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digital light processing

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Published: 15 May 2022
Fig. 49 Schematic drawing of the digital light processing additive manufacturing process. UV, ultraviolet More
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
.... Each step of the process can be documented with digital photography, and the image captured at each stage can be verified. Tethered capture can also be used for photo table and tabletop photography so that lighting can be immediately adjusted, color correction performed, and accurate focus verified...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
... stages of a failure analysis where cleaning or sectioning is involved. Each step of the process can be documented with digital photography, and the image captured at each stage can be verified. Tethered capture can also be used for photo table and tabletop photography so that lighting can be immediately...
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
... on the photographic equipment used in failure analysis and on film and digital photography. The article describes the basics of photography and the uses of different types of lighting in photography of a fractured surface. The article also addresses the techniques involved in macrophotography and microscopic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... stress applied to magnetic material Online monitoring of magnetic material Not suitable for nonmagnetic material Online monitoring; can sense stress without cracking Magnetic metals, steel, nickel, iron, chrome Radiography, computed tomography, digital x-ray, neutron radiographic testing, x-ray...
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
... the aircraft was landed. The helicopter main rotor blade spar fracture was analyzed by conventional and advanced computerized fractographic techniques. Digital fractographic Imaging Analysis of theoretical and actual fracture surfaces was applied for automatic detection of fatigue striation spacing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... Abstract This article discusses technologies focused on processing plastic materials or producing direct tools used in plastics processing. The article focuses on extrusion and injection molding, covering applications, materials and their properties, equipment, processing details, part design...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
..., and practical examples are provided. fracture profilometry quantitative fractography scanning electron microscope three-dimensional fracture surface reconstruction A FRACTURE SURFACE is generated by the deformation and fracture processes operative at numerous length scales ranging from nanometers...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... metal, and springback/dimensional. It discusses the processes involved in analytical tools that aid in characterizing the state of a formed part. In addition, information on draw panel analysis and troubleshooting of sheet forming failures is also provided. draw panel analysis fractures necks...
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
... particle testing. It covers the effects of various factors on the properties of the part that may impact failure analysis, describes the characterization of damage modes and crack sizes, and finally discusses the processes involved in application of NDE results to failure analysis. crack sizes...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... “backlash,” and it results in a small offset for every other scan line if data is collected while scanning in both directions. Scan speed may also be limited by the travel times for the sound waves and signal digitization, storage, processing, and display times. Increasing the scan speed beyond these limits...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006865
EISBN: 978-1-62708-395-9
... chains, resulting in three-dimensional networks of cross-linked molecular chains. When these types of bonds are present, an increase in temperature does not lead to plastic deformation. Thermosetting is an irreversible chemical change that occurs during processing. Materials such as vulcanized rubbers...
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
... metallographic examination microfractography process simulation visual examination X-ray techniques FAILURES may be caused by any of the following factors or combinations of factors: Design shortcomings Material imperfections due to faulty processing or fabrication Overloading and other...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001292
EISBN: 978-1-62708-215-0
... an optical microscopy and digital counter. These markings were of a regular nature and consisted of an initial heavy mark (initial touchdown) followed by a series of light, irregularly spaced marks (aircraft ground-roll). These patterns were visible on numerous areas in the fatigue region ( Fig. 5...
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
... Abstract Identification of alloys using quantitative chemical analysis is an essential step during a metallurgical failure analysis process. There are several methods available for quantitative analysis of metal alloys, and the analyst should carefully approach selection of the method used...
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
... of digital photographs and video. All related hardware and parts are placed in a safe, benign environment to be cataloged and preserved. The information-gathering process starts by obtaining drawings, maintenance records, manufacturing records, and so on. The failure investigation team is now formed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... Abstract This article describes the methodology for performing a failure modes and effects analysis (FMEA). It explains the methodology with the help of a hot water heater and provides a discussion on the role of FMEA in the design process. The article presents the analysis procedures and shows...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... the modeling and prototyping of new designs of parts from designs developed in computer programs. Distributed computing and dedicated computation capability are critical in the AM process, because each AM machine needs to form the part digitally, transferring the three-dimensional (3D) computer model...
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
... is that time spent in preparation and planning can save a lot of time and money and even help achieve a successful conclusion of the failure investigation. What Is a Failure? A good definition of a failure is “the inability of a component, machine, or process to function properly.” Failures come in all...
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
... Abstract Failure analysis is the process used to determine the cause of a failure. There is no definitive method for performing a failure analysis, and the method chosen is dependent upon the type of failure, the availability of background information, the tools available to perform...