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crack growth rate

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
... growth rates in each of the three stages of progression. Using images, diagrams, and data plots, it reveals how cracks advance in step with successive stress cycles and explains how fatigue crack growth rates can be determined by examining striations on fracture specimens and correlating their widths...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090341
EISBN: 978-1-62708-266-2
... produce immediate failure. It describes crack growth mechanisms, explains how to measure crack growth rates and predict time to failure, and provides crack growth data for a number of materials and environments. ceramics environmentally enhanced crack growth glass stress-corrosion cracking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... international consensus is that the three with the greatest impact on crack growth rates are the formation of material defects, radiation-induced segregation, and chemical reactions that increase the corrosion potential of water. The chapter discusses each of these in great detail, and includes information on...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... they can be optimized. It also discusses the effect of metalworking and heat treatment, the influence of loading and operating conditions, and factors such as corrosion damage that can accelerate crack growth rates. aluminum alloys fatigue fracture fracture toughness steel titanium alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... residual stress can be calculated for various crack lengths along the potential crack path. Fatigue crack growth rates can be determined from the crack growth rate of the material and the cyclic stress intensity. This procedure is illustrated in Fig. A3.2 . Fig. A3.2 Schematic illustration of crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240117
EISBN: 978-1-62708-251-8
... then decreases with time. On the other hand, recrystallization, which is a nucleation and growth process, starts slowly and then builds up to a maximum rate before rapidly leveling off. Accordingly, isothermal recrystallization curves are typically sigmoidal in shape ( Fig. 8.12 ) where there is an...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
...-established experimental evidence and observations of stress corrosion, while the discussions on mechanisms describe the physical process involved in crack initiation and propagation. Several parameters that are known to influence the rate of crack growth in aqueous solutions are presented, along with...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
..., as well as the rate of bulk transport to the crack tip ( Ref 1.14 , 1.15 ). Several different environmental parameters are known to influence the rate of crack growth in aqueous solutions. These include, but are not limited to: Temperature Pressure Solute species Solute...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... chapter describes some of methods used to determine maximum permissible crack size and predict growth rates. It explains how the information can then be used to control fractures through periodic inspection, fail-safe features, mandated retirement, and proof testing. It presents a number of fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
... rate, the use of fracture indices and failure criteria, and the ramifications of crack-tip plasticity in ductile and brittle fractures. It goes on to describe the different types of plain-strain and plane-stress fracture toughness, explaining how they are measured and how they are influenced by...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540281
EISBN: 978-1-62708-309-6
... time-dependent fracture mechanics. It also introduces two new fracture indices, the J-integral for handling large-scale yielding and the C*-integral for creep crack growth, providing close-form and handbook solutions for each. C*-integral creep crack growth rate J-integral nonlinear fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... homogenization, and the cause of casting defects, including cracking and splitting, segregation, porosity, and grain growth. aluminum alloys billets casting casting defects The extrusion process consists of four major components, hydraulic press, die, tooling, and billet casting. In the previous...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... Determination of Slow Crack Growth Parameters of Advanced Ceramics by Constant-Stress Rate Flexural Testing at Ambient Temperature C 1421 Standard Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature Japanese Standards Association (JIS) R 1607 Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... Mostovoy S. , Crosley R.B. , and Ripling E.J. , Use of Crackline Loaded Specimens for Measuring Plane Strain Fracture Toughness , J. Mater. , Vol 2 ( No. 3 ), 1967 , p 661 – 681 17.44 Sprowls D.O. and Walsh J.D. , Evaluating Stress-Corrosion Crack Propagation Rates in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420429
EISBN: 978-1-62708-310-2
... and hot cracking are more prevalent in castings with a coarse grain size. Grain size is a function of pouring temperature, solidification rate, and the presence or absence of a grain-refining agent. Low pouring temperatures, faster solidification rates, and grain refiners, such as titanium and boron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... to crack propagation and how stress concentrations affect fatigue life. It also discusses fatigue life improvement methods and design approaches. fatigue crack growth rates fatigue crack initiation fatigue failures fatigue-life prediction high-cycle fatigue low-cycle fatigue FATIGUE...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... feature of subcritical crack growth is the significant increase in crack growth rate from the K ISCC to stage II, where the crack velocity remains fairly independent of K until K Ic is approached. This latter effect is further illustrated in Fig. 3.16 ( Ref 3.32 ). Fig. 3.14 Effect of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... propagation of the material as a function of crack growth. With increasing load in a cracked structure, the crack extension force ( G ) at the crack tip increases. However, the material at the tip presents a resistance ( R ) to crack growth. According to Irwin, failure will occur when the rate of change of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
.... , Vol 8 , 1973 , p 182 10.1179/000705973798322116 7.8 Bradford S.A. and Lee T. , Effect of Strain Rate on Stress Corrosion Cracking of Brass , Corrosion , Vol 34 ( No. 3 ), 1978 , p 96 10.5006/0010-9312-34.3.96 7.9 Mattsson E. , Stress Corrosion in Brass...