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light emitting diodes
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Image
Published: 15 January 2021
Fig. 5 Photo light table with light-emitting diode panel side and top illumination and exemplar fractured crankshaft
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Image
Published: 15 January 2021
Fig. 6 Exemplar fractured crankshaft on photo light table with light-emitting diode panel and ring flash illumination
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Image
Published: 15 January 2021
Fig. 8 Exemplar crankshaft fracture on photo light table with light-emitting diode panel illumination
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Image
Published: 15 January 2021
Fig. 9 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and overall on-camera ring flash illumination
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Image
Published: 15 January 2021
Fig. 10 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and left-side off-camera ring flash illumination
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Image
Published: 15 January 2021
Fig. 11 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and top-side off-camera ring flash illumination
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Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 6 Photo light table with light-emitting diode panel side and top illumination and exemplar fractured crankshaft
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Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 7 Exemplar fractured crankshaft on photo light table with light-emitting diode panel and ring flash illumination
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Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 8 Exemplar fractured crankshaft on photo light table with light-emitting diode panel and ring flash illumination
More
Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 9 Exemplar crankshaft fracture on photo light table with light-emitting diode panel illumination
More
Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 10 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and overall on-camera ring flash illumination
More
Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 11 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and left-side off-camera ring flash illumination
More
Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 12 Exemplar crankshaft fracture on photo light table with light-emitting diode panel and top-side off-camera ring flash illumination
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Image
in Laser-Induced Forward Transfer Processes in Additive Manufacturing
> Additive Manufacturing Processes
Published: 15 June 2020
Fig. 10 (a) Scanning electron micrograph of embedded light-emitting diode (LED) with silver nanopaste interconnect printed via LIFT. (b) Optical image of operational laser-embedded LED with laser-printed interconnects
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Image
Published: 15 January 2021
Fig. 12 Acrylic tabletop photo stand with light-emitting diode panel side and top illumination and LED backlighting
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Image
in High-Throughput Electrospinning of Biomaterials
> Additive Manufacturing in Biomedical Applications
Published: 12 September 2022
Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 13 Acrylic tabletop photo stand with light-emitting diode panel side and top illumination and light-emitting diode backlighting
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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
... is adequately lighted and that the colors of the component, including any degradation, are accurately recorded. Color-balanced floodlights, especially light-emitting diode (LED) lights, can be beneficial for laboratory photographic documentation. Reflected light off white cards can produce diffused lighting...
Abstract
Failure analysis is an investigative process that uses visual observations of features present on a failed component fracture surface combined with component and environmental conditions to determine the root cause of a failure. The primary means of recording the conditions and features observed during a failure analysis investigation is photography. Failure analysis photographic imaging is a combination of both science and art; experience and proper imaging techniques are required to produce an accurate and meaningful fracture surface photograph. This article reviews 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 lighting and microscopic photography. Special techniques can be employed to deal with highly reflective conditions and are also described in this article.
Image
Published: 15 January 2021
Fig. 23 Optical stereomicroscopic image of exemplar crankshaft fracture with light-emitting diode ring light illumination
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Image
in Visual Examination and Photography in Failure Analysis
> Characterization and Failure Analysis of Plastics
Published: 15 May 2022
Fig. 23 Optical stereomicroscopic examination of exemplar fractured crankshaft with light-emitting diode ring light illumination
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