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empirical models

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006363
EISBN: 978-1-62708-192-4
.... It describes the relationships between machining parameters, workpiece material properties, cutting forces, and the corresponding temperature field in the chip. The article provides information on tool life, with an empirical model, common wear features, and the relationship between tool life and machining...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003649
EISBN: 978-1-62708-182-5
..., and test specimen; factors affecting atmospheric corrosion; and evaluation of exposed atmospheric-corrosion panels. The article concludes with a discussion on the empirical model used for analyzing the atmospheric-corrosion measurements for estimating the service life of the part being evaluated...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002482
EISBN: 978-1-62708-194-8
...Abstract Abstract Manufacturing processes typically involve the reshaping of materials from one form to another under a set of processing conditions. This article discusses the two classification schemes of modeling for manufacturing processes, namely, on-line or off-line models and empirical...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005553
EISBN: 978-1-62708-174-0
..., modeling, and control. The article describes the commonly applied sensing techniques for arc welding control: arc sensing and nonimaging and imaging optics. It reviews the physics-based, empirically-derived, and neural network models for arc welding control. The article also discusses the research...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003379
EISBN: 978-1-62708-195-5
... the matrix fails first, either by intent, by design error, or because of impact damage. The state of the modeling propagation and arrest of matrix damage follows. Comparisons of this physics-based approach are then made to empirically based failure theories. compression strength fiber-reinforced...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005537
EISBN: 978-1-62708-197-9
... for obtaining machining-induced residual stresses, including detailed finite-element analysis of the cutting process, the simple fast-acting mechanistic model, and the semi-empirical linear stress model. The article concludes with information on the modeling benefits and implementation of modeling...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005183
EISBN: 978-1-62708-186-3
.... In the following sections, equations are presented first for strain hardening and then for strain-rate-sensitive flow, with alternate sections on empirically determined properties, followed by models of constitutive behavior. Strain Hardening <xref rid="a0005183-ref1" ref-type="bibr">(Ref 1...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... mechanism of LDI erosion under the influence of a liquid film and surface roughness and on the prediction of LDI erosion. The fundamentals of LDI and processes involved in initiation of erosion are also discussed. empirical erosion model liquid droplet impingement erosion liquid film prediction...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004020
EISBN: 978-1-62708-185-6
... first for strain hardening and then for strain-rate-sensitive flow, with alternate sections on empirically determined properties, followed by models of constitutive behavior. Strain Hardening <xref rid="a0004020-ref1" ref-type="bibr">(Ref 1)</xref><xref rid="a0004020-fn1" ref-type="fn">[1...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
...Abstract Abstract This article provides a discussion on adhesively bonded joints and elastic-plastic mathematical model for an adhesive in shear. It discusses the design rules for thin bonded structures and reviews computer programs for the highly loaded stepped-lap joints. The article...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003386
EISBN: 978-1-62708-195-5
... of the mechanics based model, the regression algorithm, and the semi-empirical analysis. composites damage tolerance military aircraft metallic structures composite structures regression algorithm durability semi-empirical analysis THE DAMAGE TOLERANCE DESIGN PHILOSOPHY has been required on all...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002489
EISBN: 978-1-62708-194-8
...Abstract Abstract This article presents an overview of the techniques used in the design for heat treatment and discusses the primary criteria for design: minimization of distortion and undesirable residual stresses. It provides theoretical and empirical guidelines to understand the sources...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005416
EISBN: 978-1-62708-196-2
... networks in modeling noise and uncertainties in conducting experiments. The article also presents examples of the application of neural-network modeling to the behavior of metals. neural network modeling modeling noise overfitting uncertainty EMPIRICAL METHODS are regarded as less desirable...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009217
EISBN: 978-1-62708-176-4
... or a smoothed empirical model is fit to the data. The resulting f (Δ K ) value is considered representative of the crack propagation rate. Models and methods for estimating f (Δ K ) are presented later in this article. The a versus N behavior exhibited in Fig. 2 is specific to the material, specimen...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005419
EISBN: 978-1-62708-196-2
... and K crit is a thickness modified fracture toughness, K IC . This formulation for crack growth is available in many commercially available crack growth codes. Load Interactions—Empirical Models The previous models work nicely on simple constant-amplitude fatigue crack growth, which...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003640
EISBN: 978-1-62708-182-5
... scientific principles with an appreciation of the mechanisms of degradation of the material being studied. Experimental design is an accepted methodology that can help to make the transition between simple but practical empirical models to the most sophisticated multiparameter mechanistic models...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005438
EISBN: 978-1-62708-196-2
... kinetics in multicomponent steels is valuable for alloy design of high-performance steels ( Ref 5 ). Conventional empirical models are limited to composition ranges within a range of known experimental experience. Ghosh and Olson ( Ref 6 ) established a foundation of mechanistic martensitic kinetics, later...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002483
EISBN: 978-1-62708-194-8
... between weight and cost. The more complex the machine, the more difficult it is to understand if the domain of the parametric cost-estimating model is the same as that of the product being estimated. Empirical Methods of Cost Estimation Almost all the cost-estimating methods published...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005527
EISBN: 978-1-62708-197-9
... of the parametric cost-estimating model is the same as that of the product being estimated. Empirical Methods of Cost Estimation Examples for Sheet Metal and Riveted Parts Almost all the cost-estimating methods published in the literature are based on correlation of some feature or property of the part...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005592
EISBN: 978-1-62708-174-0
... residual stress and distortion involves one-way coupled thermomechanical analyses. In thermal analysis, conductive heat transfer is considered through the use of empirical models that provide values for the applied welding heat input. Some researchers, in order to consider the effect of the convective heat...