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gage reproducibility

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... relief, induction hardening, service temperature, thermal strains, etc.) X-Ray Diffraction Theory and Residual Stress Measurement The XRD technique uses the distance between crystallographic planes, that is, d -spacing, as a strain gage. This method can only be applied to crystalline...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001591
EISBN: 978-1-62708-227-3
... are listed in order from the bow toward the stern. Reproduced with permission of the Journal of Metals. Captain Smith gave the order to abandon ship. It was difficult to persuade many of the passengers that the RMS Titanic was really sinking. In keeping with the British Board of Trade...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... strains, etc.) X-Ray Diffraction Theory and Residual-Stress Measurement The XRD technique uses the distance between crystallographic planes, that is, d -spacing, as a strain gage. This method can only be applied to crystalline, polycrystalline, and semicrystalline materials ( Ref 1 , 27...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001302
EISBN: 978-1-62708-215-0
... kingpins from the same heat as the two service failures. The specimens were machined such that the gage lengths were oriented along the axis of the kingpin, in the spool-flange shoulder region. The yield stress, ultimate tensile stress, and elongation at room temperature were all found to be well within...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001600
EISBN: 978-1-62708-217-4
... solutionizing temperatures. Attempts to estimate the volume fraction of the dispersoids from the TEM images did not provide reproducible results, presumably due to variations in specimen thickness and image shapes. Sample IT0011 had an E-phase size about 50% smaller than the other three samples, most likely...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... slow strain rates and slightly elevated temperature [ 3 ]. A slow strain rate tensile test performed at 75 °C and 10 −5 mm/mm/sec strain rate on material from a fractured feedthrough pin did not reproduce this fracture mode. No other references were found for this fracture mechanism. Embrittling...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... the range of displacements for the compressors that failed. The amount of displacement in the clockwise and counterclockwise directions was measured using strain gages. It was found that the first cycle after stopping had a mean maximum displacement of 6.17 mm with a range of 4.1 to 7.6 mm. Based...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... failures. Stress coating can be used effectively for locating small areas of high strains, determining the directions of the principal strains, and measuring the approximate magnitude of tensile and compressive strains. Gages can then be placed at the high-strain areas and in the principal-strain...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... the center axis or set at an angle, the results will be skewed and inconsistent. Second, for devices to measure strain, it is important to select a device that complies with the specification of the standard. When using a manual extensometer, the alignment of the knife edges is important as well. The gage...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... to measure friction forces, depending on how large or small the friction force is and the desired resolution of the measurement. Two common force measurement methods include the use of strain gage load cells, and displacement-based probes. Resistance and semiconductor strain gage load cells have an array...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... to designate fretting-type damage are false Brinelling , which is applied particularly to bearings in which the craters caused by the vibration of the ball against the race are circular and resemble Brinell impressions, and fitting rust , in which gages or shims are clamped together and experience vibration...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006909
EISBN: 978-1-62708-395-9
... on material behavior under extreme conditions. It is important, however, that the test conditions are standardized and reproducible. For design and performance prediction, it is essential that extrapolation relationships from the test conditions to those experienced in service are known and can be used...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... would be an identical product having the same design, manufacturing, and material(s) of construction as the failed component. The purpose of the exemplar testing is to replicate the conditions experienced by the failed product in order to reproduce the failure event. In the simplest form, exemplar...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
...) Relationship of strain rate, or creep rate, and time during a constant-load creep test. The minimum creep rate is attained during second-stage creep Creep and stress-rupture data usually are obtained under constant-load test condition, and therefore, the stress in the gage section varies with time...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... in a minimum of time and cost, and must be reproducible. Preparation of metallographic specimens ( Ref 2 ) generally requires five major operations: sectioning, mounting (optional), grinding, polishing, and etching (optional). Examination of properly polished specimens without etching often presents...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
...-rupture data usually are obtained under constant-load test condition, and therefore, the stress in the gage section varies with time. However, it is sometimes desirable or necessary to obtain test data under constant-stress conditions, where the applied load is adjusted as the length of the specimen...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
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
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4