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matrix-resin materials

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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.modes.c0090460
EISBN: 978-1-62708-234-1
... unbounded from the surrounding polymeric matrix. The fracture surface also showed a network of secondary cracking. Overall, the observations made during the visual and SEM inspections were consistent with molecular degradation associated with chemical attack of the filter component material. Fig. 1...
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
... molecular weight plastic resin thermogravimetric analysis thermomechanical analysis visual examination THE ULTIMATE OBJECTIVE of a failure analysis is to ascertain the mode and the cause of the failure, regardless of the material from which the part was fabricated. The investigation is performed...
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
... with nital Abrasive wheels should be selected according to the manufacturer’s recommendations. Wheels consist of abrasive particles, chiefly alumina or silicon carbide (SiC), and filler in a binder material that may be a resin, rubber, or a mixture of resin and rubber. Alumina is the preferred...
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
... at the surface (arrows). Specimen etched with nital Wheels consist of abrasive particles, chiefly alumina or silicon carbide (SiC), and filler in a binder material that may be a resin, rubber, or a mixture of resin and rubber. Alumina is the preferred abrasive for ferrous alloys, and SiC is the preferred...
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
... of abrasive particles against the surface of material. Source: Ref 12 As previously noted, the wear of reinforced polymers is influenced by the properties of the matrix, the filler, and their bonding; the ratio of grooving depth to the filler size; the shape and size; orientation distribution...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
...—an effect that was stronger for the precipitates of the matrix. Similar microanalysis of precipitate/grain-boundary-free regions of the matrix showed only the expected alloying elements of the material. Fig. 10 SEM micrograph showing intergranular crack propagation as well as grain-boundary...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001271
EISBN: 978-1-62708-215-0
..., and the adjacent matrix material had a hardness of 42 to 46 HRC. Discussion The mechanism of chipping is generic to striking (or struck) tools. When a hardened steel tool is struck against a material as hard or harder than itself, conchoidal envelopes (appearing as white bands when viewed in cross section...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... occur when excess matrix material such as phenolic accumulates in one region or when the end of one lamination is covered by another. It may also occur when pressure at the end of a laminate imposes buckling loads. Observation of the cross-section of the insulators similar to that shown in Figure 3...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001695
EISBN: 978-1-62708-229-7
.... The fissile material is contained as a compound lsuch as UAl 4 dispersed in a non-fissile aluminum matrix. Figure 4 shows the microstructure of a typical uranium-aluminum alloy with the dispersed particles in an aluminum matrix. Fig. 4 Microstructure of a 18 wt. % U-Al alloy Corrosion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... intermetallic particles, and dimpled cellular regions in the matrix. The secondary fracture surface demonstrates similar features of intergranular fracture. aircraft landing gear intergranular fracture overaging cast aluminum-zinc alloy shrinkage porosity fractographic analysis optical emission...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001850
EISBN: 978-1-62708-241-9
...-sections using an optical microscope (LEICA DMRX). The specimens were mounted with resin, ground and polished using standard metallographic technique. The polished specimens were etched with 2% Nital solution to reveal the microstructures. The macrostructure at the crosssection of the specimen BZ is shown...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... Acceptance Criterion for Large PBGA Components through the Correlation with Scattering in Material Properties , IEEE 68th Electronic Components and Technology Conference (ECTC) , 2018 , p 718 – 723 10.1109/ECTC.2018.00112 22. Egan E. et al. , Response Surface Methodology for Matrix PBGA...
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
...., a composite-type material, such as a high-chromium white iron, or a composite drill bit, such as diamond or tungsten carbide inserts in a steel matrix), the individual components of which vary in their mechanical properties. Under some abrasive wear conditions, removal of the softer phase (usually the matrix...
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
... ). Additional wear mechanisms can operate in materials that exhibit a duplex microstructure or that are made up of two or more component phases (e.g., a composite-type material, such as a high-chromium white iron, or a composite drill bit, such as diamond or tungsten carbide inserts in a steel matrix...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001839
EISBN: 978-1-62708-241-9
... in conducting copper resin and polished using conventional metallographic specimen preparation procedures. The as-polished coil specimens were subsequently examined under an Inverted Metallurgical Microscope, Olympus Model GX71 to observe the subsurface cracking and fissuring. The unetched, as-polished...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... in situ ( Ref 9 ). A different subsurface region system develops when a brittle or nondeforming matrix is subjected to repetitive impact ( Ref 8 ). A white layer still forms, but the base material tends to remain undeformed (see Fig. 3 ). Fig. 3 Subsurface regions for (a) ductile and (b...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
..., and physical state of the carbon in the cast iron is the primary controlling factor in determining the properties of the cast iron. In typical iron castings, the solidification microstructure consists of the carbon-rich phase (graphite) and the metallic matrix which has limited carbon solubility. Most cast...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... 12 ). A different subsurface region system develops when a brittle or nondeforming matrix is subjected to repetitive impact ( Ref 12 ). A white layer still forms, but the base material tends to remain undeformed ( Fig. 3 ). Fig. 3 Subsurface regions for (a) ductile and (b) brittle...