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residual strength

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630035
EISBN: 978-1-62708-270-9
... heat treatments, in addition to the desire for increased hardness, which provides enhanced strength and wear properties. For best resistance to fatigue fracture, the surface areas should have compressive residual stresses in directions that are perpendicular to the expected fatigue-crack direction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... images, diagrams, and explanations. It discusses the various factors that influence strength and ductility, including grain size, loading rate, and temperature. It also provides information on the origin of residual stresses, the concept of toughness, and the damage mechanisms associated with creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
..., springback, residual stress, die wear, hot forming, downgaging limits, welding, binders, draw beads, and tool material wear. advanced high-strength steels automotive industry welding hot forming wear residual stress THE WIDESPREAD USE of advanced high-strength steels (AHSS) in the automotive...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630023
EISBN: 978-1-62708-270-9
... with and without stress concentrations and under different types of loading. It should also be clear that the relationship of stress and strength gradients must be considered simultaneously in analysis of a particular type of fracture. The complicating factor of residual stresses also must be understood, although...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
... their use on different metals and alloys. The chapter also discusses design-based approaches for preventing fatigue failures. crack initiation crack propagation fatigue analysis fatigue fracture appearance fatigue life fatigue strength THE DEFINITION OF “FATIGUE” according to ASTM Standard E...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... types of high-strength steels Yield strength Increasing yield strength for a given type of steel reduces K ISCC and increases crack velocity. Composition Cobalt-free grades of 18Ni maraging steel slightly more susceptible than standard grades Controlling residual elements to levels as low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... loading can lead to delamination, the primary failure mode of most composites, and describes some of the methods that have been developed to improve delamination resistance, assess damage tolerance, determine residual strength, and predict failure modes. composite laminate damage tolerance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
.... , Elsevier , 2010 14.11 Granta Design , www.grantadesign.com The properties of AHSS are characterized by high strength and somewhat low ductility. Such properties lead to increased tendencies for splitting, buckling, residual stresses, and springback. Forming AHSS require higher tonnages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170193
EISBN: 978-1-62708-297-6
... this rate the strength reduces due to the suppression of precipitation and the introduction of low-temperature transformation products. The optimal cooling rate and maximum hardness are significantly influenced by the alloy and residual element content of the steel. Nevertheless, through control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... Abstract This chapter discusses the forming characteristics of dual-phase (DP) and transformation-induced plasticity (TRIP) steels. It begins with a review of the mechanical behavior of advanced high-strength steels (AHSS) and how they respond to stress-strain conditions associated...
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
..., yield criteria, and residual stresses of metals. mechanical behavior strength hardness stiffness ductility tension compression shear tensile yield strength ultimate tensile strength resilience toughness stress concentration residual stress MANY MATERIALS, both during initial...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630117
EISBN: 978-1-62708-270-9
... (initiation, propagation, and final rupture) of fatigue fracture followed by a discussion of its microscopic and macroscopic characteristics. The relationship between stress and strength in fatigue is explained. The next section provides information that may help the uninitiated to appreciate some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
...), then the strength of the structure is the design strength ( P u ). Fig. 1 Residual-strength diagram in terms of load (or force). j , design safety factor; g , safety factor based on residual strength. Source: Ref 1 In every design a safety factor is used. This factor may be applied in different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... section provides information on the residual stresses and distortion that remain after welding. The focus then shifts to distortion control of weldments. Inclusions and cracking are discussed in detail. The chapter also discusses the causes for reduced fatigue strength of a component by a weld: stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... ), and an externally applied load only, with residual welding stresses removed by annealing. The National Materials Advisory Board Committee on Environmentally Assisted Cracking Test Methods for High-Strength Weldments published the following guidelines on SCC testing of weldments ( Ref 17.28 ). Fracture mechanics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... where fatigue failures are likely to occur in cold-driven rivet and friction joints, and why the fatigue strength of welded joints can be much lower than that of the parent metal, depending on weld shape, joint geometry, discontinuities, and residual stresses. The chapter also explains how to improve...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770135
EISBN: 978-1-62708-337-9
... on core properties including hardenability, microstructure, tensile and yield strength, ductility, toughness, and fatigue resistance. It likewise explains how carbon affects case hardenability, surface hardness, and case toughness and how case depth influences residual stresses and bending and contact...
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
..., there will be tensile residual stresses on the surface, as shown in Fig. 26(b) . Using the same logic as for compression residual stresses, tensile residual stresses can drastically lower the fatigue strength because the residual stresses are additive to the applied tensile stresses. Therefore, heavily worked sections...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030148
EISBN: 978-1-62708-282-2
... Abstract Hydrogen damage is a form of environmentally assisted failure that results most often from the combined action of hydrogen and residual or applied tensile stress. This chapter classifies the various forms of hydrogen damage, summarizes the various theories that seek to explain hydrogen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
... Abstract Titanium alloys respond well to heat treatment be it to increase strength (age hardening), reduce residual stresses, or minimize tradeoffs in ductility, machinability, and dimensional and structural stability (annealing). This chapter describes the phase transformations associated...