1-20 of 26 Search Results for

continuum model

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... of creep fatigue 8.104 ABDN FCE Fatigue-creep-environment model 8.65 , 8.66 E: Damage mechanics E DMC Damage mechanics for creep 8.47 E CDM Continuum damage model 8.81 E CDM Cyclic damage model 8.82 ABE CDC Cumulative damage under creep 8.88 AE FCD...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
...Abstract Abstract This appendix presents an analytical model that estimates damage rates for both crack initiation and propagation mechanisms. The model provides a nonarbitrary definition of fatigue crack initiation length, which serves as an analytical link between initiation and propagation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780157
EISBN: 978-1-62708-268-6
... of the binomial distribution when the sample size ( n ) is large but when the outcome is a relatively small proportion ( p ) of the overall data set, such that np < 5. The Poisson distribution is used to model the occurrence of isolated events in a continuum; that is, rare events occurring in a given period...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540001
EISBN: 978-1-62708-309-6
... forms of the equations and in simple geometric regions. For many practical problems, computational or numerical solutions are needed. Numerical methods provide approximate solutions by converting a complex continuum model into a discrete set of smaller problems with a finite number of degrees...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... on predictive modeling as well. corrosion potential Irradiation-assisted stress-corrosion cracking predictive model radiation damage radiation-induced segregation stainless steel IRRADIATION-ASSISTED STRESS-CORROSION CRACKING (IASCC) describes premature cracking of material/environment systems...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
... of Plastics Engineers, 1983 , p 366 – 367 9. Lee D. , Modeling of Polycarbonate Stress-Strain Behavior , Polym. Eng. Sci ., Vol 27 ( No. 2 ), 1987 10. Vincent P.I. , The Necking and Cold Drawing of Rigid Plastics , Polymer , Vol 1 , March 1960 , p 7 – 19 10.1016/0032...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460067
EISBN: 978-1-62708-285-3
... start with the analysis of plastic deformation of particles during impact and bonding. This is often pursued through continuum-level models of deformation, which have been widely used in cold spray research. The constitutive plastic properties of the involved materials are the main input to these models...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040091
EISBN: 978-1-62708-300-3
... of Three-Dimensional Finite Element Modeling in Bulk Forming Processes, ” J. Mater. Process. Technol. , Vol 113 , 2001 , p 40 –45. 10.1016/S0924-0136(01)00590-8 [Thomsen et al., 1954] Thomsen E.G. , Yang C.T. , Bierbower J.B. , “ An Experimental Investigation of the Mechanics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
.... and Skogsgårdh A. , Theoretical and Experimental Analysis of Stroke-Controlled Tube Hydroforming , Mater. Sci. Eng. A , Vol 279 ( No. 1–2 ), Feb 29 , 2000 , p 95 – 110 10.1016/S0921-5093(99)00646-2 9.25 Yang C. and Ngaile G. , Analytical Model for Planar Hydroforming: Prediction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
... crack in an elastic continuum. Three geometric configurations are used to model the crack. Mode I refers to the crack opening with displacement normal to the fracture surface. Mode II refers to shear or antisymmetric crack surface separation. Mode III refers to tearing in which, again, the crack...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... . 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 equations, such as the Paris equation: (Eq 28) d...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400053
EISBN: 978-1-62708-316-4
... of plastic flow is not trivial and depends on a combination of all the stresses in the stress tensor. The most popular yield criteria for isotropic material and anisotropic material used in numerical modeling of sheet metal forming processes are described in this chapter: Isotropic yield criteria...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
... constants which are functions of stress and temperature: θ 1 , and θ 2 define the primary or decaying strain-rate component, and θ 3 and θ 4 describe the tertiary or accelerating strain-rate component. The absence of a steady second-stage creep rate is implied by the model. A wide range of creep...
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
... be considered a continuum (no cracks present). However, they are not valid if cracklike discontinuities exist. When a cracklike defect is present, a fracture mechanics approach is used where the rate of crack growth, labeled da/dN , is measured as a function of the K range during loading, Δ K . Fracture...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870237
EISBN: 978-1-62708-344-7
... 1921 , p 119 – 127 10.6 Sinclair G.M. and Corten H.T. , “Bubble Raft Model of Crystal Fatigue,” T. & A. M. Report 86, Department of Theoretical and Applied Mechanics, University of Illinois , Urbana, IL , June 1955 10.7 Bragg W.L. and Nye J.F...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... loads. On the basis of continuum solid mechanics, working solutions of stress/strain and load relationships for some structural elements are derived and presented. In this chapter, the phenomena of deformation and fracture are discussed in more detail for metals and engineering alloys. Many factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
.... 17.25 Typical stress-strain behavior for brittle and ductile adhesives. Source: Ref 8 Fig. 17.26 Elastic-plastic model. Source: Ref 12 Fig. 17.27 Effect of temperature on adhesive shear stress-strain. RT, room temperature; Source: Ref 12 Fig. 17.30 Uneven strain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870009
EISBN: 978-1-62708-344-7
... counting method, mechanical modeling based on displacement-limited elements, Wetzel’s method, and deformation modeling. It also explains the difference between force cycling and stress cycling and presents alternate techniques for predicting whether a material will become harder or softer in response...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... of the stress-life method is restricted to circumstances where the continuum “no cracks” assumptions can be applied. The advantages of this method are simplicity and ease of application, and it can offer some initial perspective on a given situation. It is best applied in or near the elastic range, addressing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940127
EISBN: 978-1-62708-302-7
... expressing a current density. In contrast, the surface may be modeled as having distinct areas at which only the anodic or the cathodic reaction is occurring. In this case, distinct local electrochemical cells exist with local currents flowing between them. Practically, there is a continuum of models...