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ultrasonic additive manufacturing

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Published: 30 September 2024
Fig. 11.1 Schematics of different additive manufacturing variants. (a) Laser powder-bed fusion. (b) Laser directed-energy deposition. (c) Electron beam directed-energy deposition. CCD, charge-coupled device. (d) Gas metal arc directed-energy deposition. (e) Ultrasonic additive manufacturing More
Image
Published: 30 September 2024
Fig. 11.8 Inverse pole figure maps of the interface between (a) the first and second tapes of sample A, (b) seventh and eighth tapes, (c) fourth and fifth tapes, and (d) first and second tapes of sample B in a very-high-power ultrasonic additive manufacturing (UAM) AA3003 aluminum alloy. (e More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400247
EISBN: 978-1-62708-479-6
...-coupled device. (d) Gas metal arc directed-energy deposition. (e) Ultrasonic additive manufacturing. (f) Binder-jet process. Source: Ref 11.6 Directed-Energy Deposition The directed-energy deposition (DED) route of material building involves melting the feedstock while depositing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400391
EISBN: 978-1-62708-479-6
... transmission electron microscopy TPU thermoplastic polyurethane UAM ultrasonic additive manufacturing UDEDM uniform deformation energy density model UDM uniform deformation model ULTEM polyetherimide USDM uniform stress deformation model UV ultraviolet WAAM wire arc additive...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2024
DOI: 10.31399/asm.tb.pmamfa.t59400207
EISBN: 978-1-62708-479-6
... material used in the Helisys LOM process ( Ref 10.46 ). It has one side covered with a thermoplastic polymer, which melts and connects the preceding layer to build a strong structure. Laminated object manufacturing-based ultrasonic additive manufacturing can create some intricate frameworks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... along with best practices and procedures. composite manufacturing radiographic inspection thermographic inspection ultrasonic inspection visual inspection FLAWS CAN OCCUR, unfortunately, at almost any stage of the composite manufacturing process or during service. A summary of some...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930085
EISBN: 978-1-62708-359-1
..., but with some loss in resolution. In addition to the beam angle mentioned above, probes can be selected according to ultrasound frequency, transducer diameter, and wave mode (shear or compression). Lower frequencies, such as 1 to 2.5 MHz, are used on thick sections. An important aspect of ultrasonic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... surface flaws; therefore, one or more additional methods are required for locating internal flaws. For example, many forgings for aerospace applications are inspected with liquid penetrants (or with magnetic particles, depending on the metal composition) for locating surface flaws, then by ultrasonics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320323
EISBN: 978-1-62708-332-4
... that the manufacturing process be controlled within established limits. The different stages are: Identifying important process variables Measuring these variables using accurate instrumentation Monitoring the variability of process elements and documenting Controlling the process to prevent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... should discuss the requirements with the casting manufacturer during purchase negotiations and purchase order specifications. In addition, the criteria that should be used by the inspector in determining acceptability or rejectability of a part should be agreed upon. Again, overspecification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200065
EISBN: 978-1-62708-354-6
... for Chapter 4, “Specifying Steel Castings” Introduction Steel castings like any manufactured item are purchased to fill a predetermined role. The necessary attributes of the casting such as strength, toughness, corrosion resistance, heat resistance, soundness and dimensional tolerances are dictated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... Abstract Fabricated powder metallurgy (P/M) parts are evaluated and tested at several stages during manufacturing for part acceptance and process control. The various types of tests included are dimensional evaluation, density measurements, hardness testing, mechanical testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720321
EISBN: 978-1-62708-305-8
... and receiver. The ultrasonic method is characterized by high sensitivity and very deep penetration, but in addition to its surface limitations, its production speed is relatively low. A liquid couplant is necessary and can be a source of interference. This method is suitable for testing ingots, billets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... Abstract This chapter concentrates almost exclusively on inspection techniques related to pressure vessels and pipework. The discussion covers the general aspects associated with inspection and the key factors relevant to it. In addition, the chapter addresses processes involved in data...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... to control the manufacturing process more effectively and preventing defective components from being produced. In addition, CMMs are also being used in entirely new applications; for example, reverse engineering and computer-aided design and manufacture (CAD/CAM) applications as well as innovative approaches...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
..., inboard flap hinge bolt, nose landing gear piston axle, multiple-leg aircraft-handling sling, aircraft hoist sling, internal spur gear, and MLG axle. In addition, the chapter provides information on full-scale fatigue testing, nondestructive testing, and failure analysis of fin attach bolts. high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310091
EISBN: 978-1-62708-346-1
... of indenters, additional information can be derived from the measurement results. By comparing images taken right after manufacturing with images taken after a longer period of use, it is possible to show the wear quantitatively. The additional information can also be used to formulate correlations between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
... through the unit. Specifications may call for circumferential inspection from two directions because the reflection from a flaw may vary, depending on the direction in which the ultrasonic beam strikes it. In addition to the circumferential inspection to detect longitudinal flaws, a longitudinal (axial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... with specialized welding processes, and base metal discontinuities. In addition, information on the common inspection methods used to detect these discontinuities is provided. imperfections weld discontinuities welding DISCONTINUITIES are interruptions in the desirable physical structure of a weld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... of nondestructive inspection of weldments including visual inspection, liquid penetrant inspection, magnetic particle inspection, radiographic inspection, ultrasonic inspection, leak testing, and eddy current and electric current perturbation inspection. The chapter also describes the properties of brazing filler...