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isotropic material

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Published: 01 November 2010
Fig. 1.4 Element of isotropic material under stress More
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Published: 01 August 2005
Fig. 1.61 Basic modes of crack surface displacements for isotropic materials More
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Published: 01 August 2005
Fig. 8.25 Comparison of Bowie factors for anisotropic and isotropic materials. Source: Ref 8.26 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870001
EISBN: 978-1-62708-314-0
... Abstract This chapter covers the basic aspects of composite materials. It describes the arrangement, form, and function of their constituent materials and explains how they perform better in combination than on their own. It discusses the directional nature of isotropic, anisotropic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400053
EISBN: 978-1-62708-316-4
... 1 , J 2 , and J 3 are the deviatoric stress invariants. Among the invariants, the second invariant, J 2 , is widely used in theory of plasticity to describe yielding of the material. 5.5 Isotropic Yield Criteria (Flow Criteria) Yield criteria define the condition for the limit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... Abstract Structural and fracture mechanics-based tools for metals are believed to be applicable to nonmetals, as long as they are homogeneous and isotropic. This chapter discusses the essential aspects of the fatigue and fracture behaviors of nonmetallic materials with an emphasis on how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400027
EISBN: 978-1-62708-316-4
... on the tensile response of isotropic and anisotropic materials, and how infinitesimal strains or strain rates are used to express and analyze instantaneous deformation and local stain. It also discusses the concept of principal strain and strain paths and explains how to determine, and when to use, equivalent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... composites is that they can be fabricated using processing techniques similar to those commonly used for unreinforced-matrix materials, which makes them more cost effective. In addition, discontinuously reinforced composites have relatively more isotropic properties than continuously reinforced composites...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870421
EISBN: 978-1-62708-314-0
... deals with stresses, strains, and deformations in engineering structures subjected to mechanical and thermal loads. The analysis of composite structures is more complicated than that of conventional metallic structures. While metallic structures can usually be treated as isotropic materials in which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540373
EISBN: 978-1-62708-309-6
... or elliptical), hole size to sheet width ratio, and material (isotropic or orthotropic). A2.1 Infinite Sheet For the case of an isotropic sheet, stress-concentration factors at the tip of the major axis of an elliptical hole in an infinite sheet have been given by Inglis ( Ref A2.2 ) as: (Eq A2.1a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... analysis. composites fracture toughness testing peel testing shear testing specimen preparation tension testing WHEN HIGH-STRENGTH composites were first developed in the 1960s, the same test methods for homogeneous and isotropic metals were initially used; however, since composite materials...
Image
Published: 01 August 2005
Fig. 8.28 Comparison of G 1 and G 2 interaction behavior for three quasi-isotropic PMC materials. ■, graphite/epoxy with F185 toughened resin; O, C6000/H205 graphite/epoxy; ♦, IM7/E7T1-2 graphite/epoxy; dotted line enclosure shows scatter of 27 data points of glass-textile/epoxy; solid More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040084
EISBN: 978-1-62708-428-4
... Resistance Strain Gages.” Additional published papers are cited throughout this document and listed in the “References” section of this document. Terminology isotropic material. A material that has a Young's modulus and Poisson's ratio that are the same in all directions. layer removal method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... in that reasoning because, for any given fiber, there will always be a component of thermal expansion constraint that is perpendicular to that fiber. If several plies of unidirectional composite are stacked to form a global quasi-isotropic material, the constrained thermal expansion of the matrix material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540431
EISBN: 978-1-62708-309-6
... Organization for Standardi- homogeneous. Descriptive term for a material zation. of uniform composition throughout; a me- dium that has no internal physical boundaries. isotropic. Having uniform properties in all di- The properties of a homogeneous material are rections. The measured elastic properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860001
EISBN: 978-1-62708-348-5
.... Since solids resist both volume change and shape change, they have at least two independent elastic constants. A low-symmetry crystal may have as many as 21 independent elastic constants. Most materials considered in this chapter are quasi-isotropic; their macroscopic elastic constants do not depend...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860151
EISBN: 978-1-62708-338-6
..., when wet, will not slip on the man- isotropic. Having uniform properties in all drel surface and will exhibit uniform tension directions. The measured properties of an throughout their length under pressure load- isotropic material are independent of the axis ing. of testing. glass. An inorganic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
..., damage tolerance, and testing and certification. composite laminates continuous carbon-fiber composites continuous-fiber polymer-matrix composites damage tolerance fatigue failure mechanisms A COMPOSITE MATERIAL can be defined as a combination of two or more materials that results...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... for the particular laminate pattern, joint geometry, and environmental conditions. For a perfectly plastic material, the value of C is 0, and for a purely brittle material, the value of C is 1.0. The value of C is close to 0.25 for 0.25 in. (6.5 mm) bolts in quasi-isotropic carbon/epoxy laminates. The value...