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electron beam melting

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005204
EISBN: 978-1-62708-187-0
... Abstract Electron beam melting includes melting, refining, and conversion processes for metals and alloys. This article describes the electron beam melting process, as well as the principles, equipment, and process considerations of drip melting and cold hearth melting process. electron...
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Published: 01 December 2008
Fig. 2 Examples of electron beam melting and casting processes. (a) Button melting with controlled solidification for quantitative determination of low-density inclusions. (b) Consolidation of raw material, chips, and solid scrap to consumable electrodes for vacuum arc or electron beam More
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Published: 01 January 1990
Fig. 6 Particle shape of niobium powder made by electron beam melting, hydriding, crushing, and degassing. 250× More
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Published: 30 September 2015
Fig. 7 Particle shape of tantalum powder produced by electron beam melting, hydriding, crushing, and degassing. Courtesy of Prabhat Kumar More
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Published: 01 December 2008
Fig. 1 Schematic of the electron beam melting process More
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Published: 15 June 2020
Fig. 35 Electron beam melting additive-manufactured copper cathode. (a) Design figure. (b) As-fabricated. (c) Final polished. (d) Assembly figures. (e) Installed in the Pegasus photoinjector. Source: Ref 40 More
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Published: 12 September 2022
Fig. 2 Configuration of an electron beam melting system. Adapted from Ref 45 More
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Published: 01 January 1990
Fig. 110 Rotating-beam fatigue strength of wrought electron-beam-melted tantalum. Sample impurities: <44 ppm C + N 2 More
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Published: 15 June 2020
Fig. 4 Scanning electron micrographs of electron-beam-melted alloy 718 processed at (a) lower temperature (915 °C, or 1680 °F) and (b) higher temperature (990 °C, or 1815 °F). (c) Time-temperature-transformation diagram of alloy 718 showing that between 900 and 1000 °C (1650 and 1830 °F More
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Published: 01 January 1990
Fig. 106 Low-temperature tensile properties of electron-beam-melted tantalum bar. Sample impurities: <0.003% C, <0.003% O 2 , 0.0008% N 2 , <0.08% other. Bar was annealed for 3 h at 1200 °C: hardness, 83 HV; grain size, ASTM No. 5. Crosshead speed: unnotched specimens, 0.5 mm/min More
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Published: 01 January 1990
Fig. 107 Elevated-temperature tensile properties of 1 mm thick electron-beam-melted tantalum sheet. Sample impurities (both lots): 0.0030% C, 0.0016% O 2 , 0.0010% N 2 , <0.040% other. Stress-relieved sheet was cold rolled 95% and stress-relieved for 1 4 h at 730 °C More
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Published: 01 January 1990
Fig. 111 Cr