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fused deposition modeling

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Published: 15 May 2022
Fig. 53 Inside build chamber of a Stratasys fused deposition modeling machine More
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Published: 15 May 2022
Fig. 54 Schematic drawing of the fused deposition modeling additive manufacturing process More
Image
Published: 15 May 2022
Fig. 55 Part produced by fused deposition modeling (a) before and (b) after solvent treatment. Parts printed by Prof. Scott Springer, University of Wisconsin-Stout More
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
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
... MANUFACTURING (AM) refers to a group of free-form fabrication technologies that incrementally build up a solid part by computer-controlled deposition of material from a digital solid model. The technology is an outgrowth and broadening of rapid prototyping methods that were developed in the 1980s to accelerate...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001109
EISBN: 978-1-62708-214-3
...: modification of the processing parameters to reduce the salt deposition and / or change of bar materials to a more resistant alloy. Castings Fluxing Fused salts Hot gas corrosion Ironmaking Pelleting Sintering furnaces HH UNS J93503 High-temperature corrosion and oxidation Background...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... of the story. Identification of the mechanisms, which will control the degree of advancement of the reaction, is also duly required. Kinetic models and kinetic data then are needed. In this context, the principles of penetration, dissolution, and spalling are considered. Thermodynamic Calculations...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
.... This process gives discontinuous growth that could produce the striations observed in some systems (see the subsequent section on the electrochemical theory). The crack progresses by repassivation and cracking of the passive layer with no attack of the base metal. This is called the tarnish rupture model...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... of the turbine. If the borescope inspection reveals unserviceable damage, a failure investigation may be initiated, which first involves visual inspection during engine disassembly, along with dimensional inspections of component clearances and collection of deposits for chemical analysis, where applicable...
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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... on the inner wall of a stainless steel tube There is no iron- or nickel-base alloy that is absolutely resistant to metal dusting attack. Research is focused on the reaction chain from the formation of alloy substrate oxide layers and deteriorating conditions. Accordingly, carbon and coke deposition...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... Molding, Inc., Somerset, WI, USA Parting Line This is the line (plane) where the mold separates when it opens, and the design should be built from that plane. That is, when the solid model of the part is built in the CAD system from the parting line plane, then the mold cavity and core design...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... of failure (consequently, the examination may be hindered by a sample that is too small). Discoloration or rusting on stainless steel may be a sign of iron contamination. Heavy deposits on a tube, such as scale or corrosion product, could be caused by overheating. Visual examination will indicate...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... to determine the expected demand, particularly for welded connections. Demand is also difficult to determine for one-of-a-kind structures and for first-generation equipment designs. The loading on welded connections is often more complicated than is assumed in design. While engineers typically model...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... is most often associated with steels, but the presence of sufficient hydrogen can lead to cracking or embrittlement in other materials ( Ref 9 ). Four types commonly occur in the fusion zone (i.e., weld deposit): transverse, longitudinal, crater, and hat cracks. Base metal cracks can be divided into six...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
.... In BS PD 6493:1991, the level 1 approach is presented as a method for performing preliminary assessments. The level 2 approach is based on a plane-stress plastic collapse modified strip yield model, and there is no inherent safety factor. This method is the preferred assessment level for the majority...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... overloaded with clothes one or more times leading up to the failure by knowing that the coupling is intended to be a mechanical fuse to protect the transmission from overload damage; determining that the motor and transmission were in good working order prior to the failure; establishing that the wash tub...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... unexpected than others and can more easily be misinterpreted. Additional examples also are available in the Selected References list at the end of this article. Aluminum-Mercury The embrittlement of aluminum alloys by mercury is an easily studied model system and has been the subject of much research...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... by mercury is an easily studied model system and has been the subject of much research. However, there have been relatively few examples of such failures having occurred in service. One case has been described of mercury-induced cracking of aluminum alloy piping in a natural gas processing plant ( Ref 6...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... that hard and brittle constituents of the microstructure are not fractured or microspalled by the abrasive forces. Under these circumstances, ferrous alloys containing hard carbides have good to excellent wear resistance. Ceramics and synthetic stone (e.g., fused silicates) are also used...