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Hulls (structures)

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Published: 30 November 2018
Fig. 2 Examples of aluminum fabricated structures. (a) Aluminum hull superstructure of a patrol boat fabricated with gas metal arc welding. Courtesy of Lincoln Electric. (b) Aluminum module of the United States Navy's Freedom variant of the littoral combat ship with varying combinations More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003481
EISBN: 978-1-62708-195-5
... and minehunters, is determined by the response of local structures, such as bulkheads and decks. On the other hand, the performance of ships longer than about 60 m (200 ft) is dominated by the hull girder stiffness. Because of the relatively low stiffness of most glass-reinforced polymer materials, almost all...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004108
EISBN: 978-1-62708-184-9
... Abstract Organic coatings are the principal means of corrosion control for the hulls and topsides of ships and for the splash zones on permanent offshore structures. This article describes surface preparation which is the most important consideration in determining the performance of organic...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004109
EISBN: 978-1-62708-184-9
... and the CP criteria. The article examines the design considerations and procedures involved in the CP of marine pipelines, offshore structures, and ship hulls. An illustration of sacrificial anode calculation is also provided. cathodic protection marine pipelines sacrificial anode systems...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003407
EISBN: 978-1-62708-195-5
... A typical yacht structure can be considered to be comprised of three different types of components: the main hull/deck assembly ( Fig. 4 ); the above-deck “rig” consisting of mast, boom, spinnaker pole, and sail furling systems; and the below-water appendages, the keel and rudder. Composites are used...
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
... the structural integrity or watertightness of the vessel is compromised. Currently, there are no clear guidelines for determining whether damage has weakened a vessel. However, the hulls of most composite ships have good damage tolerance because of the high safety factors used in design. For example, the design...
Image
Published: 30 September 2015
Fig. 9 Blistering and delamination of a coating system around bare steel areas and coating defects associated with cathodic protection on buried pipelines, immersed structures, and the hulls of ships More
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
... . Hulls, Fittings, and Fastenings Fasteners and fittings must be compatible with the common marine vessel hull structures of wood, fiberglass composite, steel, aluminum, ferrocement, and sheathed hulls. Wood Hull Fastenings Silicon bronze and type 316 stainless steel are preferred above...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003608
EISBN: 978-1-62708-182-5
... of the hull of the ship as the stray currents generated at the welding electrodes pass out of the hull through the water back to a grounded dc line located on shore. Work boats or construction barges that do welding of structures or pipelines in the water are always careful to ensure that grounds...
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
... coatings expected to last 15 to 20 years instead of five represents a huge cost avoidance. This article focuses on marine coatings associated with protecting commercial and military vessels ( Fig. 1 ). The article is broken down by vessel area (tanks, underwater hull, and topside), with a focus...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001403
EISBN: 978-1-62708-173-3
... Abstract The selection of materials for welded construction applications involves a number of considerations, including design codes and specifications. Mobile structures have quite different materials requirements for weight, durability, and safety than stationary structures, which are built...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003414
EISBN: 978-1-62708-195-5
... Production volume and relative part performance that can be achieved with various production techniques. SMC, sheet molding compounds; GMT, glass mat thermoplastics; RTM, resin transfer molding; SRIM, structural reaction injection molding; P/T, pressure/temperature Vacuum Infusion Versus RTM Vacuum...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002492
EISBN: 978-1-62708-194-8
... construction with honeycomb or foam results in lightweight alternatives to stiffened panels. As the part count is reduced, the complexity of the components is increased. The structural design may be as extensive as the aft fuselage of the V-22 Osprey (built by Boeing Defense and Space Group, Helicopters...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004100
EISBN: 978-1-62708-184-9
... means of corrosion control for ship hulls and topsides and for the splash zones on offshore structure and can be used with sacrificial metallic coatings to extend service life. Corrosion protection of marine pipelines is usually achieved through the use of protective coatings and supplemented by using...
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
... compound, which uses half-inch chopped glass and precision- matched steel dies. Personal watercraft are also being made by hand lay-up fiberglass and resin transfer molding with glass reinforcement for structural parts, such as hulls and decks. A composite kayak is reinforced with PE fibers. The high...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003254
EISBN: 978-1-62708-176-4
... dependent on microstructure (e.g., grain size, phase distribution, second phase content), crystal structure type (i.e., the arrangement of atoms), and elemental composition (e.g., alloying element content, impurity level). A common illustration of the relationship between micro-structure and mechanical...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005402
EISBN: 978-1-62708-196-2
... models for ordered phases such as the beta-brass B2 intermetallic phases in copper-zinc and nickel-aluminum and the ordered phases based on the face-centered cubic (fcc) structures in copper-gold. Both copper and gold exhibit the fcc structure and form a series of continuous solutions at high...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003416
EISBN: 978-1-62708-195-5
... Abstract Filament winding is a process for fabricating a composite structure in which continuous reinforcements, either previously impregnated with a matrix material or impregnated during winding, is placed over a rotating form or mandrel in a prescribed way to meet certain stress conditions...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001410
EISBN: 978-1-62708-173-3
... Abstract Austenitic stainless steels exhibit a single-phase, face-centered cubic structure that is maintained over a wide range of temperatures. This article reviews the compositions of standard and nonstandard austenitic stainless steels. It summarizes the important aspects of solidification...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
... of a composite structure. A broader overview of the entire design process is provided in Materials Selection and Design , Volume 20 of ASM Handbook. Overview of Design Criteria for Composites Design criteria are established in the initial phase of a design program, but may be changed throughout...