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calibration

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0059924
EISBN: 978-1-62708-235-8
... and calibrated using the back-surface-reflection method to determine whether adequate ultrasonic penetration was available. Areas of indications were noted at approximately midheight and adjacent to the bore area. An axial angle-beam inspection from the outside was performed, mainly in the area of indications...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001747
EISBN: 978-1-62708-217-4
... failures, all surface-damaged material should be removed and polished smooth before further flight. The blade should be correctly dressed. Also, the tachometer should be calibrated to ensure the engine/propeller combination is not operated in the critical speed range at normal cruising speeds...
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
... in a component or assembly. The article describes the steps required to calibrate instrumentation and to validate stress measurement results. It presents a practical approach to sample selection and specimen preparation, measurement location selection, and measurement depth selection, as well as an outline...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001389
EISBN: 978-1-62708-215-0
..., and calibration areas be isolated from molding areas. Ammonia, environment Atmospheric corrosion Circuit breakers Electric contacts, corrosion Electrical resistance 50Ag-50Mo 73W-27Ag Uniform corrosion Background During routine quality control testing, electrical switchgear devices exhibited...
Image
Published: 01 January 2002
, on the surface of the part. The unlabeled peak at the far left is the internal calibration peak for the EDS unit. More
Image
Published: 01 January 2002
contaminant. (b) Portion of the scan obtained from one of the (dark) aluminum based particles. The unlabeled peak at the far left of both plots is the internal calibration peak for the EDS unit. More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... Before the details of the analytical method are discussed, it should be noted that there are few analytical methods that can be properly performed without knowledge of the intended composition. Most of the analytical methods in use today are instrumental methods whose accuracy depends on calibrations...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001386
EISBN: 978-1-62708-215-0
... calibration drift. Performance of Other Parts in Same or Similar Service Load cells on a similar tank that was used less often had not failed and were relatively easy to calibrate. Visual Examination of General Physical Features Each load cell operated as a cantilever beam and the deflection...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... of representative calibration standards, or difficulties with field inspections. During a failure analysis there is no predetermined NDE method as there is during manufacturing part acceptance. It is important for the failure analyst to communicate with the NDE practitioner to determine to what degree the NDE...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001649
EISBN: 978-1-62708-234-1
... to the service firm. This was the only information pertaining to the assembly of the joint that was supplied. Immediately on recognition that a failure had occurred, each of the wrenches used were verified for proper calibration. Because direct overtorque was seemingly ruled out as a failure mechanism...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001021
EISBN: 978-1-62708-214-3
... growth curve was obtained by measuring the position of successive appearances on the fracture surface of the mark, produced by a unique peak load in the testing sequence. The resulting crack growth curve was used to calibrate a crack growth model. Calibration of Crack Growth Model It was necessary...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
... must also be compatible with the acid mixtures. The ICP-OES analysis uses calibration standards with known quantities of the analytes of interest. The ICP-OES analysis will produce a rich and intense spectrum for the major elements that must be accounted for in the analytical procedures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001120
EISBN: 978-1-62708-214-3
... Phosphorus 0.013 0.030 max Sulfur <0.005 0.030 max Silicon 1.03 0.80–1.20 Chromium 5.06 4.75–5.50 Molybdenum 1.40 1.10–1.75 Vandium 0.82 0.80–1.20 Mechanical Properties Hardness Hardness was measured on the surface of the segment using a calibrated digital hardness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001144
EISBN: 978-1-62708-217-4
... is the striation repeat frequency. Computer generated models of fatigue striations were used to calibrate the technique. Fig. 4(a) shows computer generated parallel lines with two repeat frequencies and Fig. 4(b) shows the resulting Fourier transform power spectrum. The two outer bright spots on the horizontal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001580
EISBN: 978-1-62708-229-7
.... The distance measurements are very precise with resolution to approximately 0.2 µm. Based on the calibration data generated, the accuracy of these distance measurements is ±10 µm, with 95% confidence. Test Preparations A series of tests had to be performed with the surface mapping equipment prior...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... of titanium is approximately three. Fig. 4 Example of an exceedance distribution of hard alpha Defect distributions for different melt and inspection conditions were developed by the industry through a combination of data analysis of titanium finds, modeling, and calibration with field...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
.... Driving point frequency response measurements were made using a calibrated hammer and accelerometer. These measurements indicated that a mode, or natural frequency, of the wheel truing device was the culprit. A tuned damped absorber was designed and built to modify the resonance. This eliminated...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001784
EISBN: 978-1-62708-241-9
...% Nital) Rockwell Hardness Rockwell hardness test using B scale (HRB) was used to measure hardness of the failed wrench socket and two of its counterparts. Hardness tester was calibrated for B scale prior to hardness measurements. Table 1 shows hardness test results of all three wrench socket...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001712
EISBN: 978-1-62708-234-1
... using chromel wire and placed in a pre-calibrated isothermal section of the furnace. The samples were subjected to the flowing nitrogen atmosphere for varying lengths of time at a constant temperature of 1000 +/− 5 °C. Upon removal from the apparatus, the samples were weighed and measured...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001818
EISBN: 978-1-62708-241-9
... a venturi section and creates low pressure. The low pressure sucks in the surrounding air in calibrated quantity and forms a rich air–fuel mixture of more or less constant proportion for the given range of fuel gas flow rates. This air–fuel mixture then burns through the burner nozzle. Fire Tube Sleeve...