) Raised core or mold element cutoff A 223 (a) Projections with rough surfaces on the drag surface of the casting (in dispersed areas) Raised sand A 224 (a) Projections with rough surfaces on other parts of the casting Mold...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
.... Johnson R.W. , A Study of the Pickup of Abrasive Particles during Abrasion of Annealed Aluminium on Silicon Carbide Abrasive Papers , Wear , Vol 16 ( No. 5 ), 1970 , p 351 – 358 10.1016/0043-1648(70)90101-8 4. Kornfeld K. , Celluloid Replicas Aid Study of Metal Fractures , Met...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... of the bearing halves where they contacted the shaft after the cap shifted. Fig. 10 Sliding bearings damaged by abrasion by foreign particles. (a) Unetched specimen showing a large foreign particle (arrow) at the interface of a bearing and shaft. 110×. (b) Bearing surface scored by metal chips...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
...–150Comp 2 Synthetic suede pad Aqueous 0.05 μm γ-alumina slurry 27 (6) 120–150Comp 2 Note: Comp, complementary (platen and specimen holder both rotate in the same direction) Fig. 17 Light micrograph showing a SiC grinding-abrasive particle (arrow) lodged in a weldment in 6061-T6...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... to the contact path due to shear. Friction in rolling and sliding contact can arise from asperity interlock, adhesion, or abrasion by debris trapped between the contacting surface and viscous drag of the lubricant. A qualitative model ( Ref 27 ) was presented to describe the microchipping wear mode in ceramic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... test setup. Adapted from Ref 89 Fig. 17 Typical friction map obtained with a load-scanning test. Source: Ref 89 Fig. 22 Schematic of twin-disk test device. Adapted from Ref 131 Fig. 25 Critical sliding distance to galling for different reinforcement particle types...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... contacts shoulder Slight movement due to shaft flexure Dull indentations on raceway at same spacing as rolling elements Vibration in stationary bearing, particularly in presence of abrasive particles; referred to as false brinelling Corrosion Local spots or pits on raceways, same spacing...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
...). 355×. (d) Higher-magnification view of Fig. 30(c). 650× Fig. 36 Wear on head of titanium screw. (a) Material transport and fretting zone. (b) Close-up view of wear structures showing fine wear products. 120×. (c) Wear structures showing generation of small wear particles. 1200×. (d) Wear...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... region using acetate tape softened in acetone, dried, then carefully stripped from the fracture surface. Upon return to the laboratory, the replicas may be gold coated and examined with a scanning electron microscope (SEM). Foreign particles removed from the fracture surface also may be analyzed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... Steel , Tribol. Int. , Vol 131 , 2019 , p 258 – 267 10.1016/j.triboint.2018.09.012 62. Fillot N. , Iordanoff I. , and Berthier Y. , Modelling Third Body Flows with a Discrete Element Method—A Tool for Understanding Wear with Adhesive Particles , Tribol. Int. , Vol 40...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... the world illustrated in global satellite-derived map of PM 2.5 averaged over 2001 to 2006. (PM 2.5 indicates particulate particles less than 2.5 μm in size.) Eastern China, Northern India, the Middle East, and Northern Africa have very high PM concentrations. Source: Ref 175 . Courtesy of NASA...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... categories. Proper processing, curing, and additives (plasticizers, colorants, flame retardants, etc.) are important for the polymer to function properly. Surface modification refers to the modification of a surface composition or structure by using energy or particle beams. Elements can be added...