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microcrack analysis

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009079
EISBN: 978-1-62708-177-1
...× objective Fig. 15 Microcracks in the intraply region of an interlayer-toughened carbon fiber composite material that terminated at the interlayer region. Epi-fluorescence, 390–440 nm excitation, 25× objective Abstract Abstract This article describes the microcrack analysis of composite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... morphology. Likewise, more information about microcracks in composites and fracture areas may also be possible from viewing the features in more than one dimension. Techniques for analysis of voids and microcracks in composite materials are described in the articles, “Void Analysis of Composite Materials...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003299
EISBN: 978-1-62708-176-4
... without any possibility for recovery of the intact but microcracked specimen for post-test quantification and analysis. Moreover, the rectangular pulse with its steep rise in stress level can impose a nonuniform strain rate during the elastic deformation of the ceramic due to the differences between...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009085
EISBN: 978-1-62708-177-1
... Fig. 1 Photograph of a painted carbon-fiber-reinforced composite part surface after a zone 1A lab-induced lightning strike. Two cross ions were taken from this area after impregnation with a casting resin. The cross sections for microscopic analysis are labeled “A” and “B,” and the direction...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002356
EISBN: 978-1-62708-193-1
.... 4 Cross section of a microcrack Fig. 5 Grain boundary (GB) effect on microcrack growth in an Al alloy. Source: Ref 4 Abstract Abstract This article summarizes fatigue phenomena in metallic materials. It discusses fatigue under variable-amplitude (VA) loading, with emphasis...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002353
EISBN: 978-1-62708-193-1
... Initiation of Microcracks Propagation and Coalescence of Microcracks Growth of Macrocracks Coarse Motion Control Fine Motion Control Tip Preparation Vibration Isolation Data Acquisition and Analysis Threshold and Near-Threshold Growth of Macrocracks Paris Relation Region of Fatigue...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005982
EISBN: 978-1-62708-168-9
... 21 Fig. 12 Intergranular fracture from the overload fracture zone in the case of a carburized SAE 8620 steel. Scanning electron microscope (SEM) micrograph. Source: Ref 14 Fig. 15 Microcracks in martensite plates of an Fe-1.86C alloy. Light micrograph. Source: Ref 42...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002355
EISBN: 978-1-62708-193-1
... energy, γ. This summary covers materials that were well annealed before cycling. Fig. 16 Microcrack density in dependence on relative number of cycles in α-iron for two strain amplitudes. ε a , strain amplitude; N , number of cycles; N f , number of cycles to fracture Fig. 4...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000618
EISBN: 978-1-62708-181-8
... the fatigue fracture, microcrack, and stair-step fracture surface of these alloys. cobalt alloys fatigue fracture fractograph surgical implants Fig. 881, 882 Fatigue fracture of a cast Vitallium (Co-30Cr-7Mo) surgical implant (side plate of Jewett nail) due to improper insertion. A tool used...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003464
EISBN: 978-1-62708-195-5
... composite (80×). Note the lack of contrast of the glass fabric when compared to the carbon fibers. Fig. 16 Dark-field image (200×) of a nylon fiber composite with Magnaflux Spotcheck Penetrant SKL-H (Magnaflux, Glenview, IL). The transverse fibers and microcracks appear red. This technique works...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... research, practical fracture analysis is achievable from examining deformation events within the resolution of optical and scanning electron microscopy (SEM). Irreversible deformation mechanisms in polymers may fall into two basic categories: dilatational, such as crazes, voids, and microcracks...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009083
EISBN: 978-1-62708-177-1
... uncrossed polarized light, 10× objective Fig. 6 (a) Micrograph of a honeycomb sandwich structure composite after climbing drum peel testing showing areas of the core remaining on the aramid fiber composite facesheet. The microcrack pattern of the composite facesheet was enhanced by the use...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002418
EISBN: 978-1-62708-193-1
... , Vol 43 , 1995 , p 343 10.1016/0022-5096(94)00077-I 37. Budiansky B. and Amazigo J.C. , paper presented at IUTAM Symposium on Nonlinear Analysis of Fracture , International Union of Theoretical and Applied Mechanics, Sept 1995 38. Morgan P.E.D. and Marshall D.B...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001239
EISBN: 978-1-62708-170-2
... H6; ▪ cubic boron nitride. (a) Residual stress perpendicular to grinding. (b) Residual stress parallel to grinding Abstract Abstract Thermal phenomena play a key role in the mechanics of surface finishing processes. This article provides information on the analysis and measurement...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003759
EISBN: 978-1-62708-177-1
... conditions. (a) First nearest-neighbor distribution. (b) Second nearest-neighbor distribution. Source: Ref 95 Fig. 1 Areal analysis. (a) Gray scale microstructural image of a metal-matrix composite depicting SiC particles in an aluminum alloy matrix. (b) Binary image of microstructure...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002417
EISBN: 978-1-62708-193-1
... Years' Experience with Alumina-Ceramic Total Hip-Joint Endoprostheses: A Clinical, Histological and Tribological Analysis , Conf. Proc. Bioceramics and the Human Body ( Faenza, Italy , 2–5 April 1991 ), Elsevier Applied Science, Essex, U.K., 1992 , p 17 – 25 10.1007/978-94-011-2896-4_2 37...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003367
EISBN: 978-1-62708-195-5
... Density at 25 °C (77 °F), g/cm 3 1.21 1.17 1.23 1.14 1.24 1.19 1.18 Supplier Vantico, Mitsubishi Chemical Vantico Vantico Vantico Vantico, Lonza Vantico Vantico (a) DMA, dynamic mechanical analysis; TGA, thermogravimetric analysis Composite properties of 180 °C (360 °F...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003833
EISBN: 978-1-62708-183-2
... Electroplating , 3rd ed. , John Wiley & Sons , 1974 • Morisset P. , Chromium Plating , Robert Draper, 1954 Corrosion of Chromium Electrodeposits Optimizing Corrosion Resistance Duplex Coatings Corrosion-Resistance Data Applications Microribbons or Microcracks Substrate...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001244
EISBN: 978-1-62708-170-2
... 150:1 Operating temperature 38–49 °C (100–120 °F) 52–54 °C (125–130 °F) Cathode current density 810 – 1885 A/m 2 (75 – 175 A/ft 2 ) 2690 – 3230 A/m 2 (250 – 300 A/ft 2 ) Bath compositions and conditions for plating microcracked chromium Table 3 Bath compositions and conditions...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003468
EISBN: 978-1-62708-195-5
... Fig. 1 Initiation of fatigue microcracks in metal-matrix composites. (a) A fatigue microcrack initiated from a fractured Micral-20 (mullite-alumina) reinforcement particle in Comral- 85 (6061-20% Micral-20). Note that the reinforcement particle has fractured across its vertical equatorial...