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theoretical fracture models

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... or depletion ratio and the absolute change in atomic percent. Source: Ref 6.1 Theoretical modeling of RIS has developed in two branches, one dealing with the “concentrated” alloying constituents (e.g., Fe-Ni-Cr) ( Ref 6.47 – 6.52 ) and the other with the “dilute” (i.e., <1 at.% solute) alloying...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... the latter is the specific surface area multiplied by the powder theoretical density. An alternative model relies on the median particle size, D50, and the critical solids loading, ϕ C : (Eq 5.5) λ = D 50 1 + 1 ϕ − 1 ϕ C 1 / 3 − 1 Test data with powder-polymer...
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 June 1983
DOI: 10.31399/asm.tb.mlt.t62860001
EISBN: 978-1-62708-348-5
...-3 Cousins C. S. G. (1969) . The use of elastic shear constants to test the validity of model potential theories. J. Phys. C 2 , 765 – 767 . 10.1088/0022-3719/2/4/126 Crutchley D. E. and Reid C. N. (1969) . Mechanical properties of chromium single crystals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860237
EISBN: 978-1-62708-348-5
.... (1962) . A model for yielding with special reference to the yield-point phenomena of iron and related bcc metals. Acta Metall . 10 , 727 – 738 . 10.1016/0001-6160(62)90041-X Hahn G. T. and Rosenfield A. R. (1975) . Metallurgical factors affecting fracture toughness of aluminum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060209
EISBN: 978-1-62708-355-3
... M. , Micronecking and Fracture in Cavitated and Superplastic Materials , Metall. Mater. Trans. A , Vol 27 A, 1996 , p 1043 – 1046 10.1007/BF02649772 54. Nicolaou P.D. and Semiatin S.L. , A Theoretical Investigation of the Effect of Material Properties and Cavity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... that neither of these models actually is superior to the other, and that the correlations for both are considered good. On the basis of their data, it seems that these two models are related and that: (Eq 8.36) a 0 ≅ 4 d 0 The fracture test data of Nuismer and Whitney show...
Book Chapter

By Soumya Subramonian
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500001
EISBN: 978-1-62708-317-1
... at fracture and the various zones, such as the rollover, shear, fracture, and burr, are shown in Fig. 1.25 . When the tools are modeled as elastic, the stresses on them can be predicted using FE, as shown in Fig. 1.26 . Finite-element predictions have been found to give reasonably accurate estimations ( Ref...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
.... , 1952 . Physical Chemistry of Surface Films , Van Nostrand Reinhold • Hill A. and Wallach E.R. , 1989 . Modeling Solid State Diffusion Bonding , Acta Mater. Metall. , Vol 37 (No. 9 ), p 2425 – 2437 10.1016/0001-6160(89)90040-0 • Humpston G. and Baker S.J...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... tubes includes a metallurgical examination and theoretical calculations based on fracture mechanics. The remaining life of a tube is estimated by assessing the microstructural deterioration or damage that it has undergone, using a fundamental knowledge of the material properties and the stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.9781627083485
EISBN: 978-1-62708-348-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.9781627083522
EISBN: 978-1-62708-352-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... , fracture toughness may increase or decrease as temperature is lowered, depending on metallurgical factors. Because fracture toughness is highly dependent on temperature, an effort should be made early in the design process to establish characteristic temperatures that model the service applications...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... for a particular alloy in a benign environment. There are many arguments against this model. The principal criticism is that it greatly underestimates the work of fracture and does not account for the discontinuous crack growth that has been observed for hydrogen cracking. Decohesion describes the effect...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
... in energy is the origin of surface energy γ SV . Fig. 1.11 Relationship between surface energy and surface tension Fig. 1.12 Surface tension forces acting when a liquid droplet wets a solid surface, according to the classical model Fig. 1.13 Numerical model of a liquid droplet...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
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
...-Hall Inc. , 1984 6. Laird C.M. , STP 415, American Society for Testing and Materials , 1966 , p 130 7. Anderson T.L. , Fracture Mechanics: Fundamentals and Applications , 3rd ed. , Taylor & Francis , 2005 8. Collins J. and Daniewicz S. , Failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... -12Co 0.5 … WC-3VC-2Co 0.7 … WC-5TiC-10Co 0.9 0.52% O, TD = 3.4 g/cm 3 WC-6Co 1.8 TD = 4.8 g/cm 3 6.8 TD = 3.7 g/cm 3 43 TD = 7.18 g/cm 3 WC-8Co 3.4 TD = 4.8 g/cm 3 3.2 TD = 4.9 g/cm 3 (a) TD, theoretical density; AD, apparent density Binder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500019
EISBN: 978-1-62708-317-1
... forming test were conducted using DEFORM-2D at the ERC/NSM. Predictions of the punch stroke at fracture, made with and without a fracture criterion, were compared with experimental results from the literature for DP600 steel ( Ref 2.17 ). The Cockcroft-Latham fracture model was used to predict...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540357
EISBN: 978-1-62708-309-6
..., convincing evidence has shown cleavage fracture in crystalline materials to occur by prior dislocation motion to create cleavage nucleus. Therefore, it is conceivable that a shear stress is also required on one or more slip planes. In the last half of the 20th century, a number of models that refine...