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molecular configuration

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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
...Practical information derived from polymer analysis methods Table 1 Practical information derived from polymer analysis methods Test method Properties measured Use in failure analysis Fourier transform infrared spectroscopy (FTIR) Molecular bond structure Material identification...
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
.... Thermoplastics have linear chain configurations where chains are joined by weak secondary bonds. The secondary bonds holding adjacent macromolecules together are a direct result of the formation of molecular dipoles along the length of the polymer chain. Secondary bonds are much weaker than primary bonds...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... a cobalt-chromium or titanium alloy; a polymeric wear surface made of ultrahigh molecular weight polyethylene (UHMWPE, ASTM F648); and a metal tibial component to which the polyethylene is attached. The femoral component articulates against the UHMWPE tibial cup, which in turn is anchored to the tibia...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... Steels subject to combined high-temperature and high-pressure hydrogen. Also affects copper Irreversible chemical reactions of hydrogen with matrix or alloy elements form high-pressure pockets of gases other than molecular hydrogen. Cracking from hydride formation Transition, rare earth, alkaline...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... attack Steels subject to combined high-temperature and high-pressure hydrogen. Also affects copper Irreversible chemical reactions of hydrogen with matrix or alloy elements form high-pressure pockets of gases other than molecular hydrogen. Cracking from hydride formation Transition, rare earth...
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
..., copolymer, terpolymer, blends, alloys Additives: intentional, unintentional Molecular weight Molecular weight distribution Cross linking gives infinite molecular weight. Intermolecular order Crystallinity Orientation: intentional, unintentional Degree of fusion Thermal transitions...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... and maintenance responsibility Distress damage or failed components Application Undercapacity Overcapacity Incorrect physical condition assumed (temperature, pressure, etc.) Incorrect physical property assumed (molecular weight, etc.) Specifications Inadequate lubrication system Insufficient control...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... by plotting the service lives of components having specific characteristics in the design/configuration, as related to the severity of a specific service condition that is anticipated for the application. Typical characteristics include strength, corrosion resistance, heat treatment condition, flaw size...
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
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... as opposed to mass-transport controlled. Equation 1 reduces to Eq 4 : (Eq 4) j = K ( C sat − C ∞ ) The phase-boundary reaction rate is then fixed by the movement of ions across the interface and, hence, is governed by molecular diffusion. The effective diffusion length over...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
.... These stable dislocation configurations are maintained and are characteristic of second-stage creep. Primary creep occurs in the first few moments after initial strain and decreases in rate as crystallographic imperfections within the metal undergo realignment. Similarly, in polymers, the primary creep stage...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
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.a0003543
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
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.a0003553
EISBN: 978-1-62708-180-1
... to the manufacturer to determine the cause of fracture. Fig. 8 Heat-resistant alloy clamp for securing the hot air ducting system on fighter aircraft that failed by stress corrosion. (a) Configuration and dimensions (given in inches). (b) Section through the fracture area showing an intergranular crack...