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Polycarbonate

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090448
EISBN: 978-1-62708-222-8
...Abstract Abstract Housings (being tested as part of a material conversion) from an electrical appliance failed during an engineering evaluation. They had been injection molded from a commercial polycarbonate/PET blend. Parts produced from the previous material, a nylon 6/6 resin, had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090424
EISBN: 978-1-62708-222-8
...Abstract Abstract A plastic bracket exhibited relatively brittle material properties, which ultimately led to catastrophic failure. The part had been injection molded from a medium-viscosity polycarbonate resin and had been in service for a short duration prior to the failure. Investigation...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001278
EISBN: 978-1-62708-215-0
...Abstract Abstract Metal-framed polycarbonate (PC) ophthalmic lenses shattered from acetone solvent-induced cracking. The lenses exhibited primary and secondary cracks with solvent swelling and crazing. A laboratory accident splashed acetone onto the lenses. The metal frames gripped...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0090463
EISBN: 978-1-62708-234-1
... contributing factor was the design of the part, which produced significant interference stresses between the contact and a mating retaining tab. Creep strength Housings Polycarbonate Brittle fracture A housing used in conjunction with an electrical switch failed shortly after being placed...
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
... Fig. 6 A 1000 h creep modulus of several polymers as a function of temperature. PBT, polybutylene terephthalate; PC, polycarbonate; PPO, polyphenylene oxide; PVC, polyvinyl chloride; PP, polypropylene; HDPE, high-density polyethylene; T g , glass transition temperature Fig. 7 Isochronous...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
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
... of residual stress in an amorphous plastic resin Fig. 13 The FTIR spectrum obtained on the bracket base material, exhibiting absorption bands characteristic of polycarbonate Fig. 14 Spectral comparison showing differences between the base material and surface spectra, attributed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... Fig. 1 General features of fatigue fractures. Fig. 48 Artifacts generated by improper platinum sputter coating of a 4.6 mm (0.18 in.) diameter polycarbonate rotating beam fatigue specimen. This SEM view shows a pattern in the coating reminiscent of “mud-cracking.” Fig. 49...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... fracture (bright gray) on service fatigue failure of forged aluminum alloy. Image made by transmitting light through a plastic replica of the fracture surface. Source: Ref 16 Fig. 29 Low-magnification view of fracture origin area of polycarbonate impact test specimen. Curved Wallner lines...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... resin at a temperature of 250°C (480°F); a recommended operating range of 240 to 260°C (465 to 500°F) was specified. Valox is a General Electric polymer blend of Lexan, a GE polycarbonate, and polybutylene terepthalate. Changes in resistance were often measured after solder attachment...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... category of material. Metals can be subdivided into categories such as carbon steel, stainless steel, and copper alloys. Plastics can be subdivided into specific classes of thermoplastics and thermosets, such as polycarbonates and polyesters. Level IV: Select a specific material according...
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
..., and polycarbonate (PC). Cross-linked polymer PEEK also behaves in a way similar to glassy polymers ( Ref 31 ). See Fig. 10 for the changes in deformation behavior in sliding of PEEK when the operating temperature is close to the glass-transition temperature for PEEK. Fig. 10 Micrographs of worn PEEK...
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
..., polypropylene; POM, polyoxymethylene; PC, polycarbonate; PTFCE, polytrifluorochloroethylene; HDPE, high-density polyethylene; PET, polyethylene terephthalate; S , ultimate tensile strength; e , elongation to break; E , elastic modulus; K Ic , fracture toughness; f ab , the ratio of volume of material...
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
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... behavior. (c) Cold drawing behavior. (d) Rubbery behavior. Curve (a) could represent testing below the glass transition temperature. Source: Ref 12 Fig. 20 Craze formation in a polycarbonate polymer in tension under alcohol. Source: Ref 13 Fig. 22 Example of plastic deformation...