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field photographic documentation

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... microscopy examination and/or metallography. It is important to photograph the component at each stage of the process to retain the visual information available and the component condition at each step. Photographic documentation of failed components in the field requires photography of the failed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
... photographic principles and techniques as applied to failure analysis, both in the field and in the laboratory. The discussion covers the processes involved in field and laboratory photographic documentations, provides a description of professional digital cameras, and gives information on photographic...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006043
EISBN: 978-1-62708-172-6
... sign and date the documentation when the samples are received. The samples, background information, field observations, and photographs should be provided to the laboratory, and the information should be discussed with the laboratory to assist it in developing a testing protocol. It is important...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... investigation is to collect data pertaining to the accident and to document the condition of the accident scene. Investigators who are not able to visit the accident scene often are limited to studying scene photographs taken by others. However, new technologies such as laser scanning allow for digital three...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... cleaned up. This depends on the type of accident and the knowledge of the personnel initially present at the accident scene. If possible, personnel initially present at the accident scene should acquire photographic and/or videotape documentation of the accident scene to capture the accident scene...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
....” This quote is by Dr. Van Helsing during his search for the elusive Count Dracula. The failure scene is very important. Document and protect it. If the investigator is not able to visit the failure scene, he should request the drawings and/or photographs of the failure scene. Photographs of the failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... approach is to always request 50 photographs from 360° around the failure. This approach will hopefully preclude having a single or too few photographs taken to document the failure scene. If an investigator has the opportunity to go to the failure scene, he should take a field investigation kit...
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
... analyst to visit the failure site. Under these circumstances, data and samples may be collected at the site by field engineers or by other personnel under the direction of the failure analyst. A field failure report sheet or checklist can be used to ensure that all pertinent information regarding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003224
EISBN: 978-1-62708-199-3
...: Background information: Learn all you can about what happened prior to and at the time of the failure. Learn all you can about the procedure used to manufacture the failed part. Visual examination: Visit the scene, make sketches, and take measurements, notes, and photographs. Select...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003224
EISBN: 978-1-62708-199-3
.... Carefully examine all parts in the laboratory. Sketch, measure, and take notes and photographs. Start by using the naked eye and proceed to the magnification necessary to understand the failure. Perform nondestructive testing (testing which in no way alters or changes the part). Document the results...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... photographic objective lens. Some systems permit the eyepiece on the microscope to be removed to increase the size of the field. Whereas view camera systems have practical magnification limits of 15 to 20 diameters, much higher magnifications can be obtained with a microscope, the magnification being...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... are suitable for photography of fracture surfaces. In general, these types of microscopes will cover a much smaller field than is obtainable with the single photographic objective lens. Some systems permit the eyepiece on the microscope to be removed to increase the size of the field. Whereas view camera...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
... be distinguishable. Depending on the analytical work requested, a cause might be identified and an approach to mitigate future failures can be presented. However, a test plan often is a dynamic document that must be updated as testing progresses, particularly when testing is inconclusive, contradictory, or cannot...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009085
EISBN: 978-1-62708-177-1
... , March 1 , 2002 The macroeffects of a lightning strike on composites are usually apparent and can be documented with macrophotography, but the microeffects can only be observed with a clean cross section of the damaged area. The zone in and around the strike is very fragile, due...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... to determine, photograph, and/or schematically record: (a) origin of failure; (b) presence of stress concentrators; (c) presence of temper color or scale on fracture faces; (d) orientation and magnitude of stresses; (e) failure mode and mechanism; (f) direction of crack propagation and sequence of failure; (g...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001833
EISBN: 978-1-62708-181-8
... of the photograph. This will be the same as the camera magnification if the camera image will not be subsequently enlarged. The seemingly inescapable consequence of the depth of field being inversely proportional to the square of the total magnification often results in a lack of sufficient depth of field...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
.... On-site examination should include a walking tour of the failure area. Photographic documentation should be made to depict the conditions after the failure. If applicable, viewing a similar undamaged assembly or operation on the site where the failure occurred may be instructive. Photographic...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003754
EISBN: 978-1-62708-177-1
... are important variables. Many of the objects to be photographed are three-dimensional, which requires a certain depth of field and proper lighting to reveal shape and texture. Depth of field varies with the aperture diaphragm lens setting, the magnification, and the focal length of the lens. Stopping down...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
... testing concrete dry film thickness field quality control greases hardness intercoat contamination lamination pinholes quality assurance quality documentation quality planning shop quality control surface preparation wood IT IS COMMON to encounter contract or specification requirements...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009072
EISBN: 978-1-62708-177-1
... of the labels occur after subsequent potting of the samples or grinding off the labels. Therefore, the best area to label may be the side opposite the polishing face. An easy method that can be used to document the sections is to take a digital photograph of the composite material and then organize the sections...