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electron beam welding defects

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Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005614
EISBN: 978-1-62708-174-0
... joints. An overview of scanning and joint tracking techniques for inspection of electron beam-welded joints is also included. The article concludes with discussions on EBW defects, the use of filler metal for weld repair, and the control plans, codes, and specifications of the EBW process. References...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005610
EISBN: 978-1-62708-174-0
... The primary goal of quality control in electron beam (EB) welding is to consistently produce defect-free and structurally sound welds. This article discusses the common procedures for controlling the EB welding process, the control of the essential machine parameters, and the introduction of closed-loop...
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
... welding processes. The article also describes failure origins in other welding processes, such as electroslag welds, electrogas welds, flash welds, upset butt welds, flash welds, electron and laser beam weld, and high-frequency induction welds. arc welding brittle fracture electrogas welds...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003785
EISBN: 978-1-62708-177-1
..., and titanium alloy joints, highlighting important details such as solidification and solid-state transformation structures and what they reveal about the welding process. Besides arc welding, it also discusses laser and electron beam welding methods, resistance and spot welding, and the welding of dissimilar...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005579
EISBN: 978-1-62708-174-0
... temperature measurements and numerical simulations have indicated that this temperature can be exceeded in stainless steel GTA weld pools under normal welding conditions. electron beam welds fluid flow gas metal arc welding gas tungsten arc welding laser welds submerged arc welding weld defects...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
...Abstract Abstract This article provides an overview of the types of weld discontinuities that are characteristic of specialized welding processes. These welding processes include electron-beam welding, plasma arc welding, electroslag welding, friction welding, resistance welding, and diffusion...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005616
EISBN: 978-1-62708-174-0
... part. (b) Corresponding x-ray image showing a long wormhole defect along the advancing side of the weld. Courtesy of GE Fig. 2 (a) Beam focusing and (b) beam steering effects of a linear phased array Fig. 5 Ultrasonic pulse-echo technique for a solid-state weld examination. UT...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006477
EISBN: 978-1-62708-190-0
.... , “Digital Radiography for the Inspection of Small Defects,” Paper presented at NDT 2005 , Sept 2005 ( Harrogate, U.K. ) 2. Ikeda Y. and Mitzuta Y. , Image Subtraction Method in Digital Radiography of Welding , Recent Advances in Nondestructive Evaluation Techniques for Material...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006469
EISBN: 978-1-62708-190-0
... along the zigzag scanning path used during the manual angle-beam ultrasonic inspection of welded joints. The movement of the ultrasound beam path across the weld is shown on a section taken along the centerline of the transducer as it is moved (a) from the far left position in the scanning path, (b...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005641
EISBN: 978-1-62708-174-0
... , Amsterdam , 1983 , p 113 – 200 10.1016/B978-0-444-86396-6.50009-X 2. Verhaeghe G. and Dance B. , An Assessment of the Welding Performance of High-Brightness Lasers and a Comparison with In-Vacuum Electron Beams , Proceedings of the Laser Institute of America's ICALEO 2008 ( Temecula...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001334
EISBN: 978-1-62708-173-3
.... Instabilities in the liquid film around the keyhole in electron beam and laser welds are responsible for the uneven penetration (spiking) characteristic of these types of welds. Mass Transport in the Arc Gas Tungsten Arc Welding Deep-Penetration Electron Beam and Laser Welds Gas Metal Arc Welding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001415
EISBN: 978-1-62708-173-3
... (GTAW), gas-metal arc welding (GMAW), plasma arc welding (PAW), laser-beam welding (LBW), and electron-beam welding (EBW); each of these processes are discussed later in this article. With the arc and laser welding processes, protection of the weld zone can be provided by localized inert-gas shielding...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001766
EISBN: 978-1-62708-178-8
..., electron beam/specimen interactions and the generation of a signal, signal detectors, electron diffraction, imaging, x-ray microanalysis, electron energy loss spectroscopy, and sample preparation. The second section consists of 12 examples, each illustrating a specific type of materials problem that can...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006582
EISBN: 978-1-62708-290-7
...: Ref 34 The powder-bed processes of selective laser melting and electron beam melting are the two most widely used fusion AM processes for nickel-base superalloys. As a result, fusion AM processes present opportunities in the space of texture control as well as challenges in the form of defects...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006502
EISBN: 978-1-62708-207-5
..., Germany , p 18 – 19 11. “Welding. Electron and Laser Beam Welded Joints. Guidance on Quality Levels for Imperfections, Part 2: Aluminum and Its Weldable Alloys,” ISO 13919-2, International Organization for Standardization 12. Ransley C.E. and Neufeld H. , Metall. Trans. A , Vol...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001821
EISBN: 978-1-62708-180-1
... of the riveted angle end connection. (a) Floor beam/tie girder connection. (b) Crack along the web-flange weld above the end connection Abstract Abstract This article illustrates the defects, which result because of poor-quality welds in the bridge components. The cracks resulting from the use of low...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001467
EISBN: 978-1-62708-173-3
... should be projected vertically to help prevent incomplete-fusion defects from dispersoid entrapment. Because MA 956 is magnetic, it should be demagnetized before electron-beam welding to prevent unwanted beam deflection. Resistance welding of ODS alloys is typically implemented with parameters...
Book Chapter

By K. Sampath
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002488
EISBN: 978-1-62708-194-8
... for Metals , 1986 , p 529 – 549 3. Adhesives , Engineered Materials Handbook Desk Edition , Gauthier M. , Ed., ASM International , 1995 , p 633 – 671 4. Procedure Development and Practice Considerations for Electron-Beam Welding , Welding, Brazing, and Soldering , Vol 6 , ASM...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001444
EISBN: 978-1-62708-173-3
... 2.03 0.80 6.12 241 13.4 528 2.20 2.54 0.100 4.75 187 10.5 412 2.21 3.81 0.150 3.00 118 6.68 264 2.24 (a) Based on welding speed in air being equivalent to 1.00 Relation of depth to width (<italic>D</italic>/<italic>W</italic>) for partial-penetration electron-beam...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006549
EISBN: 978-1-62708-290-7
... low levels of gaseous species. Processing in a vacuum during electron-beam-based DED mandates using wire as a feedstock. Arc-based DED processing typically has adapted the gas metal arc welding (GMAW) process with automated motion, such as through a robot or gantry, to deposit material, similar...