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coated electrodes

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001353
EISBN: 978-1-62708-173-3
... of the SMAW process and describes the equipment used. It provides information on various coated electrodes used in the SMAW process, including mild and low-alloy steel-covered electrodes, stainless steel covered electrodes, and nickel and copper alloys covered electrodes. It reviews weld schedules...
Image
Published: 01 June 2012
Fig. 12 Atomic force microscopy three-dimensional image of the surface texture of a titanium-nitride-coated electrode More
Image
Published: 31 October 2011
Fig. 2 The coating on a coated (stick) electrode provides a gaseous shield around the arc and a slag covering on the hot weld deposit. More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001485
EISBN: 978-1-62708-173-3
... of electrodes are described below. Direct-Current Copper-Coated Electrodes Direct-current copper-coated electrodes are the most widely used type, because of their comparatively long electrode life, stable arc characteristics, and groove uniformity. These electrodes are made by mixing carbon and graphite...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005608
EISBN: 978-1-62708-174-0
..., but it is not consumed in the welding operation. This wire-feed process continuously provides a new copper surface for contact with the work metal and is often used on coated materials. In tin mill products, the tin build-up which would occur on a copper wheel electrode is thus avoided. The process requires specially...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001365
EISBN: 978-1-62708-173-3
... the electrode wheels if special provisions are made. Coated steels are generally more weldable using seam welding than laser welding, because coating volatility is minimized by the intense pressure field in the weld zone. Resistance seam welding is not particularly fitup-sensitive compared to laser...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005176
EISBN: 978-1-62708-186-3
... melted by the intense heat of the arc and then removed by the jetlike gas stream issuing from the torch nozzle. The PAC process relies on heat generated from electrical arcing between the torch electrode and the workpiece. It generates very high temperatures (28,000 °C, or 50,000 °F, compared to 3000 °C...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
... value, temperature, concentration of the electrolyte, and the hydrodynamic conditions at the electrode affect the actual behavior ( Ref 1 , 2 , 3 , 4 ). Corrosion of Coating-Substrate Systems In principle, the corrosion behavior of a coated part (i.e., a coating-substrate system) is determined...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005594
EISBN: 978-1-62708-174-0
... depends on interelectrode distance and the type of material being welded. In all cases, current shunting will lead to a lower electrode life when welding zinc-coated steels, due to the need to use higher welding currents to compensate for the shunt currents (this can also lead to additional electrode...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003654
EISBN: 978-1-62708-182-5
... , 33 , and 35 ). However, certain factors, including electrode asymmetry (material differences, bias voltages, coatings) and the influence of instrumental noise, may affect results and must be considered when employing electrochemical noise measurement as a monitoring tool ( Ref 36 , 37 , 38...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006079
EISBN: 978-1-62708-175-7
...Abstract Abstract Metals and alloy powders are used in welding, hardfacing, brazing, and soldering applications, which include hardface coatings, the manufacturing of welding stick electrodes and flux-cored wires, and additives in brazing pastes or creams. This article reviews...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001363
EISBN: 978-1-62708-173-3
... shunting will lead to a lower electrode life when welding zinc-coated steels due to the need to use higher welding currents to compensate for the shunt currents (this can also lead to additional electrode sticking problems) and to the rapid falloff in weld size that occurs under conditions where current...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004113
EISBN: 978-1-62708-184-9
... where the tank is in contact with the soil. This article describes the soil characteristics and addresses cathodic protection (CP) criteria for submerged metallic piping systems. It provides information on the data required for designing a CP system, alone or in conjunction with a protective coating...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005570
EISBN: 978-1-62708-174-0
... flux (chipped ends), core wires that are not centered within the flux covering, and covered ends (coating covering the strike end of the electrode). Overall, welds of excellent quality can be obtained with the SMAW process, as demonstrated by its use in naval ship repairs and off-shore oil jack-up rigs...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006564
EISBN: 978-1-62708-210-5
... as well as a clean weld of good soundness. The use of proper flux is very important. Metal-arc welding is done with flux coated electrodes using direct current and reverse polarity (work negative). No flux is required in the inert-gas-shielded-tungsten-arc welding process. Application Characteristics...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005643
EISBN: 978-1-62708-174-0
... in.) Downhand or horizontal vertical joints suitable for automatic welding; boilers, pressure vessels, structural steel; horizontal joints in storage tanks Manual metal arc welding (coated electrodes) Arc Alternating or direct current; electrode positive or negative Short lengths of wire coated with flux...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001291
EISBN: 978-1-62708-170-2
... of using vacuum arc deposition to produce coatings stems from the copious quantity of ions of electrode material composition that are generated during the discharge. Because the output of the vacuum arc is highly ionized, it is possible to control both the trajectory of the coating material during its...