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Schematic representation of damage process in woven-fabric composites durin...
Published Online: June 20, 2022
Fig. 1 Schematic representation of damage process in woven-fabric composites during fatigue [ 2 ]: ( a ) no damage, ( b ) transverse Matrix cracking, ( c ) fatigue life, ( d ) delamination at crossover points, and ( e ) fiber fracture and fiber splitting in warp bundles Schematic representation ... More
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Finite element model details: ( a ) global FE model, ( b ) fractography of ...
Published Online: June 20, 2022
Fig. 2 Finite element model details: ( a ) global FE model, ( b ) fractography of the Teflon insert, and ( c ) FE mesh refinement around the flaw Finite element model details: (a) global FE model, (b) fractography of the Teflon insert, and (c) FE mesh refinement around the flaw More
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Stress distribution calculated along the edges of the flaw: ( a ) schematic...
Published Online: June 20, 2022
Fig. 3 Stress distribution calculated along the edges of the flaw: ( a ) schematic details of the specimen and location of the flaw inside the composite, ( b ) normal stress S z , and ( c ) shear stress S xz Stress distribution calculated along the edges of the flaw: (a) schematic detai... More
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Normal and shear stresses through the thickness of the specimen: ( a ) bott...
Published Online: June 20, 2022
Fig. 4 Normal and shear stresses through the thickness of the specimen: ( a ) bottom side, ( b ) left side, ( c ) top side, and ( d ) right side of the inserted flaw Normal and shear stresses through the thickness of the specimen: (a) bottom side, (b) left side, (c) top side, and (d) right side ... More
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Typical failure modes observed for no-flaw specimen NFS1 (top) and with-fla...
Published Online: June 20, 2022
Fig. 9 Typical failure modes observed for no-flaw specimen NFS1 (top) and with-flaw specimen WFS1 (bottom) Typical failure modes observed for no-flaw specimen NFS1 (top) and with-flaw specimen WFS1 (bottom) More
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( a ) Ultrasound testing C-scan result and ( b ) through the thickness X-ra...
Published Online: June 20, 2022
Fig. 10 ( a ) Ultrasound testing C-scan result and ( b ) through the thickness X-ray analysis results (a) Ultrasound testing C-scan result and (b) through the thickness X-ray analysis results More
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Acoustic signals features: ( a ) peak frequency versus duration and ( b ) d...
Published Online: June 20, 2022
Fig. 12 Acoustic signals features: ( a ) peak frequency versus duration and ( b ) duration versus lifespan Acoustic signals features: (a) peak frequency versus duration and (b) duration versus lifespan More
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Location of AE events for NFS1 (top) and WFS1 (bottom) over: ( a ) 20%, ( b...
Published Online: June 20, 2022
Fig. 13 Location of AE events for NFS1 (top) and WFS1 (bottom) over: ( a ) 20%, ( b ) 50%, and ( c ) 100% of the fatigue life Location of AE events for NFS1 (top) and WFS1 (bottom) over: (a) 20%, (b) 50%, and (c) 100% of the fatigue life More
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Normalized stiffness degradation of ( a ) NFS and ( b ) WFS, over the norma...
Published Online: June 20, 2022
Fig. 14 Normalized stiffness degradation of ( a ) NFS and ( b ) WFS, over the normalized fatigue life measured using DIC Normalized stiffness degradation of (a) NFS and (b) WFS, over the normalized fatigue life measured using DIC More
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Evolution of the longitudinal strain field over the normalized fatigue life...
Published Online: June 20, 2022
Fig. 15 Evolution of the longitudinal strain field over the normalized fatigue life Evolution of the longitudinal strain field over the normalized fatigue life More
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( a ) Comparison of the average longitudinal strain field between global an...
Published Online: June 20, 2022
Fig. 16 ( a ) Comparison of the average longitudinal strain field between global and flaw zone over the normalized fatigue life and ( b ) Normalized stiffness degradation on flaw area over normalized fatigue life (a) Comparison of the average longitudinal strain field between global and flaw zon... More
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Wave velocity decay over normalized fatigue life for ( a ) NFS and ( b ) WF...
Published Online: June 20, 2022
Fig. 18 Wave velocity decay over normalized fatigue life for ( a ) NFS and ( b ) WFS Wave velocity decay over normalized fatigue life for (a) NFS and (b) WFS More
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Ti–6Al–4V specimens: ( a ) baseplate with as-built deposition, ( b ) basepl...
Published Online: June 20, 2022
Fig. 1 Ti–6Al–4V specimens: ( a ) baseplate with as-built deposition, ( b ) baseplate with glazed deposition, and ( c ) baseplate. One 76 mm × 38 mm section of each deposition is end-milled and polished. The glazed surface has higher reflectivity than the as-built surface. Ti–6Al–4V specimens: (... More
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Three-dimensional and 1D surface profiles for Ti–6Al–4V: ( a ) polished bas...
Published Online: June 20, 2022
Fig. 2 Three-dimensional and 1D surface profiles for Ti–6Al–4V: ( a ) polished baseplate, ( b ) as-built specimen, and ( c ) glazed specimen. Note that the z -axis scales vary. Three-dimensional and 1D surface profiles for Ti–6Al–4V: (a) polished baseplate, (b) as-built specimen, and (c) glazed... More