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micromechanics

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Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003377
EISBN: 978-1-62708-195-5
... swelling coefficients static viscoelastic properties dynamic viscoelastic properties conductivity moisture diffusivity micromechanics WITH INCREASING USE of high-strength and high-stiffness fibers in materials designed to yield a desired set of properties, new interest has arisen...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002352
EISBN: 978-1-62708-193-1
... polarized light, 560×. Source: Ref 56 Fig. 31 Apparent lack of closure due to independence of Δ K th versus load ratio in a vacuum. Source: Ref 62 Abstract Abstract This article provides a brief description of the different types of micromechanisms of monotonic and cyclic fracture...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003399
EISBN: 978-1-62708-195-5
... The discontinuous MMCs are discussed later, but suffice to state that damage in many such composites involve either particle fracture or particle matrix separation followed by intense matrix plasticity and matrix rupture. Micromechanics of Discontinuously Reinforced MMCs Local Failures...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005418
EISBN: 978-1-62708-196-2
... , 2001 , p 31 – 37 11. Raghunathan S.L. , Stapleton A.M. , Dashwood R.J. , Jackson M. , and Dye D. , Micromechanics of Ti-10V-2Fe-3Al: In Situ Synchrotron Characterisation and Modelling , Acta Mater. , Vol 55 , 2007 , p 6861 – 6872 12. Kocks U.F...
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
... Abstract Abstract This article presents the governing equations and methodologies to model the press and sinter powder metallurgy, including continuum, micromechanical, multiparticle, and molecular dynamics approaches. It describes the constitutive relation for compaction and sintering. The article...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
...Abstract Abstract Mechanical testing is an evaluative tool used by the failure analyst to collect data regarding the macro- and micromechanical properties of the materials being examined. This article provides information on a few important considerations regarding mechanical testing...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003389
EISBN: 978-1-62708-195-5
... structures based on micromechanics and macromechanics. The article describes the FEA of 3-D solid elements, 2-D cylindrical shell elements, and 1-D beam elements. It contains a table that lists the commercially available finite element codes related to the analysis of fibrous composite materials. The article...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003376
EISBN: 978-1-62708-195-5
... The mechanics area addresses composites at two levels: micromechanics and macromechanics. The article “Micromechanics” provides an understanding of the behavior of the fiber and resin constituents and how their combination affects higher level composite behavior. Micromechanics played a significant role...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003390
EISBN: 978-1-62708-195-5
... stiffness calculations and point-stress analysis to micromechanical modeling to shell buckling and other structural considerations. The problem now becomes one of finding a program that meets the user's needs. Evaluation Criteria Reviews of Available Programs Internet Resources References...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005405
EISBN: 978-1-62708-196-2
...Relative emphasis on fatigue micromechanisms in the low-cycle (LCF) and high-cycle (HCF) regimes Table 1 Relative emphasis on fatigue micromechanisms in the low-cycle (LCF) and high-cycle (HCF) regimes Mechanisms LCF—Extensive plasticity HCF—Microstructure-scale (constrained) plasticity...
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
... Micromechanical model to relate lamina-level strains to constituent-level strains in unidirectional lamina. Shading represents contours of constant J 1 , which is the sum of the three principal strains. Typically, radial strains in the matrix immediately adjacent to the fibers are negative, so J 1 is lower...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003383
EISBN: 978-1-62708-195-5
... of a bar of an aligned composite. Thus, the longitudinal shear modulus of carbon-fiber-reinforced plastic (CFRP) or glass-fiber-reinforced plastic (GFRP) is principally a function of the matrix shear modulus, the fiber shear modulus, and the volume fraction of fibers. None of the existing micromechanics...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005421
EISBN: 978-1-62708-196-2
... under Uniaxial-Tension Conditions Plasticity-Controlled Growth under Multiaxial Stress States Cavity-Growth Rate along the Principal Directions Micromechanical Models of Plasticity-Controlled Growth Modeling of Cavity Coalescence Modeling of Cavity Shrinkage Modeling and Simulation...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001348
EISBN: 978-1-62708-173-3
... , 1980 , p 1479 – 1488 10.1016/0001-6160(80)90048-6 5. Jokl M.L. , Vitek V. , and McMahon C.J. Jr. , On the Micromechanics of Brittle Fracture: Existing vs Injected Cracks , Acta Metall. , Vol 37 , 1989 , p 87 – 97 10.1016/0001-6160(89)90269-1 6. Hack J...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003400
EISBN: 978-1-62708-195-5
... cases, the deformation has the effect of increasing the stress concentration ( Ref 15 ). Fiber pullout and the associated R -curve are again obtained during fracture. The micromechanics of matrix cracking, interface debonding and sliding, and their roles in the macroscopic stress–strain response...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... in this region. Careful correlation of microscopic fracture-surface topography with macroscopic fracture-surface features is essential. The crack-initiation region and the directions of crack growth must be identified accurately so that information concerning the sequence of events and the micromechanisms...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
...-surface topography with macroscopic fracture-surface features is essential. The crack-initiation region and the directions of crack growth must be identified accurately so that information concerning the sequence of events and the micromechanisms of fracture, as observed by electron microscopy, can...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003318
EISBN: 978-1-62708-176-4
... rise in the specimen can be monitored with a thermal couple or an infrared sensor. In many polymer systems, the thermal work influenced by high damping and low thermal conductivity contributes to micromechanisms of permanent deformation including craze formation, shear bands, voids, or even microcracks...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006331
EISBN: 978-1-62708-179-5
.... Cast Met. Res. , Vol 25 ( No. 3 ), June 2012 , p 176 – 187 10.1179/1743133611Y.0000000038 14. Bonora N. and Ruggiero A. , Micromechanical Modeling of Ductile Cast Iron Incorporating Damage, Part I: Ferritic Ductile Cast Iron , Int. J. Solids Struct. , Vol 42 ( No. 5–6...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002413
EISBN: 978-1-62708-193-1
... Components Conf. (Atlanta, GA) , IEEE , 1991 24. Zubelewicz A. , Micromechanical Study of Ductile Polycrystalline Materials , J. Mech. Solids , Vol 41 , 1993 , p 1711 – 1722 10.1016/0022-5096(93)90028-E 25. Zubelewicz A. , “Micromechanical Approach to Model Solder Materials...