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hygrothermal buckling

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003385
EISBN: 978-1-62708-195-5
... stiffness effects. The article presents the study of instability associated with postbuckling behavior and hygrothermal buckling in composite sandwich panels and shell panels. composites orthotropic plates anisotropic plates unsymmetric plates transverse shear stiffness postbuckling hygrothermal...
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
... address: Stress-strain relationship for membrane and bending response Thermal and moisture effects Inelastic behavior Strength and failure Interlaminar stresses The article “Hygrothermal Behavior” illustrates the importance of considering thermal and moisture effects. The article...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002478
EISBN: 978-1-62708-194-8
... with increasing load until the remaining fibers fail (“bundle strength”) ( Ref 2 ) ( Fig. 3a ). There are two problems: (1) no load is carried by a broken or discontinuous fiber, and (2) fibers buckle at very low loads in compression because of their small diameter. Man learned many centuries ago that twisting...
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
... 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 Criteria for evaluating computer programs for composites structural analysis include database...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003393
EISBN: 978-1-62708-195-5
... shear) Temperature Buckling Fiber Linear Fiber alignment Crippling Fiber Linear Element geometry In-plane strength Tension Fiber Linear Low temperatures Compression Matrix/interface Some nonlinearity Moisture/elevated temperature Shear Interface Nonlinear Moisture...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003457
EISBN: 978-1-62708-195-5
... inspection revealed honeycomb cell wall buckling near the dents and fluid ingress near the visible skin damage. Testing on sections cut from the cowls showed no change in four-point bending, flatwise tensile strength, thermal analysis, and a moisture content of 1.2% by weight. Rolls Royce concluded, “In view...
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
..., the bundle functions like a rope. However, if compressive load is applied to the bundle in the fiber direction, the bundle will buckle at once; its stiffness for this load is zero. This is in contrast to the UDC, which has the same stiffness for compressive and tensile loads, because the matrix prevents...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003442
EISBN: 978-1-62708-195-5
... Composite Materials.” These topics are addressed in the article “Hygrothermal Behavior” in this Volume. Glass Transition Temperature The glass transition of a polymer-matrix composite is a temperature-induced change in the matrix material from the glassy to the rubbery state during heating, or from...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006929
EISBN: 978-1-62708-395-9
.... The polymer matrix is subject not only to damage mechanisms but also to interfacial and stress-cracking mechanisms. One example of interfacial failure is the loss of compressive strength in carbon-fiber-reinforced epoxy composites under hot and wet conditions. Fiber buckling is a result of interfacial failure...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003487
EISBN: 978-1-62708-195-5
... and C-stage. to 95% carbon, while graphite bers are posite. buckling (composite). A mode of failure gen- graphitized at 1900 to 2480 C (3450 to 4500 cermet. Composite materials consisting of two erally characterized by an unstable lateral ma- F) and assay at more than 99% elemental car- constituents...
Book

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5