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Topic: Galvanization

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In the News (Thu 23 May 19)

It is obvious: hot dip galvanization is a process where lage quantities of pieces can be coated with less manpower and with low costs.
Galvanization is one of very few types of coating which was explained in the standards.
And the galvanized steel can be used in designs where there can be erosion to the steel, because of this sturdy coating.
www.galvaniz.com /EN/ekonomikfayda.html   (666 words)

Galvanization, named after the Italian scientist Luigi Galvani, was originally the administration of electric shocks (in the 19th century also termed Faradism, after Michael Faraday).
Nowadays it typically means hot-dip galvanizing, a chemical process that is used to coat steel or iron with zinc.
Galvanic[?] or sacrificial anode protection uses ingots of zinc electrically bonded to the metal it is to protect where the metals will be subject to an electrolytic solution.
www.ebroadcast.com.au /lookup/encyclopedia/ga/Galvanize.html   (256 words)

 Back to Basics: Inspecting Welds in Galvanized Steel 2005-10-023
Zinc galvanization, per square foot per year, is the most cost-effective means of corrosion protection in the world today, yet the process of galvanizing steel has been a little understood technology for more than a hundred years.
Galvanization of structural bolts has recently come under scrutiny with the reminder that fully tensioned ASTM structural fasteners should always be qualified after galvanization.
In this case, excess silicon was thought to aid the dissolution of iron from the weld metal during galvanization, resulting in a concentration of iron trapped in the upper surface of the galvanization.
www.aws.org /itrends/2005/10/023   (1532 words)

 Galvanization - Wikipedia, the free encyclopedia
Galvanization or galvanisation refers to any of several electrochemical processes named after the Italian scientist Luigi Galvani.
In current use, it typically means hot-dip galvanizing, a chemical process that is used to coat steel or iron with zinc.
Galvanic protection (also known as sacrificial-anode or cathodic protection) can be achieved by connecting zinc both electronically (often by direct bonding to the protected metal) and ionically (by submerging both into the same body of electrolyte, such as a drop of rain).
en.wikipedia.org /wiki/Galvanization   (629 words)

 Process for adjusting the composition of a zinc alloy used in the galvanization of steel - Patent 4439397
An alloy suitable for use in a process for adjusting the composition of a zinc alloy suitable for the dip galvanization of steel, which alloy consists essentially of from 5,000 to 50,000 ppm by weight of aluminum, and beryllium in a weight ratio to the aluminum of 1/11.5 to 1/24, balance essentially zinc.
The addition of aluminium and magnesium to the galvanisation bath presents special difficulties associated with the low density of these metals, with their high oxidisability, and, to a certain extent, with the fact that these metals are not liquid at the temperature of the molten zinc baths, namely at about 450.degree.
This oxidation, which is slow on a bath not being used, on which a layer of protective oxides forms, is greatly accelerated by the action of the galvanising fluxes (zinc chloride and ammonium chloride) and of the air drawn in during immersion of the articles to be galvanised.
www.freepatentsonline.com /4439397.html   (4048 words)

 Basics of hot dip galvanizing of steel tower structures
What considerably affects the appearance and gauge of galvanization is the contents of alloyable elements that are generally present in steel: carbon, magnesium, and silicon.
Section through galvanized coating showing pure metal zinc and zinc-iron alloy layers which are the normal coating developments on rimmed or aluminum killed steels.
The uncolored material close to the galvanized surface is aluminum sheet used to assist in preparation of the section and to show the features of the coating more clearly.
www.gordtelecom.com /H.G.D.htm   (320 words)

 Tresorie - Bursitis [Bursitis]
By galvanization we can, according to modern views, influence the restoration of the hydrogen on concentration and OH ions to their normal ratio.
In employing galvanization for this purpose in the acute stage, the positive pole is placed at the region of the injury.
After this treatment the electrodes are left in situ, and the galvanic current is changed to a sinusoidal one with a frequency of twenty interruptions per minute.
www.homeoint.org /hompath/articles/20.html   (2823 words)

 Aerospace Engineering Online: Technology update - Success after 100 years
Panels are dipped in the company's galvanization basin for surface sealing before being moved to the rinsing basin.
However, the use of a plastic membrane separates the active substances from the water, and both are being re-used for the galvanization process.
The two substances—water and aluminum ions—can be re-used separately for the galvanization process: the purified water is used for rinsing once more, and the ions are returned via a pipe to the reaction basin.
www.sae.org /aeromag/techupdate_4-00/11.htm   (402 words)

 galvanization | English | Dictionary & Translation by Babylon
Galvanization or galvanisation refers to any of several electrochemical processes named after the Italian scientist Luigi Galvani.Originally, galvanization was the administration of electric shocks (in the 19th century also termed Faradism, after Michael Faraday).
This archaic sense is the origin of the meaning of galvanic when meaning 'affected/affecting, as if by a shock of electricity; startled'.
This remains a useful and broadly applied technology, but the term "galvanization" has largely come to be associated with zinc coatings, to the exclusion of other metals.In current use, it typically means hot-dip galvanizing, a chemical process that is used to coat steel or iron with zinc.
www.babylon.com /definition/galvanization   (267 words)

PETITJEAN has its own on-site galvanizing facility: "Galva Express" and is a member of the Galvazinc Association.
Galvanization: the most economical system of protection, ensuring long-lasting protection.
To hot dip galvanize a metal item, it is first cleaned and fluxed then dipped into a bath of molten zinc (at 450°C).
www.petitjean.fr /uk/process_galva.php   (216 words)

 Effect of Temperature and Galvanization on Cold-Formed Steel   (Site not responding. Last check: 2007-11-05)
An experimental program was conducted to study the effect of temperature and galvanization on the mechanical properties of cold-formed steel members typically used in constructing hydroelectric transmission towers.
Coupons cut from both ungalvanized and galvanized members were tested according to ASTM standards at temperatures ranging from -50°C to room temperature.
The test results showed that the processes of hot-dip galvanizing and cold forming, coupled with low temperatures resulted in an increase of the yield and ultimate strengths, as well as in the modulus of elasticity of the materials.
www.pubs.asce.org /WWWdisplay.cgi?9604370   (256 words)

 Computer Modelling Galvanization
Galvanized steel is widely used in automobile manufacturing to protect metal against the harmful effects of corrosion.
Galvanization involves placing steel parts into a bath of molten zinc.
However, these baths don't provide a uniform environment thus diminishing the quality of the galvanized product.
www.nrc-cnrc.gc.ca /multimedia/picture/manufacturing/nrc-imi_171-7198_e.html   (97 words)

 galvanization firm/ energy efficiency/ case study
The galvanization firm is settled at the edge of the Black Forest in Baden-Württemberg.
In the owner/manager's view, the employees think that enough is already being done for the protection of climate and environment in Germany and that, to this extent, the contribution of the energy concept to this aim did not support its acceptance inside the company.
As the benefit of the eta-competition for the participating firms mainly consists in an improvement of their image as innovative and energy efficient, the experiences of the galvanization firm with the competition acted as a damper for its expectations regarding an improved image.
www.psychologie.uni-kiel.de /nordlicht/sme/c3.htm   (2599 words)

 Canadian Steel Trade & Employment Congress
The purpose of the course on bulk galvanizing is to prepare learners to assume the duties of a prep line attendant and zinc worker.
This course should be complemented by a period of supervised training lasting about X (to be specified) weeks to reach a degree of competence in the tasks and operations that will guarantee complete autonomy.
The learner will be able to galvanize bulk components under supervision while meeting health and safety regulations and production standards.
www.cstec.ca /Course_galvan.html   (351 words)

 Metalplate Galvanizing - Chemical Composition of Steel
he chemical composition of the steel is very important to the quality of the galvanized coating since a metallurgical reaction between the zinc and the iron is occurring.
In fact, the silicon causes the galvanizing reaction to continue unabated and the outermost pure zinc layer is eventually consumed in the process.
A354 Gr BC A563 Gr DH he generic composition of a steel to be galvanized that will produce an acceptable coating will be carbon less than 0.25%, phosphorous less than 0.05% and manganese less than 1.3%.
www.metalplate.com /galvanizing/tis4a.htm   (274 words)

 METALWORKS┬« Galvanization
A tough atmospheric layer of zinc carbonate is formed at the surface of the galvanized coating when exposed to typical atmospheric conditions.
The zinc carbonate is microscopically thin and is insoluble.
As technology has advanced towards improving the quality of galvanization, galvanized metal usage in North America has increased considerably.
www.tamko.com /itemlink.aspx?articleid=2458   (295 words)

 galvanization Sellers, Suppliers, Exporters, Manufacturers, Factories   (Site not responding. Last check: 2007-11-05)
Galvanized Wire can be produced by two kinds of process- Electro Galvanized and Hot-dipped Galvanized.
Galvanized square wire mesh is manufactured in galvanized iron wire.
The common sizes applied for electro galvanized wire and hot-dip galvanized wire are from BWG8# to BWG16#.
www.fuzing.com /qrx/galvanization   (832 words)

 State Farm auto-parts trial documents   (Site not responding. Last check: 2007-11-05)
The only thing I wish to point out is that regardless of the effectiveness of priers versus galvanization, the point is that if an OE [Original Equipment] part is galvanized, and we use an aftermarket part that is primed, there is a difference.
I think it is relatively common knowledge that it is much easier to dislodge the primer than it is the galvanization, thus, the protection is not the same in that situation.
If they drill the galvanizing, the underlying metal is exposed to corrosion just as it would be if there was primer which was drilled through.
info.insure.com /auto/statefarm/galcapa.html   (327 words)

 Integrating Environmental Considerations into the Economic Decision-Making Process
As a result, many galvanization plants were transferred without control to suburban village enterprises, which led to the number of suburban galvanization operations rising fourfold within two years.
None of the suburban factories factories had adequate measures or equipment for treating galvanization wastewater.
However, Shenyang City designed practical methods and regulations to control the development of suburban galvanization factories and protect the health of the population.
www.unescap.org /DRPAD/publication/integra/volume2/china/2ch05h01.htm   (136 words)

 Above Ground Swimming Pools and Pool Accessories   (Site not responding. Last check: 2007-11-05)
Galvanization is a process in which our steel pools are "Hot-Dipped" with a protective coating of Zinc.
Zinc is a useful rust-proofing element due to its unusual ability to bleed into a scratch on any steel surface, protecting the raw steel from oxidization.
The galvanization treatment is rated numerically according to the amount of Zinc added to each square foot of surface area.
www.swimnplay.com /pages/exclusives.html   (371 words)

 Quiedan: Wire
Quiedan Company distributes both high tensile and annealed (soft) galvanized wire, with sources in the United States and a South American mill which is in partnership with the largest wire producer in the world.
Tensile strength and Galvanization should not be the only tests for a quality vineyard wire.
Wire elongation is an important factor in the vineyard.
www.quiedan.com /Pages/wire.html   (139 words)

 Clarkson University - Calendar
Hot Dipped Galvanizing and Corrosion Protection." CEE graduate students are expected to attend.
Properties of Hot Dipped Galvanization are discussed such as coating microstructures, physical properties, and benefits.
Design and fabrication and reinforcing steel issues are discussed as well as standards and inspection and painting galvanized structural steel.
www.clarkson.edu /calendar/index.php?entry_id=644   (141 words)

 Buyers Guide
The steel used in all Amarr doors is hot-dip galvanized - a process that completely coats the steel to prevent rusting.
Electro-galvanization is similar to spray painting and can leave areas with a thin coverage of galvanization or completely untreated.
All hardware is galvanized to resist rust and provide years of low-maintenance operation.
www.dsidoors.com /Amarr/buyers.htm   (1491 words)

 Advantages of Galvanization - from The Galvanizers Association of Australia
An alloy of its steel base, a galvanized coating is unique in matching the design and handling characteristics of steel.
Galvanizing is a once only process, committed to the concept of the maintenance-free use of steel, ensuring long service life and virtually eliminating disruptive maintenance.
This long-term protection is well documented world-wide in terms ahead of any other protective coating, and galvanizing continues to find new applications in almost every field of engineering.
www.azobuild.com /Details.asp?ArticleID=7974   (172 words)

 Identity: American Galvanizers Association
Its goal then is to educate businesses that provide galvanization products and services, along with those that galvanize their steel or use galvanized steel for building purposes.
Once she had a better understanding of the hot-dip galvanized steel industry, the designer arrived at a drop and swoosh motif more representative of the galvanization process.
Galvanizing steel is the process of dipping it into zinc to provide the steel with a protective coating.
www.dynamicgraphics.com /dgm/Article/28644   (435 words)

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