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phenomenological model

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Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005425
EISBN: 978-1-62708-196-2
..., which can be grouped broadly into three classes: statistical, phenomenological, and mechanistic models. The article also presents an overview of the potential directions for the modeling of metals processing. material behavior model statistical model phenomenological model mechanistic model...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... and to assess the significance of various parameters, including materials, which can be changed to resolve the wear problem. Modeling is an essential element in resolving wear failures. The characterizations of the tribosystem and the wear situation provide the basis for models. Simple phenomenological...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004022
EISBN: 978-1-62708-185-6
... in the next part of this section. Also needed are the phenomenological models and shop trial data to check the simulation results or predictions. As introduced in examples earlier, the objective function finds a measure of goodness for the simulated design. This is calculated as a sum of contributions from...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003382
EISBN: 978-1-62708-195-5
... or phenomenological, for composite materials under cyclic loading. composite structures damage tolerance delamination material degradation compression loading fatigue life bearing failure fatigue damage life prediction model quasi-isotropic laminate tension-compression fatigue loading shear stress...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009002
EISBN: 978-1-62708-185-6
... working and key processes that control microstructure evolution: dynamic recovery, static recovery, recrystallization, and grain growth. Some of the key phenomenological descriptions of plastic flow and microstructure evolution are also summarized. The article concludes with a discussion on the modeling...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003633
EISBN: 978-1-62708-182-5
... of SCC. It describes the phenomenological and mechanistic aspects of the initiation and propagation of SCC. The article includes a phenomenological description of crack initiation and propagation that describes well-established experimental evidence and observations of stress corrosion. Discussions...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005413
EISBN: 978-1-62708-196-2
... Abstract This article focuses on the analyzing and modeling of stress-strain behavior of polycrystals of pure face-centered cubic (fcc) metals in the range of temperatures and strain rates where diffusion is not important. It presents a phenomenological description of stress-strain behavior...
Book Chapter

By Sammy Tin
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005404
EISBN: 978-1-62708-196-2
... strain rates as a function of hardening and softening parameters that correspond to phenomenological events ( Ref 22 , Ref 23 , Ref 24 ). This is a powerful creep-modeling technique that can be used to identify the dominant mechanisms governing deformation as well as to provide insight...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002354
EISBN: 978-1-62708-193-1
... Abstract This article discusses the microstructural processes that take place during plastic deformation and presents a plain phenomenological and general description of the cyclic stress-strain (CSS) response. It emphasizes the microstructural aspects of cyclic loading on single-phase...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... can be found in the article “Thermomechanical Processes for Nonferrous Alloys” in this Volume. Microstructure-Evolution Models Microstructure-evolution models fall into two broad categories: phenomenological and mechanistic. Phenomenological microstructure-evolution models have been developed...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006988
EISBN: 978-1-62708-439-0
... is treated as a homogeneous material, and the process-induced microstructural features that contribute to the overall material response are accounted for implicitly within a phenomenological constitutive model. Typically, the phenomenological constitutive model comprises an anisotropic yield criterion...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005433
EISBN: 978-1-62708-196-2
... and classical physical constitutive equations. The article also reviews the accommodation mechanisms that are divided into two major groups, namely, diffusional accommodation and accommodation by dislocations. constitutive model superplastic flow superplasticity phenomenological constitutive equation...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006033
EISBN: 978-1-62708-175-7
... are completely different, they are described here in two separate sections. Constitutive Relation during Compaction Continuum plasticity models are frequently used to describe the mechanical response of metal powders during compaction. These phenomenological models, originally developed in soil mechanics...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005502
EISBN: 978-1-62708-197-9
... relations for compaction and sintering are completely different, they are described here in two separate sections. Constitutive Relation during Compaction Continuum plasticity models are frequently used to describe the mechanical response of metal powders during compaction. These phenomenological...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005409
EISBN: 978-1-62708-196-2
... by alpha particles with an aspect ratio of less than 2:1 ( Ref 15 , 30 ). Thus, it is not surprising that a small volume fraction of modest-aspect-ratio, partially spheroidized lamellae would remain after 14 h ( Fig. 5c ). Phenomenological Models Because of the complexity of the various mechanisms...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009218
EISBN: 978-1-62708-176-4
... , p 1041 – 1046 (transl. from Prob. Prochn. ) 10.1007/BF01528260 24. Movchan B.A. and Dabizha E.V. , A Phenomenological Model for High-Temperature Creep in Pure Nickel , Strength Mater. , Vol 7 , 1975 , p 278 – 283 (transl. from Prob. Prochn. ) 10.1007/BF01522709 25...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005415
EISBN: 978-1-62708-196-2
... phenomenological phase-field models, typically those evolved from solidification models, the gradient term does not appear on every defined phase-field variable. For example, the gradient terms on concentration fields are neglected without further necessity ( Ref 11 ) or even with a particular purpose to separate...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005619
EISBN: 978-1-62708-174-0
... on a phenomenological material model, which incorporated both surface (friction) and volume (plasticity) “softening” effects. Focusing on the contribution of friction to bond formation in UW, Zhang and Li developed a 3-D thermomechanical FE model ( Ref 25 ). The model predicted a saturation of plastic deformation...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003632
EISBN: 978-1-62708-182-5
.... However, little gain has been made on the theory of the various cracking mechanisms, and certainly the same is true for progress in modeling or quantitative methods to predict cracking induced by the environment. Thus, the information presented in the previous edition remains fresh today and provides...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002476
EISBN: 978-1-62708-194-8
... remains is the specification of the failure function ψ for each reliability model. Phenomenological Models (NSA and PIA) To predict the time-independent (also referred to as fast-fracture) material response under multiaxial stress states Weibull ( Ref 2 ) proposed calculating a failure function per...