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Stress concentration

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048150
EISBN: 978-1-62708-235-8
... calculations to be very close to the maximum allowable fluctuating stress for the material. The wiper springs were concluded to be fractured in fatigue and the cyclic loading resulted from cam rotation. The maximum applied stress approached the allowable limit due to high stress-concentration factor...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0047234
EISBN: 978-1-62708-233-4
... this fracture-initiation area showed fatigue striations. No casting or metallurgical structural defects were found that could explain the failures. This evidence supports the conclusion that cracking was a result of the stress-concentration site at the bolt holes where a fatigue-initiated fracture occurred...
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Published: 01 January 2002
Fig. 17 Stress concentration at eyebolt. k t , stress concentration factor; σ a , nominal (average) stress More
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Published: 15 January 2021
Fig. 17 Stress concentration at eyebolt. k t , stress-concentration factor; σ a , nominal (average) stress More
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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: 01 January 2002
Fig. 10 Effect of size of fillet radius on stress concentration at a change in shaft diameter. See text for discussion. More
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Published: 01 January 2002
Fig. 30 Finite-element model showing maximum stress concentration in cloverleaf radius. The highest stress concentration is in the small black area surrounded by white. More
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Published: 01 June 2019
Fig. 3 Various methods of reducing stress concentration at shoulder required for locating bearing races, etc. More
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Published: 30 August 2021
Fig. 20 Effect of size of fillet radius on stress concentration at a change in shaft diameter. See text for discussion More
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Published: 30 August 2021
Fig. 21 Graph of stress-concentration effects of different fillet radii on the stress-intensity factor, K More
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Published: 01 June 2019
Fig. 14 Stress concentration at the bucket tip shroud due to presence of equiaxial and columnar grains More
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Published: 15 January 2021
Fig. 30 Finite-element model showing maximum stress concentration in cloverleaf radius. The highest stress concentration is in the small black area surrounded by white. More
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Published: 01 June 2019
Fig. 2 Stress concentration factor obtained in bending a quenched and tempered steel shaft having a circular fillet More
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Published: 01 June 2019
Fig. 1 Finite-element model showing maximum stress concentration in cloverleaf radius. The highest stress concentration is in the small black area surrounded by white. More
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Published: 01 January 2002
Fig. 12 Examples of stress concentrations in welded joints More
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Published: 01 December 1993
Fig. 8 Methods of tube joining. (a) Fishmouthing. (b) Reduction of stress concentration using fillets More
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Published: 15 May 2022
Fig. 3 Finite element analysis (FEA) model illustrating the stress concentrating effect of geometry and the importance of proper use of modeling tools. Without proper mesh definition, the tool will underestimate the maximum stress associated with the corner, which may result in a design More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0047779
EISBN: 978-1-62708-223-5
... concentration. To minimize this stress concentration, a larger radius fillet shaft at the critical change in section was suggested as corrective measure. Inclusions Stress concentration A6 UNS T30106 Fatigue fracture The shaft shown in Fig. 1 was part of a clamping device on a tooling assembly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0089738
EISBN: 978-1-62708-235-8
... that the crack in the header tube was the result of a stress concentration at the toe of the weld joining a doubler collar to the tube. The stress concentration was caused by undercutting from poor welding technique and an unfavorable joint design that did not permit a good fit-up. Recommendations included...