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rheological behavior

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... density, elastic modulus, rheological behavior, particle size, formulation control, feedstock mixing, and feedstock properties. The chapter also provides information on the processes involved in feedstock preparation and testing. elastic modulus feedstock density feedstock mixing mixture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780105
EISBN: 978-1-62708-281-5
... can be used to determine quickly and easily the fundamental rheological behavior of the solution, including the Newtonian, dilatant, pseudoplastic, or Bingham response, as shown in Fig. 2 ( Ref 5 ). However, offsetting this advantage is the insensitivity of solution techniques to subtle changes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
...-of-phase, PC + PP, compressive creep out-of-phase. (e) In-phase, CP + PP, slow-fast strain cycle. (f) Out-of-phase, PC + PP, fast-slow strain cycle. Source: Ref 6.26 Fig. 6.39 Comparison of isothermal 1150 °C (2100 °F) and bithermal 1150 ⇔ 205 °C (2100 ⇔ 400 °F) fatigue behavior of the tantalum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... as solid samples. The measurement can be made isothermally in a dynamic temperature scan and generally at different frequency and strain levels. Rheology is the study of the flow behavior of a material and is generally applied to liquids or semiliquids. A typical rheological curve is shown in Fig. 22...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040083
EISBN: 978-1-62708-300-3
... by minimizing a least-square functional consisting of experimental data and FEM simulated data. The FEM is used to analyze the behavior of the material during the test, whereas the optimization technique allows for automatic adjustment of parameters until the calculated response matches the measured one within...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
..., and actuators. 11.2.3 Surface Hard Materials Surface carburization for hardening is widely practiced in steels. For other materials, the opportunity for exceptional wear behavior relies on selective chemical treatments or coatings. A powder-binder slurry is one means to dip and coat a component...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5
... analysis, thermomechanical analysis, and rheological analysis. The basic thermal properties covered include thermal conductivity, temperature resistance, thermal expansion, specific heat, and the determination of glass-transition temperatures. The article further describes various factors influencing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870325
EISBN: 978-1-62708-344-7
... carbide. Source: Ref 12.14 Fig. 12.49 Reversed bending cyclic crack initiation behavior for (a) HS-110 and (b) HS-130 hot-pressed silicon nitride at 30 Hz for various temperatures. Source: Ref 12. 16 Fig. 12.50 Method of universal slopes prediction of fatigue for a hypothetical...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... in hydrogen, reaches comparable sintered density and strength. Typical heating rates are from 2 to 10 °C/min (3.6 to 18 °F/min). At 2 °C/min, almost all shrinkage occurs prior to reaching the peak temperature. Figure 10.1 illustrates this behavior. In Fig. 10.1 , densification occurs during heating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780028
EISBN: 978-1-62708-281-5
... distinguishes them from Newtonian rheological behavior as is further explored in the section “ Thermal and Mechanical Properties ” in this article. This concept of M c can be related to mechanical properties intuitively. The degree of intermolecular attractive forces is limited by the chain length...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780051
EISBN: 978-1-62708-281-5
... structure allows one to understand and predict many of the properties of polymers. In turn, the thermal and rheological properties dictate the processing method. The act of processing will itself influence the properties of the plastic part. Shrinkage, warpage, density, strength, toughness, and many other...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... systems such as elastomers and thermosets. These polymers show a range of wear behavior. For example, thermosets, which do not soften due to thermal energy, undergo chemical degradation at the interface. These degraded products detach themselves from the main body of the polymer and form transfer film...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... with longer sintering times. Such behavior is treated by using sintering models, where the monitor, Y , such as shrinkage (or neck size ratio, surface area reduction, or densification), depends on hold time, t , and temperature, T , via the exponential relation: (Eq 8.1) Y 1 / N = C t...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... and the particle packing behavior. The former is measured by the cumulative particle size distribution. Specification of the median particle size (50% size) is based on the cumulative powder mass, arranged from the smallest to largest. This is termed D50. Two other sizes are commonly specified as well: D10 and D90...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060137
EISBN: 978-1-62708-355-3
... sensors D 4065 6721-1 Determining and reporting dynamic mechanical properties of plastics D 4092 6721 Dynamic mechanical measurements on plastics D 4440 6721-10 Rheological measurement of polymer melts using dynamic mechanical procedures D 5023 6721-3 Measuring the dynamic mechanical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... on plastics D 4440 6721–10 Rheological measurement of polymer melts using dynamic mechanical procedures D 5023 6721–3 Measuring the dynamic mechanical properties of plastics using three-point bending D 5026 6721–5 Measuring the dynamic mechanical properties of plastics in tension D 5045 572...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... curves for coated single-crystal superalloy AM1 at 1100 °C (2010 °F) for V σ = 0 ( R σ = −1). Source: Ref 8.63 Fig. 8.10 Comparison of true fatigue behavior (shown by solid curves) as perceived by the authors in Ref 8.44 with ones (shown by dotted lines) calculated using averaged...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
.... This chapter describes the applications, properties, and behaviors of some of the more widely used structural ceramics, including alumina, aluminum titanate, silicon carbide, silicon nitride, zirconia, zirconia-toughened alumina (ZTA), magnesia-partially stabilized zirconia (Mg-PSZ), and yttria-tetragonal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
... the filler phase is extracted. The filler occupies the gaps between the particles—the space that otherwise would be voids. It provides pressure transmission during forming. Fillers are selected to be easy to extract. Additives are selected to modify feedstock behavior. Usually, the concentration is low, just...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7