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non-linear fracture toughness testing

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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
... toughness testing for ceramic and polymer materials is provided. fracture toughness fracture toughness test methods linear-elastic fracture toughness testing non-linear fracture toughness testing transition fracture toughness test method ceramics weldments polymers FRACTURE TOUGHNESS...
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
... Abstract This article describes the test methods of fracture 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...
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
...Abstract Abstract This article discusses the conditions for collapse in center-cracked panels and describes the energy criterion 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...
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
.... McGlockton M.A. , McMeeking R.M. , and Cox B.N. , “A Model for the Axial Strength of Unidirectional Ceramic Matrix Fiber Composites,” to be published, 2001 22. Neuber H. , Theory of Stress Concentration for Shear-Strained Prismatic Bodies with Arbitrary Non-Linear Stress-Strain...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002378
EISBN: 978-1-62708-193-1
... be virtually linear and the crack front must be essentially straight. If these requirements are met, the toughness is calculated using expressions provided by the ASTM standard E-399. For the CT specimen, the expression for calculating the fracture toughness from experimentally measured quantities is: (Eq 15...
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
....1151-2916.1989.tb05947.x 44. Salem J.A. , Shannon J.L. Jr. , and Jenkins M.G. , Some Observation on Fracture Toughness and Fatigue Testing with Chevron-Notched Specimens, STP 1172 , Chevron-Notch Fracture Test Experience: Metals and Non-Metals , Brown K.R...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001343
EISBN: 978-1-62708-173-3
... mechanics, and it can use either linear elastic or elastic-plastic methodologies. Although elastic-plastic behavior ( J Ic ) is becoming of interest in some cases, the bulk of fracture mechanics testing is based on linear elastic considerations. These tests, using specimens and procedures given in ASTM E...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... Toughness , Eng. Fract. Mech. , Vol 5 , 1973 , p 55 – 66 10.1016/0013-7944(73)90007-6 65. Jordan H.J. , Wegner M. , and Tiziani H. , Highly Accurate Non-contact Characterization of Engineering Surfaces Using Confocal Microscopy , Meas. Sci. Technol. , Vol 9 , 1998 , p 1142...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006462
EISBN: 978-1-62708-190-0
... properties. Pressure vessel material specifications typically include minimum “reduction of area” at fracture, and in some cases minimum impact energy (e.g., Charpy tests). These measurements serve as simpler proxy tests implying a certain level of fracture toughness. Sufficient toughness means the critical...
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
... of fracture mechanics. The fracture mechanics approach is an important part of stress analysis at the tips of sharp cracks or discontinuities. The article reviews fracture mechanics concepts, including linear elastic fracture mechanics, elastic-plastic fracture mechanics, and subcritical fracture mechanics...
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
...-electric crystal principle Rebound Mechanical Electronic (EQUO) method Source: P.F. Aplin, Classification and Solution of Portable Hardness-Testing Equipment, Non-Destructive Testing, Vol 1, Elsevier Science Publishers, 1989, p 683–688 The Brinell hardness test is basically simple...
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
... method Cylinder type Horizontal bar type Dynamic Reaction force Piezo-electric crystal principle Rebound Mechanical Electronic (EQUO) method Source: P.F. Aplin, Classification and Solution of Portable Hardness-Testing Equipment, Non-Destructive Testing, Vol 1, Elsevier Science...
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
... mechanics analysis linear elastic fracture mechanics analysis stress analysis equations stress analysis THE STRESSES acting on a component may cause unacceptable deformation, cracking, or fracture. By definition, after a stress-related failure has occurred, it is a given that the stresses reached...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006305
EISBN: 978-1-62708-179-5
... test as a function of hardness for 2.9%C, 19%Cr, 2.4%Mo, 0.9%Cu iron subjected to various heat treatments. Source: Ref 1 Fig. 6 Abrasive wear resistance vs. fracture toughness for a 2.9%C, 19%Cr, 2.4%Mo, 0.9%Cu iron subjected to various heat treatments. Wear resistance expressed...
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
... deformation has been estimated to be greater by several orders of magnitude than through the creation of new surfaces alone. The rough appearance of the hackle regions is due to both the occurrence of plastic flow on the fracture surface and the presence of non-coplanar crack surfaces. Because hackle...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002404
EISBN: 978-1-62708-193-1
... (type 310); Ref 138 , 156 , 157 (type 310S) Fig. 35 Summary of −269 °C toughness as a function of yield strength. The solid line represents a least-squares exponential regression of the data, and the dashed lines correspond to linearized 90/95% tolerance limits. Source: Ref 137 , 158...
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
... . 28. Chandwani R. and Timbrell C. , “Simulation of 3-D Non-Planar Crack Propagation,” NAFEMS World Congress 2007 , May 22–25, 2007 ( Vancouver, Canada ). This chapter focuses on linear elastic fracture mechanics where the stress field at the crack tip can be described...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... The article describes testing methods such as room and high-temperature strength test methods, proof testing, fracture toughness measurement, and hardness and wear testing. It also explains methods for determining thermal expansion, thermal conductivity, heat capacity, and emissivity of ceramics and glass...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.9781627081948
EISBN: 978-1-62708-194-8
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003086
EISBN: 978-1-62708-199-3
... the Section on “Mechanical Testing” in this Handbook). A special measure of toughness is used in linear fracture mechanics called fracture toughness (the ability of a material to resist fracture when a crack is present). This is a scaling factor, also called the critical stress-intensity factor, K...