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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... sections exhibited a resin anomaly in some of fiber tows on the top two or three plys ( Figure 3 ). Additionally, the anomaly was sometimes evident on the bottom three plys of the laminate. Other similarities between the two sections included matrix microcracking, low resin content and evidence of fiber...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090466
EISBN: 978-1-62708-218-1
... of the first lot of production parts. The mechanical hinges were specified to be injection molded from an impact-modified, 13% glass-fiber-reinforced nylon 6/6 resin. Investigation of samples representing the failed components and the original prototype parts included visual inspection, 118x SEM images, micro...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
...Abstract Abstract Cracking occurred within the plastic jacket (injection molded from an impact-modified, 15% glass-fiber-reinforced PET resin.) of several assemblies used in a transportation application during an engineering testing regimen which involved cyclic thermal shock (exposing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0090460
EISBN: 978-1-62708-234-1
... been injection molded from a 30% glass-fiber and mineral-reinforced nylon 12 resin. Investigation, including visual inspection, 118x SEM images, 9x micrographs, energy-dispersive x-ray spectroscopy, micro-FTIR in the ATR mode, and TGA, supported the conclusion that the filter component failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090442
EISBN: 978-1-62708-218-1
...Abstract Abstract A number of plastic sleeves used in an automotive application cracked after assembly but prior to installation into the mating components. The sleeves were specified to be injection molded from a 20% glass-fiber-reinforced polybutylene terephthalate (PBT) resin. After molding...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
... of a few formulations of thermoset composites. The relevant micrograph is given in Fig. 9 . It is seen from these results that the wear resistance of phenolic resin increases by almost two orders of magnitude when fillers such as carbon and aramid fibers are added to the phenolic resin matrix...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... of a plastic resin. It explains the use of mechanical testing in failure analysis and also describes the considerations in the selection and use of test methods. differential scanning calorimetry dynamic mechanical analysis failure analysis Fourier transform infrared spectroscopy mechanical testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... their quality control procedures and resumed production of nozzle liners with more tightly controlled fiber/fabric materials. Proof stress Quality control Silica-phenolic (Other, general, or unspecified) fracture (Other, general, or unspecified) processing-related failures I. Introduction II...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... km). Details of UD composites studied in adhesive wear mode Table 4 Details of UD composites studied in adhesive wear mode No. Reinforcement (UD) Resin and V f Epoxy Polyester PTFE/Teflon 1 High-strength carbon fiber (HS-CFR) HS-CFR-E (42, 52, 59, 65) HS-CFR-EST (42...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048498
EISBN: 978-1-62708-234-1
... was generated by the orientation of river patterns and resin microflow during microscopic examination of sectioned samples of the panel. It was discovered that crack initiation occurred at the periphery of a fastener hole located at the front spar. Propagation occurred chordwise across the compression-loaded...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... as a fiber, plastic, or elastomer ( Fig. 1 ), depending on the relative strength of intermolecular bonds and molecular structure or geometry. Noncrystalline polymers with weak intermolecular forces are usually elastomers or rubbers at temperatures above the glass transition temperature, T g . In contrast...
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
... of these types of oils in the rubber would allow it to expand and crack, as was observed in the subject failed cord and similar cords from the same brand. The cords showed breaking of the outer sheath due to protrusion of rubber from the inside. The polypropylene outer sheath fibers of the failed and similar...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
... considered before a purchase is made, because a larger, more costly chamber may allow some samples to be examined directly without sectioning. For small samples that must be secured in some type of resin for polishing and etching, conductive mounting materials are available for purchase. If a nonconductive...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003533
EISBN: 978-1-62708-180-1
..., more costly chamber may allow some samples to be examined directly without sectioning. For small samples that need to be secured in some type of resin for polishing and etching, conductive mounting materials are available for purchase. If a nonconductive mount such as normal bakelite is used...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
...–10 Fine polishing Short-napped fiber cloth (a) (a) 150 ∼50 ∼11 1–20 (a) Silicon dioxide suspension Fig. 28 Ceramographic etching procedures Fig. 27 Schematic presentation of different methods of hardness-depth profiling. (a) Load variation method (LVM). (b...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... to display surface topography. This often involves arranging lights until the desired effect is shown in an exaggerated manner. The lighting from photoflood or similar lamps often results in a suppression of the surface features that are desired. Flexible fiber-optic lighting is often the most appropriate...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... Cage materials and their working-temperature domains Cage material Temperature domain (Δ T ) °C °F Steel −30 to +200 −20 to +390 Brass/bronze −30 to +200 −20 to +390 PA66 (with glass fibers) −30 to +120 −20 to +245 Polyetheretherketone −30 to +150 −20 to +300...