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stress raisers

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Published: 01 January 2002
Fig. 33 Effect of stress raisers on stress concentration and distribution of stress at several changes of form in components. (a) to (c) Progressive increases in stress with decreasing fillet radii. (d) to (f) Relative magnitude and distribution of stress resulting from uniform loading. (g More
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Published: 15 January 2021
Fig. 42 Effect of stress raisers on stress concentration and distribution of stress at several changes of form in components. (a) to (c) Progressive increases in stress with decreasing fillet radii. (d) to (f) Relative magnitude and distribution of stress resulting from uniform loading. (g More
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Published: 30 August 2021
Fig. 8 Even welds with good quality introduce stress raisers, for example (a) weld toes, weld roots, and the ends of welds as well as (b) intermittent welds. More
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Published: 30 August 2021
Fig. 55 Schematic effect of an inclusion as a stress raiser on the Hertzian stress distribution (case of a line contact). Source: Ref 6 More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002401
EISBN: 978-1-62708-193-1
... Abstract The mechanism of contact fatigue can be understood in terms of several sources of stress concentration, or stress raisers, within the macroscopic Hertzian stress field. This article focuses primarily on rolling contact fatigue of hardened bearing steels. It discusses Hertzian shear...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... Abstract This article discusses the effect of using unsuitable alloys, metallurgical discontinuities, fabrication practices, and stress raisers on the failure of a pressure vessel. It provides information on pressure vessels made of composite materials and their welding practices. The article...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... geometric factors and materials aspects that influence the stress-strain behavior and fracture of ductile metals. It highlights fractures arising from manufacturing imperfections and stress raisers. The article presents a root cause failure analysis case history to illustrate some of the fractography...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
..., bending, torsion). Finally, the factors influencing the appearance of a fracture surface and various imperfections or stress raisers are described, followed by a root-cause failure analysis case history to illustrate some of these fractography concepts. brittle fracture crack nucleation crack...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... of distortion and corrosion on shafts. Finally, it discusses the types of stress raisers and the influence of changes in shaft diameter. axial fatigue bending fatigue brittle fracture connecting rods contact fatigue corrosion distortion ductile fracture piston rods shafts torsional fatigue wear...
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Published: 30 August 2021
Fig. 42 (a) Cross section with a large thickness transition introducing a stress raiser. (b) Weld cross section More
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Published: 30 August 2021
Fig. 5 Section through the forged head of a threaded fastener. The uniform grain flow minimizes stress raisers and unfavorable shear planes. Source: Ref 7 More
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Published: 01 January 2002
Fig. 6 Section through the forged head of a threaded fastener. The uniform grain flow minimizes stress raisers and unfavorable shear planes. Source: Ref 4 More
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Published: 01 November 2010
Fig. 49 Micrograph of large graphite flakes of gray cast irons or clusters having a preferable orientation of flakes and located near the casting surface. These serve as an appreciable stress raiser. Source: Ref 1 More
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Published: 01 January 1990
Fig. 10 Uniform, unbroken grain flow around the contours of the forged head of a threaded fastener. The uniform, unbroken grain flow minimizes stress raisers and unfavorable shear planes and therefore improves fatigue strength. More
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Published: 01 January 2002
specimen (b) does not have shear lips, because the fracture initiates near the root of the notch (and completely around the specimens in this idealized case without additional stress raisers). More
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Published: 15 January 2021
specimen (b) does not have shear lips, because the fracture initiates near the root of the notch (and completely around the specimens in this idealized case without additional stress raisers). More
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Published: 01 December 2004
) does not have shear lips, because the fracture initiates near the root of the notch (and completely around the specimens in this idealized case without additional stress raisers). Source: Ref 9 More
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Published: 01 January 2005
bend radius and tensile load is important to avoid local stress raisers that can influence stress-associated failures. Materials choice should be dictated by the specific environment and from application experience. Outer nonmetallic containment jackets (elastomeric, plastics) provide protection More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... stressed area—typically a stress raiser, which may be mechanical, metallurgical, or sometimes a combination of the two. Mechanical stress raisers include such features as small fillets, sharp corners, grooves, splines, keyways, nicks, and press or shrink fits. Shafts often break at edges of press-fitted...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... and propagated to a larger size, it becomes a macroscopic stress raiser and can be more influential than any stress raiser already in the part. At this point, the crack tip will take over control of the fracture direction. Subsequently, the orientation of the crack surface will depend on the stress field...