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underwater cutting

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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
... measures recommended for plasma arc cutting and air carbon arc cutting. Special applications of electric arc cutting, including shape cutting, gouging, and underwater cutting, are also discussed. The article provides information on other electric arc cutting methods, namely, the exo-process and oxygen arc...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001484
EISBN: 978-1-62708-173-3
....” Gases and fumes created by the PAC process can be effectively controlled by properly installed ventilation systems in the work area. Water tables that are used either alone, for surface or underwater cutting, or in conjunction with water-shrouded systems can effectively reduce gases and fumes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... to obtain and maintain ignition at the point where the oxygen jet strikes the surface of the work. The process finds greatest use in underwater cutting. When cutting oxidation-resistant metals, melting action occurs. The covering on the electrode acts as a flux; it functions in a manner similar...
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
... process that have different compositions of core wire and a variety of flux-covering types and weights. It includes information on gravity and firecracker welding and discusses dry and wet types of underwater welding. Finally, the article reviews the safety considerations to be followed during SMAW...
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
... operation. Certain pieces of auxiliary equipment can be used with the SMAW process, such as low-voltage control circuits, which enable the relatively high open-circuit voltage to be cut off until the electrode touches the workpiece. Other items include remote-control switches for the contactors, remote...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005175
EISBN: 978-1-62708-186-3
...) of water. The Navy and several shipyards use MPS gas for underwater work. Table 6 provides data for oxy/MPS gas cutting of carbon steel plate. Recommended parameters for oxy/methylacetylene-propadiene-stabilized (MPS) gas cutting of carbon steels Table 6 Recommended parameters for oxy...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006048
EISBN: 978-1-62708-172-6
... wax repel water and have very low moisture absorption and transmission rates. With the right methods, these coatings can literally be applied underwater. The waxes are chemically inert, so they do not degrade and have excellent length of service. For example, one application of microcrystalline...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006013
EISBN: 978-1-62708-172-6
... Fig. 18 Underwater hull and freeboard of U.S. Navy vessel. Courtesy of Naval Sea Systems Command Fig. 19 Nonskid on U.S. Navy vessel Fig. 10 U.S. Navy micrograph depicting good edge retention. Courtesy of Naval Sea Systems Command Fig. 11 Evolving factors surrounding...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
... the essential equipment components and necessary controls. The various thermal spray processes are conventional flame spray, detonation gun, high-velocity oxyfuel spray, electric arc spray, and plasma arc spray. Other processes, such as cold spray, underwater plasma arc spray, and extended-arc and other high...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005174
EISBN: 978-1-62708-186-3
... cutting and metal powder cutting. Other gas cutting methods may be identified by the special purposes for which they are intended, such as oxyfuel gas gouging, oxygen lance cutting, and underwater gas cutting. These various types of oxygen cutting processes using oxyfuel gas and its modifications (i.e...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006532
EISBN: 978-1-62708-207-5
..., gallium etc. 3. Useful for cutting intricate cavities in thin section of brittle materials. 4. Initial investment cost is low. 10–20 0.25–1.25 50–125 WJM Mechanical 1. It can cut any class of material. 2. It can cut stacked materials. 3. There is no heat affected zone, no recast layer...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
..., careful visual inspection should always precede any technique requiring destruction or cutting of a failed part. A frequent error in investigating a failure is to interpret it automatically on the basis of the most commonly known causes indicated from past experience. Although this cannot be avoided...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
... to weathering (e.g., moisture, ultraviolet radiation). Wartime environment Small-arms fire, missile strikes, air blasts, and underwater explosions can also damage naval ships. Types of damage to marine composites Table 2 Types of damage to marine composites Defect type Defect description...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
... resistance Mudcracking resistance at high PVC/CPVC Texture Thixotropy High build capabilities Nonsagging Nonsettling High viscosity Crack bridging Roof coatings Block fillers Textured coatings Zinc-rich primers High-build mastics Asphaltic and coal tar coatings Tennis court coatings Asbestos Cut textile...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... should always precede any analytical technique requiring destruction or cutting of a failed part. A frequent error in investigating a failure is to interpret it immediately on the basis of the most commonly known causes indicated from past experience. Although this cannot be avoided entirely, efforts...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003479
EISBN: 978-1-62708-195-5
... construction made by a lost-core injection molded process. An aluminum rim is bonded to the wheel. The result is a strong and lightweight composite wheel at half the cost of a traditional carbon/ epoxy hand-laid-up wheel. Aramid-fiber composites are being made into disc wheels. The aramid wheels cut...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005595
EISBN: 978-1-62708-174-0
... testing of the weld interface has shown higher hardness values near the weld interface compared to the base metal ( Ref 26 ). This phenomenon is due to the compression of grains at the weld interface. The testpieces cut from the center of the welds (along the length of the weld) of aluminum-aluminum...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001483
EISBN: 978-1-62708-173-3
... for underwater work. Table 6 provides data for oxy/MPS gas cutting of carbon steel plate. Recommended parameters for oxy/MPS gas cutting of carbon steels Table 6 Recommended parameters for oxy/MPS gas cutting of carbon steels Plate thickness Cutting tip no. (a) Cutting speed Oxygen MPS gas...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002151
EISBN: 978-1-62708-188-7
...Abstract Abstract Metal is removed from the workpiece by the mechanical action of irregularly shaped abrasive grains in all grinding operations. This article discusses three primary components of grinding wheels, namely, abrasive (the cutting tool), bond (the tool holder), and porosity or air...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004139
EISBN: 978-1-62708-184-9
...-saturated, oxygen-depleted wood. A combination of corrosion resistance and mechanical strength is needed that exceeds most mild steel and common brass. Most of the copper alloy seavalves, seacocks, or through-hulls and other underwater fittings are made of cast phosphor bronze (UNS C94300) or a cast...