1-20 of 359 Search Results for

fracture toughness

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410213
EISBN: 978-1-62708-265-5
... strength and toughness, continuous and discontinuous yielding behaviors, and dispersion and solid-solution strengthening processes. aging deformation ductile-to-brittle transition ferrite fracture microstructure strengthening AT SOME STAGE OF PROCESSING, the matrix microstructure of all...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... properties is available to designers and engineers. However, this chapter emphasizes the more basic properties of terminal alloys: hardness; tensile strength; ductility; creep, stress-rupture, and fatigue strengths; toughness; and fatigue crack growth rate (FCGR). The fracture mechanics approach to lifing of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
... matrix) structures are generally not acceptable except where superior fracture toughness is required. The yield strength of Ti-6Al-4V at 970 °C (1775 °F), which is 30 °C (50 °F) below the beta transus, is 41.4 MPa (6 ksi) at a strain rate of 5 mm/mm/min (5 in./in./min); at 930 °C (1700 °F), yield...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... not have an adverse effect on tensile properties, high- or low-cycle fatigue, FCGR, fracture toughness, creep rate, or creep-rupture strength of castings. This is because the weld zone develops a cast structure that is very similar to the overall cast part microstructure. Two types of heat...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... Abstract Fracture mechanics is a well-developed quantitative approach to the study of failures. This chapter discusses fracture toughness and fracture mechanics, linear-elastic fracture mechanics, and modes of loading. The discussion also covers plane strain and stress and crack growth kinetics...
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
... with the steps involved in determining strain energy release rates, stress intensity factors, J-integrals, R-curves, and crack tip opening displacement parameters. It also covers fracture toughness testing methods and the effect of measurement variables. crack tip opening displacement elastic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... Abstract This chapter provides information and data on the fatigue and fracture properties of steel, aluminum, and titanium alloys. It explains how microstructure, grain size, inclusions, and other factors affect the fracture toughness and fatigue life of these materials and the extent to which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
..., it covers general characteristics, viscoelastic properties, and static strength. It also discusses fatigue life, impact strength, fracture toughness, and stress-rupture behaviors as well as environmental effects such as plasticization, solvation, swelling, stress cracking, degradation, and surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... at the welded steel joints. Selection of increased toughness material Improved fabrication practices Development of fracture mechanics Liquefied natural gas (LNG) storage tank 1944 Failure and explosion of an LNG pressure vessel due to a possible welding defect and improperly heat treated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... intensity and toughness. However, with the fracture condition of K = toughness (in the upset condition, at the stress σ cu ), fracture would occur if Y p σ p π a p = toughness . If the actual stress intensity must be smaller by a factor of 10 , it follows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... 2%. Ductile behavior is also associated with high energy absorption at fracture, and adequate toughness or ductility is often defined by impact data, where criteria to determine whether the fracture is ductile or brittle involve some minimum level of absorbed energy at the service temperature of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... and the matrix, the matrix transmits loads from the matrix to the fibers through shear loading at the interface. In ceramic-matrix composites, the objective is usually to increase the toughness rather than the strength and stiffness, and a low-interfacial-strength bond is therefore desirable. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... the fatigue life of welded joints and discusses the factors that can reduce the fracture toughness of weld metals. bolted joints fatigue life fracture toughness rivets welded joints FAILURE IN ENGINEERING STRUCTURES are still common today, despite the fact that modern tools for...
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
... strength steel as possible to maximize fatigue life because, as the tensile strength increases, the fracture toughness decreases and environmental sensitivity increases. In addition, the endurance limit of high-strength steels is extremely sensitive to surface condition, residual stress state, and the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... sections and/or very ductile materials, where the conditional constraint for linear elastic fracture mechanics may not apply. In this case, the measure of toughness is plane-stress fracture toughness ( K c ) and requires the use of elastic-plastic fracture mechanics, because the process of unstable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610025
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the stress-strain response of materials, how it is measured, and how it used to set performance expectations. It begins by describing the common tensile test and how it sheds light on the elastic design of structures as well as plasticity and fracture behaviors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... Abstract This chapter compares and contrasts the high-temperature behaviors of metals and composites. It describes the use of creep curves and stress-rupture testing along with the underlying mechanisms in creep deformation and elevated-temperature fracture. It also discusses creep-life...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... (including strength, fatigue resistance, fracture toughness, corrosion resistance, and elevated-temperature resistance) is also a design deficiency. Materials can exhibit anisotropy, or variability in properties within a product, such as between the thick and thin portions of a casting or between the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... of K , must be known, as well as other factors such as operating stresses, initial crack length, fracture toughness of the material, and the geometry of the part in which the crack is embedded. These concepts are illustrated in the following example. Uniform corrosion is the fairly uniform...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
..., microfracture. This occurs when forces applied by the abrasive grain exceed the fracture toughness of the material. This is often the predominant mode of severe wear for ceramic materials, and it is active in brittle materials such as white cast irons. In general, abrasive wear may sometimes be reduced or...