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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001087
EISBN: 978-1-62708-214-3
... Abstract The repeated failure of rubber-covered rotors and volute liners in a flue gas desulfurization system after conversion from lime slurry reagent to limestone slurry reagent was investigated. The pump was a horizontal 50 x 65 mm (2 x 2.5 in.) Galiger pump with a split cast iron case...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... of conversion tables and charts that are commonly used and used incorrectly. ASTM International E 140 is an oft-used document that was originally developed from empirical data collated from a number of participating laboratories, manufacturers, raw material producers, and other interested parties ( Ref 5...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001309
EISBN: 978-1-62708-215-0
... unit on a tubular steel frame, as shown in Fig. 1 . For the conversion to a three-wheeled vehicle, the swing arm on the original motorcycle was cut and the cargo box frame was spliced to form a longer swing arm. The swing arm is connected to the main motorcycle frame through spring/shock units...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006924
EISBN: 978-1-62708-395-9
... in Fig. 7(c) to (d) , resulting in a cross-linked network of infinite molecular weight. Fig. 8 Macroscopic effects of cure, including gelation, which occurs at p c , the conversion at the gel point. p c is the same as α gel in Table 1 . η 0 is the steady-shear viscosity, and G e...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
... Abstract Grate bars in the traveling grate indurators in several taconite processing units suffered excessive corrosion following a conversion from acid to fluxed pellet production procedures. The campaign life of the HH grade cast stainless steel bars was reduced from more than 7 years...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... conditions, particularly when the scope was set for maximum magnification. Vibration was clearly noticeable under test conditions when the scope was set to its greatest magnification, and printed material placed on the operating table was examined. Vibration spectra taken on both the table...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001119
EISBN: 978-1-62708-214-3
... in accordance with ASTM C 384. Using a standard conversion table, Knoop 500 gf values were converted to Rockwell C hardness values. A transverse section that had been cut using water cooling and then metallographically polished to remove work hardening and cutting effects was tested. The hardness values of one...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... through a “window” that separates the detector from the vacuum chamber of the SEM, penetrate the lithium-infused single-crystal silicon chip, and are absorbed. The major result of this conversion of energy is in the production of electron/hole pairs within the silicon. The interaction can also result...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... of failures in heat exchangers is given in Table 1 . Data needed for analysis of failures in heat exchangers Table 1 Data needed for analysis of failures in heat exchangers Process name and function Unit name and function Material size, grade, specification Sketches of unit, failures...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... ( Fig. 2 ). The drive motor is primarily responsible for turning the screw(s). Additional drive motors are responsible for rotation of melt pumps, pullers, winders, and cutters and are often supplied as a component part of the additional units. One commonality of the extruder drive motors, regardless...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
... and has good high temperature properties, whereas polystyrene is comparatively brittle and cannot tolerate temperatures that polycarbonate can. The difference has to do primarily with the location of the two benzene rings that are in line with the backbone of the polycarbonate repeating unit...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... of a compressor system, a noise developed that was unacceptable. During the investigation of the noise it was found that one of the helical compressor springs was fractured. The failure occurred at 69K cycles, far short of the test goal of 500K. Subsequent to the first failure, all nine of the original units...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006932
EISBN: 978-1-62708-395-9
... ): Thermal conductivity, λ, = C p · ρμ · L in units of J/s · m · °C Thermal diffusivity, D , = λ/ C p · ρ in units of cm 2 /s where C p is the specific heat capacity at constant pressure, ρ is the density, and μ is the velocity of sound. Table 1 lists room-temperature linear CTEs...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
... temperatures. Typical thermal properties for various plastics are summarized in Tables 1 and 2 . Thermal properties of selected resins Table 1 Thermal properties of selected resins Thermoplastic resins Heat-deflection temperature at 1.82 MPa (0.264 ksi) UL index (a) Thermal conductivity...
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
... liners of crushing units are particularly susceptible to gouging abrasion. This type of wear also occurs to the liners of large grinding mills, particularly large autogenous and semiautogenous mills, where large chunks of ore (up to 250 mm, or 10 in., in diameter) are to be broken up by the tumbling...
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
... units are particularly susceptible to gouging abrasion. This type of wear also occurs to the liners of large grinding mills, particularly large autogenous and semiautogenous mills, where large chunks of ore (up to 250 mm, or 10 in., in diameter) are to be broken up by the tumbling action. Gouging...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001558
EISBN: 978-1-62708-217-4
... linear over the growth rate range of interest, the expression in Eq. 1 can be used to predict growth rates for any given value of ΔK, or conversely to translate striation spacings into values of ΔK and thus, given the crack depth, estimate the applied stress values causing cracking. If the log-log plot...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006933
EISBN: 978-1-62708-395-9
..., and decomposition. A typical DSC result is presented in Fig. 6 . Differential scanning calorimetry uses the temperature difference between a sample material and a reference as the raw data. In the application, the instrumentation converts the temperature difference into a measurement of the energy per unit mass...