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plasma arc welding

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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
... imperfections may be tolerable and how the other may be root-cause defects in service failures. The article explains the effects of joint design on weldment integrity. It outlines the origins of failure associated with the inherent discontinuity of welds and the imperfections that might be introduced from arc...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001350
EISBN: 978-1-62708-215-0
... metal and filler wires. The root pass of the fillet weld was made by the tungsten inert gas welding, followed by manual metal arc welding with basic coated electrodes. After each pass, the weldments were inspected visually and by using dye penetrants. After fabrication was completed, the tank passed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... in hydroturbines and pumps is usually repaired by air-arc gouging to sound metal, cleaning the gouged area with a wire wheel or wire brush, preheating the areas to be repaired, filling the cavities with weld metal, and grinding to final contour. This seems simple enough, but often, in practice...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
.... Circumferential welding was done by the submerged arc process, using preheating at 200 °C (390 °F). Each subassembly was stress relieved by being heated to 620 to 660 °C (1150 to 1220 °F) for 6 h. Final joining of the three subassemblies followed the same welding procedures except that localized heating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... to remove the effects of prior cold work has been somewhat effective in reducing the materials susceptibility to stress corrosion cracking. Thermal cutting of stainless steels can also affect the materials susceptibility to sensitization. Vyas and Isaacs ( 7 ) determined that prior plasma arc cutting...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... solidification cracks. The joints had been produced using the mechanized gas-metal arc welding process. Cracking was attributed to improper control of welding parameters, and failure was attributed to weld defects. Air intakes Corrosion-resistant steels Diffusers Exhaust systems Low-cycle fatigue...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... fiber cloth (a) (a) 150 ≈50 1–20 (a) Silicon dioxide suspension Fig. 28 Ceramographic etching procedures Fig. 29 Silicon nitride (Si 3 N 4 ), plasma etched Fig. 30 Alumina (Al 2 O 3 ) thermally etched at 1500 °C (2700 °F) in air Fig. 25 Plot...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... on the outside of a copper heat-exchanger tube Fig. 29 Silicon nitride (Si 3 N 4 ), plasma etched Fig. 30 Alumina (Al 2 O 3 ) thermally etched at 1500 °C (2700 °F) in air Fig. 1 Intersection of two cracks. Crack “B” has been arrested at crack “A,” which occurred first. Fig...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
...)-traceable standard composition. Equipment used for the analysis must receive proper maintenance, including assurance that adequate calibrations have been upheld. Methods such as x-ray fluorescence (XRF), arc or spark optical emission spectroscopy (OES), and inductively coupled plasma OES (ICP-OES) can...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... or some other techniques should be used that will not alter the as-received condition. Burning (i.e., oxyacetylene or plasma arc cutting), if used, should be done far enough away from the fracture so that the heat does not alter the conditions. If the fracture is severely altered by corrosion, fire...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
...-base superalloy 1040 1905 3 S-816 cobalt-base alloy 980 1795 3 Hastelloy X nickel-base superalloy 1205 2200 3 HX (17Cr-66Ni-bal Fe) 1150 2100 3 (a) Seamless tube. (b) Electric-resistance-welded tube General power plant classifications Table 2 General...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... – 1555 10.1016/j.triboint.2010.10.014 17. Mary C. , Fouvry S. , Martin J.M. , and Bonnet B. , Pressure and Temperature Effects on Fretting Wear Damage of a Cu-Ni-In Plasma Coating versus Ti17 Titanium Alloy Contact , Wear , Vol 272 ( No. 1 ), 2011 , p 18 – 37 10.1016...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... of electrical arcs, which in extreme instances has led to houses being burned down. The transportation of goods by road or rail obviously means that these items are subjected to vibration. This fact gave rise to the classic case of fretting in the bearings of automobiles being transported by rail from...