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high-energy-beam brazing

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290165
EISBN: 978-1-62708-306-5
... soldered or brazed together. Intricate assemblies can be produced with low distortion, high fatigue resistance, and good resistance to thermal shock. Joints tend to be strong if well filled, unless embrittling phases are produced by reaction between the filler metal and the components. Soldered...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... not reach an external surface. Resistance welding is fast. When done locally, a spot results, hence “spot” welding. When spots overlap, the result is “seam” welding. Electron beam welding is a high-energy-density fusion welding process that works by bombarding the joint to be welded with an...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720267
EISBN: 978-1-62708-305-8
... Abstract Ultrasonic inspection is a nondestructive method in which beams of high frequency acoustic energy are introduced into a material to detect surface and subsurface flaws, to measure the thickness of the material, and to measure the distance to a flaw. This chapter begins with an overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... high cost and the inability of such methods to accurately predict the quality of those joints that were not inspected. References 1. Nondestructive Inspection of Weldments, Brazed Assemblies, and Soldered Joints , Nondestructive Evaluation and Quality Control , Vol 17 , ASM...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560309
EISBN: 978-1-62708-291-4
... . 17. Baach N. , Proc. 27th National Conf. Australian Welding Institute , Brisbane , 1979 . 18. Electron-Beam Welding , ASM Handbook , Vol. 6 , Welding, Brazing and Soldering , ASM International , Materials Park, OH , 1993 , p 234 . 19. Laser-Beam Welding , ASM Handbook...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... Abstract This chapter discusses the fusion welding processes, namely oxyfuel gas welding, oxyacetylene braze welding, stud welding (stud arc welding and capacitor discharge stud welding), high-frequency welding, electron beam welding, laser beam welding, hybrid laser arc welding, and thermit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120065
EISBN: 978-1-62708-269-3
... cooling rate on microstructure.) In the near-HAZ regions, high cooling rates associated with low-energy input welding processes, such as laser beam, electron beam, and resistance welding (100–10,000 °C/s, or 180–18,000 °F/s), promote transformation of beta to alpha-prime martensite. This extremely...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... common methods used for fusion welding of beryllium are electron beam (EB) and gas tungsten arc (GTA), also known as tungsten inert gas (TIG), welding [ Hill et al. 1990 , Merlini and Bush 1978 , Gilliland and Slaughter 1963 , White et al. 1962 ]. (The electron beam welding process is a high-density...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
.... Soft-vacuum techniques have been used, and there is some contamination, but the extent is uncertain. Electron beam welds have high depth-to-width ratios. Such narrow welds cause less distortion than is obtained with GMAW, GTAW, and PAW. Conventional equipment is used to weld titanium and its alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290001
EISBN: 978-1-62708-306-5
... application for joining not only difficult metals and delicate parts but also sheets of different thicknesses for tailored blanks used in automobile body construction. All high-energy beam processes have the advantage that the HAZ is small, as shown in the EB weld microstructure in Fig. 1.7 . Fig. 1.7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... finished product, there are a staggering number of production techniques that may be employed. The possibilities range from high-volume mill production ( Fig. 6.1 ) to the manufacture of complex parts by powder metallurgy ( Fig. 6.2 ), or the joining of thin foil by ultrasonic welding ( Fig. 6.3...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
... that heat and resultant high temperatures be applied to cause the chemical changes to occur. In order to effect microstructural changes in alloys, heat invariably is required. Thus, heat treatment is the logical consequence of the processing requirements for superalloys as well as the logical precursor...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... consideration. Eutectics and narrow-melting-range alloys can withstand superheating to increase fluidity, thus permitting the use of narrow joint gaps. Based on the type of heating used, brazing processes are classified as furnace brazing, vacuum brazing, torch brazing, induction brazing, or electron beam...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... Abstract Ceramics normally have high melting temperatures, excellent chemical stability and, due to the absence of conduction electrons, tend to be good electrical and thermal insulators. They are also inherently hard and brittle, and when loaded in tension, have almost no tolerance for flaws...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440159
EISBN: 978-1-62708-262-4
... to the hard case. The three most common tempering processes that are used are furnace tempering, induction tempering, and residual heat tempering. Electron-beam surface hardening treatments utilize the energy from an electron beam to heat the surface of a ferrous part to a typical hardened...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230523
EISBN: 978-1-62708-298-3
..., Rocky Flats Division , Golden, CO Floyd D.R. , 1972b . “ Isotropic High Strength Beryllium ,” Report RFP-l816, United States Atomic Energy Commission, The Dow Chemical Co., Rocky Flats Division , Golden, CO Floyd D.R. , Leslie W.W. , and Dolechek L.F. , 1973 . “ Can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.9781627082983
EISBN: 978-1-62708-298-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
... process. It is inherently slow and does not require rapid response time in order to control the size of the weld puddle. Greater skill is needed to control the more rapid fluctuations in arc processes. The weld pool created by the high-heat-intensity processes, such as laser beam and electron beam welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120079
EISBN: 978-1-62708-269-3
... strippable, chemically resistant mask. Areas where chemical action is desired are stripped of the mask, and then the part is submerged in the chemical reagent to dissolve the exposed material. In LBM, material is removed by focusing a laser beam and a gas stream on a workpiece. The laser energy causes...