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Effect of sample size on the fracture of notched samples tested in slow ben...

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in Mechanisms and Appearances of Ductile and Brittle Fracture in Metals > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 51 Effect of sample size on the fracture of notched samples tested in slow bending. Data are normalized to the sample size for comparison. b , specimen width; d , retained depth at bottom of notch More
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Effect of sample size on the fracture of notched samples tested in slow ben...

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in Mechanisms and Appearances of Ductile and Brittle Fracture in Metals > Failure Analysis and Prevention
Published: 15 January 2021
Fig. 51 Effect of sample size on the fracture of notched samples tested in slow bending. Data are normalized to the sample size for comparison. b , specimen width; d , retained depth at bottom of notch More
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Weibull plot of first sample test.

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in Failure Analysis of Door Lock Assemblies Illustrating the Statistical Aspects of Failure Analysis > ASM Failure Analysis Case Histories: Automobiles and Trucks
Published: 01 June 2019
Fig. 4 Weibull plot of first sample test. More
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Weibull plot of second sample test.

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in Failure Analysis of Door Lock Assemblies Illustrating the Statistical Aspects of Failure Analysis > ASM Failure Analysis Case Histories: Automobiles and Trucks
Published: 01 June 2019
Fig. 6 Weibull plot of second sample test. More
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( a ) Prepared shear test sample and corresponding sample. ( b ) The DIN 50...

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in The Role of Impact Energy in Failure of Explosive Cladding of Inconel 625 and Steel > Handbook of Case Histories in Failure Analysis
Published: 01 December 2019
Fig. 4 ( a ) Prepared shear test sample and corresponding sample. ( b ) The DIN 50162 standard used for fabricating the shear test samples and fixture More
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The wear rates of the bearing samples in laboratory tests as functions of s...

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in Wear Failure of a Leaded Bronze Bearing: Correlation Between Plant Experience and Laboratory Wear Test Data > ASM Failure Analysis Case Histories: Mechanical and Machine Components
Published: 01 June 2019
Fig. 2 The wear rates of the bearing samples in laboratory tests as functions of sliding distance (normal load: 15 N; sliding velocity: 1.67 m s −1 ) More
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Optical photograph of a peel test sample partially peeled to reveal the und...

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in Adhesion Failures Caused by Thin-Film Contaminants > ASM Failure Analysis Case Histories: Processing Errors and Defects
Published: 01 June 2019
Fig. 1 Optical photograph of a peel test sample partially peeled to reveal the underside of the conversion-coated nickel-phosphorus laminate. More
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Rust debris on immersion test sample. The wedge is still in place but is ou...

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in Investigation of a Failed Stainless Steel Spindle Assembly > ASM Failure Analysis Case Histories: Offshore, Shipbuilding, and Marine Equipment
Published: 01 June 2019
Fig. 12 Rust debris on immersion test sample. The wedge is still in place but is out of focus (×3). More
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Pitting of immersion test samples. a) Slot parallel to stud axis (×10). Not...

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in Investigation of a Failed Stainless Steel Spindle Assembly > ASM Failure Analysis Case Histories: Offshore, Shipbuilding, and Marine Equipment
Published: 01 June 2019
Fig. 13 Pitting of immersion test samples. a) Slot parallel to stud axis (×10). Note the crack-like defect zig-zagging from the notch tip. b) Slot perpendicular to stud axis (×30). Note pitted region and line extending from slot. More
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Weibull plot comparing two test samples.

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in Failure Analysis of Door Lock Assemblies Illustrating the Statistical Aspects of Failure Analysis > ASM Failure Analysis Case Histories: Automobiles and Trucks
Published: 01 June 2019
Fig. 7 Weibull plot comparing two test samples. More
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Test samples of 410 stainless steel (19.05 mm diam × 50.80 mm length, or 0....

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in Problems Associated with Heat Treated Parts > Analysis and Prevention of Component and Equipment Failures
Published: 30 August 2021
Fig. 26 Test samples of 410 stainless steel (19.05 mm diam × 50.80 mm length, or 0.75 in. diam × 2.00 in. length), hardened and oil quenched from 955 °C (1750 °F), tempered 1 h at temperature in air; all specimens from a single heat, 0.10% C, 12.50% Cr. (a) Effect of tempering temperature More
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Laboratory-fatigue-tested cross member sample 1, showing cracking progressi...

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in Fatigue Failure of Welded Truck Cross Members > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 1 Laboratory-fatigue-tested cross member sample 1, showing cracking progression from internal fillet-welded diaphragm through channel side wall at location indicated by arrow. More
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Internal view of cracking on fatigue-tested sample 9. Cracking is evident a...

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in Fatigue Failure of Welded Truck Cross Members > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 4 Internal view of cracking on fatigue-tested sample 9. Cracking is evident at toes of both fillet welds, as indicated by arrows. More
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Fracture surface at fillet weld toe of fatigue-tested sample 9. The area de...

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in Fatigue Failure of Welded Truck Cross Members > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 6 Fracture surface at fillet weld toe of fatigue-tested sample 9. The area denoted by “S” was removed for SEM examination, and a metallographic section was taken at location “M”. More
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Fracture surface at torque rod mounting hole on fatigue tested sample 9.

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in Fatigue Failure of Welded Truck Cross Members > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 7 Fracture surface at torque rod mounting hole on fatigue tested sample 9. More
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SEM image of fracture origin area at weld toe on fatigue tested sample 1. R...

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in Fatigue Failure of Welded Truck Cross Members > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 8 SEM image of fracture origin area at weld toe on fatigue tested sample 1. Ratchet mark at lower center is indicative of fatigue cracks initiating on different planes. 13×. More
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SEM micrographs of fracture surfaces in three-point bending test samples. (...

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in Internal Cracks in Cast Steel With 9% Ni for Cryogenic Applications > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 6 SEM micrographs of fracture surfaces in three-point bending test samples. (a) Steel A, with 0.01% Mo. (b) Steel B, with 0.09% Mo. (c) Steel C, with 0.21 % Mo. (d) Steel D, with 0.52% Mo. More
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Metallographic sample (a) and tensile test specimen (b) from the pigtail tu...

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in High-Temperature Failure by Perforation of Incoloy 800H Pigtails in Reformer Furnaces > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 2 Metallographic sample (a) and tensile test specimen (b) from the pigtail tubing. More
Book Chapter

Failure Analysis of Door Lock Assemblies Illustrating the Statistical Aspects of Failure Analysis

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By J. Forgione
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001732
EISBN: 978-1-62708-218-1
... the assembly would have been extremely difficult to simulate and time-consuming to conduct, it was decided to test the total assembly and analyze all failures on a system basis. The statistical analysis of failure data usually requires a large sample because of the scatter generally found in fatigue-life...
Abstract
Statistical techniques provide the design engineer with a powerful tool for the analysis of failure data. By means of an actual case study, steps required to design a test yielding statistically meaningful data and procedures used in graphical analysis of results are presented. The Weibull distribution is the statistical model used as a basis for these techniques. This method of failure analysis provides the engineer with clear, positive design direction.
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Charpy impact test results for A517 grade F, plate M. Compare with plate D ...

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in Brittle Fracture of the Tension Flange of a Steel Box-Girder Bridge > Handbook of Case Histories in Failure Analysis
Published: 01 December 1992
Fig. 12 Charpy impact test results for A517 grade F, plate M. Compare with plate D in Fig. 4 . Both plates were produced by the same melting practice, and both were markedly superior to any of the A517 grade H samples tested. More