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free growth model

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
... Conditions , Modeling Environmental Effects on Crack Growth Processes , Jones R.H. and Gerberich WW. , Ed., The Metallurgical Society , 1986 , p 209 1.24 Danielson M.J. , Oster C. , and Jones R.H. , Corros. Sci. , Vol 32 ( No. 1 ), 1991 , p 1 10.1016/0010-938X(91...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630071
EISBN: 978-1-62708-270-9
..., which are simplified models of complex stress systems. Free-body diagrams of shafts in the pure types of loading (tension, torsion, and compression) are the simplest; they then can be related to more complex types of loading. This chapter discusses the principles of these simplest loading systems in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
... 5.88. Wei R.P. and Landes J.D. , Correlation Between Sustained-Load and Fatigue Crack Growth in High-Strength Steels , Material Research and Standards, TMRSA , Vol 9 , ASTM , 1969 , p 25 – 28 5.89. Liu A.F. , Assessment of a Time Dependent Damage Accumulation Model for...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... Abstract High-strength steels are susceptible to stress-corrosion cracking (SCC) even in moist air. This chapter identifies such steels and the applications where they are typically found. It provides information on crack growth kinetics and crack propagation models in which hydrogen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... F.P. , “ Modeling of Irradiation Effects on Stress Corrosion Crack Growth Rates ,” Paper 497, presented at Corrosion/89, National Association of Corrosion Engineers , 1989 6.27 Andresen P.L. and Ford F.P. , “ Modeling of Irradiation Effects on Stress Corrosion Crack Growth in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090341
EISBN: 978-1-62708-266-2
... reaction between water and the solid. In fact, fairly detailed models have been developed ( Ref 14.7 , 14.8 ) to explain why water almost always enhances crack growth in glasses and ceramics as well as why environmental molecules similar in chemistry to water (for example, NH 3 and N 2 H 4 ) also can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140071
EISBN: 978-1-62708-264-8
... metal grain boundaries, so the shape and growth of the soap grains simulate metal grains very well. The soap grains provide an excellent model of the three-dimensional shape of metal grains. For example, there is a seven-sided soap grain contacting the glass surface at the lower right of Fig. 8.1(a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... the models in Fig. 4.20 . Source: Ref 7.3 Cyclic slip is the basis for fatigue in metals; however, the strong bonds in highly brittle solids restrict the dislocation movement (slip) for fatigue initiation. Thus, there has been a perception that ceramics are free of true cyclic fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540281
EISBN: 978-1-62708-309-6
... the case of crack growth at high temperature, we have learned that there is a third type of crack-tip deformation zone: the creep zone. The existence of the creep zone may further confuse the subject. According to the hypothesis stated earlier, two out of three crack-tip deformation models can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
... J.O. and Agren J. , Models for the Numerical Treatment of Multicomponent Diffusion in Simple Phases , J. Appl. Phys. , Vol 72 ( No. 4 ), 1992 , p 1350 – 55 10.1063/1.351745 12. Portella P.D. , Adolf Martens—And His Contributions to Materials Engineering . http://www.phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870201
EISBN: 978-1-62708-314-0
... Abstract This chapter provides an overview of the tools and techniques, as well as some of the underlying theory, that have proven useful for process modeling and simulation. It begins by presenting the framework of a thermoset cure model that accounts for kinetics, viscosity, heat transfer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
... some critical copper concentration an oxide film, or tarnish, formed ( Fig. 7.2 ). Later work by Pugh and Green ( Ref 7.17 ) demonstrated that cracking could be produced in copper-free ammonia solutions by anodically polarizing the brass specimen. Thus, the primary role of the cupric complex ion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... Crack-Tip-Opening Displacement Model Under Stress-Corrosion Conditions , Modeling Environmental Effects on Crack Growth Processes , Jones R.H. and Gerberich W.W. , Ed., The Metallurgical Society , 1986 , p 209 16. Danielson M.J. , Oster C. , and Jones R.H...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... da / dn versus Δ K curve is shown in Fig. 14.18 . In region I, Δ K th is the fatigue crack growth threshold, which is at the lower end of the Δ K range, where crack growth rates approach zero. In region II, the crack growth rate is stable and essentially linear and can be modeled by power law...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... . The Paris power-law equation, da/dN = C (Δ K ) n , describes fatigue-crack growth rate in the middle, or power-law, region. In other words, there is a linear relationship (in log-log scale) between da/dN and Δ K . Modeling of the central portion of the da/dN versus Δ K curve is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
.... Thus, there has been a perception that ceramics are free of true cyclic fatigue effects, and that the cyclic crack growth rates in ceramics are simply manifestations of environmentally assisted crack growth under sustained tensile loading. That means da/dn and da/dt are interchangeable, after...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... , 1986 22. Ferguson B. L. and Li Z. , Modeling and Simulation of Stresses and Distortion in Induction Hardened Steels , Induction Heating and Heat Treatment , Vol 4C , ASM Handbook , ASM International , 2014 , p 272 – 290 10.31399/asm.hb.v04c.a0005882 During cold working...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... Council , 1992 25. Cook P. and Musulin I. , PHOENICS Model for a Billet Homogenization Furnace , Proc. Fifth International Aluminum Extrusion Technology Seminar , Vol 1 , Aluminum Association and Aluminum Extruders Council , 1992 26. Garcia P. and Hertwich G...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... metallurgical and environmental variables and loading conditions. It also examines the crack growth resistance curves of several aluminum alloys and describes the characteristics of fracture when all or some of the applied load is in the plane of the crack. crack-tip plasticity fracture resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... consumed ( Fig. 13.10 ). Microstructures of the remaining alloy exhibited severe alloy depletion and the presence of sulfides (hence “sulfidation”), as indicated in Fig. 13.11 . Laboratory studies eventually showed that the corrosion process could be modeled by sodium sulfate, or by contaminants...