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nonlinear fracture toughness testing

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002380
EISBN: 978-1-62708-193-1
... toughness, namely, linear-elastic and nonlinear fracture toughness testing methods. Linear-elastic fracture toughness testing includes slow and rapid loading, crack initiation, and crack arrest method. Nonlinear testing comprises J IC testing, J-R curve evaluation, and crack tip opening displacement (CTOD...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003306
EISBN: 978-1-62708-176-4
... parameter. After this, the methods that use the nonlinear parameters are discussed. The article reviews some of the work in progress to update the standard test methods, namely, common fracture toughness test method and transition fracture toughness test method. Finally, an overview of fracture toughness...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002383
EISBN: 978-1-62708-193-1
... for fracture. Measurement of toughness of any material by means of tensile and crack test is discussed. The procedures to be followed for linear elastic fracture mechanics cases are reviewed, along with elastic-plastic fracture mechanics and plastic fracture mechanics procedures with the aid of residual...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003469
EISBN: 978-1-62708-195-5
... fracture surface indicative of nonlinear, energy-absorbing stress-strain behavior (good toughening behavior of CMCs); 0°/90° laminate Nicalon fiber reinforced calcium aluminosilicate (CAS) glass-matrix composite. Source: Ref 4 Fig. 4 Flat, nearly featureless fracture surface indicative...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003312
EISBN: 978-1-62708-176-4
... methods developed to characterize the fracture behavior of brittle solids with examples. These include the fracture toughness test method and R-curve test method at ambient and elevated temperatures. The article also includes information on the evaluation of fracture-toughness test results...
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
.... A related feature is the mechanical anisotropy of CFCCs with most common (two dimensional) fiber architectures. Fracture resistance The increase in fracture resistance due to fiber pullout is typically much greater than the intrinsic composite toughness (in the absence of bridging). Additionally...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006457
EISBN: 978-1-62708-210-5
...; S-L, short-longitudinal. (c) Parallel to grain flow. (d) Nonparallel to grain flow. Source: Ref 6 Table 2 Typical fracture toughness values measured on the same lot of a high-toughness 7475-T7351 aluminum alloy plate Specified test method Typical L-T toughness (a) MPa...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
...Abstract Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
.... References References 1. O'Brien T.K. , Interlaminar Fracture Toughness: The Long and Winding Road to Standardization , Compos. B: Eng. , Vol 29B , 1998 , p 57 – 62 10.1016/S1359-8368(97)00013-9 2. O'Brien T.K. and Martin R.H. , Round Robin Testing for Mode I...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... the deformation mechanisms are very different, EPFM theory is valid for both metals and CMCs. Unfortunately, the complex nature of the processes that cause the nonlinear fracture behavior in CMCs complicates the experimental application of EPFM methods to CMCs. The following section describes toughness tests...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... brittle fracture-surface orientation in tensile loading and the difference in fracture toughness for plane-stress and plane-strain loading (see the section “Fracture Mechanics” in later paragraphs). The difference in plane-stress and plane-strain loading is also important in understanding differences...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... biaxial tension). As a result, modeling of plastic flow typically utilizes the nonlinear distortion energy criterion or its anisotropic equivalent, the Hill criterion (see the appendix in the article “Mechanisms and Appearances of Ductile and Brittle Fracture in Metals” in this Volume). This section...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... reliable than formal fracture toughness tests, simply because the deleterious effects of unfavorable flow geometries are more directly obvious in an impact test program than in fracture toughness tests, in which the sharp notch dominates the situation. This sensitivity to flow geometry carries...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002416
EISBN: 978-1-62708-193-1
... with a 25.4 mm diam tup to filled and empty 36 mm thick AS4/HBRF-55A filament-wound cases Fig. 24 Constant amplitude compression fatigue for [45/0/−45/90] 6s laminates with impact damage resulting in 2.54 mm dent Fig. 25 Fracture toughness for center-crack, compact, and three-point...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003324
EISBN: 978-1-62708-176-4
... in the measurement of adhesive joint strength. These include qualitative tests, peel tests, lap shear tests, tensile tests, and adhesive fracture mechanics tests. adhesive fracture adhesive joints lap shear test mechanical strength peel test qualitative test tensile test MOST ENGINEERING DESIGNS...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005419
EISBN: 978-1-62708-196-2
... range (Δ K ) showing the decreasing crack-growth rate region (I), the linear (or Paris law) region (II), and the accelerating region (III) There are other, more elegant, ways to model the fatigue crack-growth curve that capture the nonlinearity near threshold and fracture toughness, that is, have...
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
... composites (MMCs). It discusses the elastic deformation and elastic-plastic deformation analysis of discontinuously reinforced MMCs. The article provides an overview of analysis of strength, fatigue, and fracture toughness for macromechanics fiber-reinforced and discontinuous reinforced composites...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003443
EISBN: 978-1-62708-195-5
... Using a Sandwich Beam D 5528 Standard Test Methods for Mode I Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer-Matrix Composites D 6415 Standard Test Method for Measuring the Curved Beam Strength of a Fiber-Reinforced Polymer-Matrix Composite ISO standard (b...