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Marine environments

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Published: 01 January 2000
of the galvanized coating in marine environments is influenced by proximity to the coastline and prevailing wind direction and intensity. In marine air, chlorides from sea spray can react with the normally protective, initial corrosion products to form soluble zinc chlorides. When these chlorides are washed away More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870179
EISBN: 978-1-62708-299-0
... Magnesium and magnesium alloys Active or anodic Graphite/aluminum composites exhibit accelerated corrosion in marine environments when graphite fibers and aluminum are simultaneously exposed. Assuming that the edges of the graphite/aluminum composite are masked off to prevent exposure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080249
EISBN: 978-1-62708-304-1
... the alloys tested ( Ref 17 ), alloy X-40 (Co-25Cr-10Ni-7.5W) performed best. This is in good agreement with the operating experience obtained by Royal Navy Ship (U.K.), which has demonstrated the superior hot corrosion resistance of alloy X-40 in a marine environment ( Ref 18 ). Alloy X-40 was also found...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... organisms, that can significantly alter the response of the material in a given environment. Take, for example, the complex interaction of various elements that make up the chemistry of the environments in which automobiles are driven. The combination of natural environments (rain, snow, humidity, marine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310243
EISBN: 978-1-62708-286-0
... and that have been only marginally successful in marine environments. The inertia in changing from the weaker, less-corrosion-resistant, more expensive austenitic stainless steels is large because of less availability of the newer, better alloys, and lack of familiarity with their benefits. Those who understand...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340325
EISBN: 978-1-62708-427-7
... for the new H321 marine temper requires that metal pass a laboratory test to demonstrate that, in a sensitized state, it will not experience severe grain boundary attack. Alloys for Outboard Engines Another issue encountered in the marine environment is the potential for corrosion or damage to aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910407
EISBN: 978-1-62708-250-1
... will not corrode reliably onshore or in freshwaters. In marine environments, the chloride content of seawater depassivates some aluminum alloys and allows them to perform reliably as anode materials. Unfortunately, it is necessary to add mercury, antimony, indium, tin, or similar metals to the aluminum alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... of, or an accelerating factor in, corrosion involve localized forms of attack. One reason for this is that organisms usually do not form in a continuous film on the metal surface. The large fouling organisms in marine environments settle as individuals, and it is often a period of months or even years before a complete...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030005
EISBN: 978-1-62708-282-2
... by the presence of chloride ions, which can be found in airborne salinity in marine-coastal environments. Localized attack of some aluminum alloys, such as those containing copper, can take the form of layered corrosion, exfoliation, detachment, and deformation, of thin layers within the metal surface when...
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Published: 01 December 2015
Fig. 5 Variation in temperature ( T ) and relative humidity (RH) during 1998 in marine-coastal and rural-urban environments with tropical humid climate (Gulf of Mexico) More
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Published: 01 December 2015
Fig. 7 Distribution of the annual time of wetness (%) in different temperature intervals presented in the marine-coastal tropical humid environment of the port of Progreso (Gulf of Mexico) in 1998 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... to be an accelerated test representative of certain natural conditions (particularly marine environments), it is not intended to relate to specialized chemical environments. A comparison of the stress-corrosion cracking (SCC) behavior of a variety of aluminum alloys in the ASTM G 44 test and in a severe seacoast...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870135
EISBN: 978-1-62708-299-0
..., for example the various ASTM symposia in the Selected References at the conclusion of this chapter). Historically the severity of the environment has been indicated by designing an environment as rural, urban, industrial, and marine, or a combination of these ( Ref 1 – 3 ). Rural Atmosphere...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870075
EISBN: 978-1-62708-299-0
... to aluminum and corrodes preferentially, giving protection to aluminum. Magnesium is similarly protective, although in severe marine environments it causes cathodic corrosion of aluminum because of an alkaline condition produced on the aluminum surface. Cadmium is neutral to aluminum and can safely be used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... Abstract All materials are susceptible to corrosion or some form of environmental degradation. Although no single material is suitable for all applications, usually there are a variety of materials that will perform satisfactorily in a given environment. The intent of this chapter is to review...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480353
EISBN: 978-1-62708-318-8
... equipment, sporting goods, oil and gas production, and marine vessels. aerospace applications medical applications power utility applications titanium THE BIRTH of the commercial titanium industry occurred when U.S. companies TIMET and Rem-Cru Titanium were established in 1950...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... low-alloy steels, hardenable stainless steels, austenitic stainless steels, copper-base alloys, titanium and titanium alloys, aluminum and aluminum alloys, and nickel and nickel alloys. It identifies material-environment combinations where SCC is known to occur, provides guidelines on how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910001
EISBN: 978-1-62708-250-1
... of the metal with the environment. Reference to marine corrosion of a pier piling means that the steel piling corrodes because of its reaction with the marine environment. The environment is air-saturated seawater. The environment can be further described by specifying the chemical analysis of the seawater...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350011
EISBN: 978-1-62708-315-7
... Exfoliation is a form of macroscopic intergranular corrosion that primarily affects aluminum alloys in industrial or marine environments. Corrosion proceeds laterally from initiation sites on the surface and generally proceeds intergranularly along planes parallel to the surface. The corrosion products...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090095
EISBN: 978-1-62708-266-2
... Sensitization is very detrimental to chloride SCC resistance, and in many cases it appears to cause SCC. As shown in Table 4.3 ( Ref 4.51 ), sensitization can cause some stainless steels to become susceptible to intergranular cracking in chloride environments such as marine atmosphere. Partial sensitization...