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mechanical stress response

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730023
EISBN: 978-1-62708-283-9
... MECHANICAL BEHAVIOR of a material is how it deforms or breaks when it is stressed. When a force is applied to a solid material, there are three possible responses. The material may deform elastically which means it will regain its original shape when the force is removed. Springs and rubber bands deform...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240201
EISBN: 978-1-62708-251-8
... Abstract The mechanical behavior of a material is its response to an applied load or force. Important mechanical properties are strength, hardness, stiffness, and ductility. This chapter discusses three principal ways in which these properties are tested: tension, compression, and shear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
..., fatigue life, and stress rupture failures. ceramics engineering plastics fatigue crack propagation fracture toughness glasses mechanical behavior IN PREVIOUS CHAPTERS, discussion has focused on metals—their mechanical behavior and the analytical methods applicable to them. The structural...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000109
EISBN: 978-1-62708-312-6
... pore. The crack may stop growing until there is sufficient stress concentration on the other side of the pore. This interpretation suggests a dynamic and pulsating crack growth behavior. Lindstedt et al. ( Ref 30 ) examined the fatigue mechanism in PM 316L austenitic stainless steels by comparing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... presence of such flaws at the surface of test specimens, the applied nominal stress is inadequate for quantifying the SCC response of the test material. It is instead necessary to invoke fracture mechanics principles, enabling the stress situation to be expressed in terms of the crack-tip stress-intensity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
... Abstract This chapter discusses the conditions and sequence of events that lead to stress-corrosion cracking (SCC) and the mechanisms by which it progresses. It explains that the stresses involved in SCC are relatively small and, in most cases, work in combination with the development of a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060049
EISBN: 978-1-62708-261-7
... and its cross-sectional area to decrease, but the amount of deformation is not readily observed without performing careful measurements of the length and diameter of the wire under load. Mechanical properties describe the relationship between the stresses acting on a material and the resulting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410405
EISBN: 978-1-62708-265-5
...,” describe the mechanical behavior of quenched and tempered steels largely in terms of hardness. Hardness measurements are a powerful, essentially nondestructive, easily applied quality-control technique for heat treated steels and correlate well with the response of steels to heat treatment. Although the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
.... Dynamic mechanical tests measure the response of a material to a sinusoidal or other periodic stress. Because of the viscoelastic nature of plastics, the stress and strain are generally not in phase. Two quantities, a stress-to-strain ratio and a phase angle, are measured. Because dynamic properties are...
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 July 2009
DOI: 10.31399/asm.tb.bcp.t52230209
EISBN: 978-1-62708-298-3
... 2.56 2.90 60.33 39.9 … 1100 0.69 0.72 114.0 57.6 … (a) Fracture stress refers to true stress: load/area at fracture. Source: Henshall et al. 1995 Studies on the mechanical properties of several grades of VHP beryllium were performed to evaluate their use as material for...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
..., assembly, and operation Prior damage by mechanical or corrosion modes may have initiated cracking Alignment, vibration, balance High cycle low stress: large fatigue zone; low cycle high stress: small fatigue zone Attack morphology and alloy type must be evaluated Severity of exposure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... adhesive bonding, mechanical fastening provides better through-the-thickness reinforcement and is not as sensitive to peel stresses or residual stress affects. Mechanically fastened joints do not normally require nondestructive testing. Many mechanically fastened joints allow disassembly or panel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780305
EISBN: 978-1-62708-281-5
... apparent contradiction in failure trends becomes clear when one considers the influence of mechanical properties on the response of a material to load ( Fig. 11 ). Because of its relative stiffness, high-density polyethylene is stressed close to or beyond the yield point in a constant-strain test, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... residual stresses can be used to prevent this phenomenon. Static loading usually is considered to be responsible for SCC, while environmentally induced crack propagation due to cyclic loading is defined as corrosion fatigue (see the section “Corrosion Fatigue” in the article “Forms of Mechanically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090303
EISBN: 978-1-62708-266-2
... strain rate affect the SCC behavior of zirconium and its alloys. It describes environments known to induce SCC, including aqueous solutions, organic liquids, hot and fused salts, and liquid metals. It also discusses cracking mechanisms and SCC prevention and control techniques. stress-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... embrittlement is the predominant mechanism. It explains how different application variables affect SCC, including loading mode, state of stress, type of steel, temperature, electrochemical potential, heat treatment, and deformation processes. It also compares SCC characteristics in different high-strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090257
EISBN: 978-1-62708-266-2
..., provides information on proposed cracking mechanisms, and presents a practical approach for preventing SCC. alloy composition magnesium alloys stress-corrosion cracking crack morphology MAGNESIUM possesses the lowest density of all structural metals, having approximately one-fourth the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
... fracture mechanics specimens of standardized geometry ( Ref 2.28 ). Fatigue precracking of such specimens further improves reproducibility. For fracture mechanics SCC testing of steels, stress state at the crack tip is well defined and described by stress-intensity factor relationships. Furthermore...