ceramic products revised.pdf
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Ceramics
CERAMIC PRODUCTSJeremy Lee F. Agbay / Jessa May A. Gabion
BUILDING TECHNOLOGY-1/9:00-10:00AM
A wide-ranging group of materials whose
ingredients are clays, sand and felspar.
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CERAMIC PRODUCTS
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What is Ceramic?
Ceramics are classified as inorganicand nonm etal l ic mater ialsthat are
essential to our daily lifestyle.
Ceramics are generally made by takingmixtures o f clay, earthen
elements, powders, and waterandshaping them into desired
forms. Once the ceramic has been shaped, it is fired in a high temperatureoven known as a kiln.
Ceramics are all around us. This category of materials includes things like
t i le, bric ks, plates, glass , and to ilets.
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CERAMIC PRODUCTS
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History of Ceramics
The word "ceramic" comes from the Greek word (keramikos), "of
pottery" or "for pot tery", from (keramos), "po tter 's clay, t i le, po ttery"
Ceramics have been around for thousands of years with their proof in some
excavat ionsofanc ient tom bsand cit ies.
The ceramics we know today date back to around 24,000 BCwhen the f i rs t clay
animals and po tterywere found. It is believed that these were used in r i tuals
during that time and were very sacred.
As civilization moved forward and people needed certain utensi ls, ceramics
made a very good tool.
About 10,000 year slater there were many people who used tiles in Mesopotamia
and India and there were many vessels used for water and food s torage. Thisactually became an invention that was based on need.
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CERAMIC PRODUCTSJeremy Lee F. Agbay / Jessa May A. Gabion
BUILDING TECHNOLOGY-1/9:00-10:00AM
The earliest ceramics were pottery objects or 27,000 year old figurines made
from clay, either by itself or mixed with other materials, hardened in fire
In the 20th century, new ceramic materials were developed for use inadvanced ceramic engineering; for example, in semiconductors.
The word "ceramic" comes
from the Greek word
(keramikos), "of
pottery" or "for pottery",from
(keramos), "potter's
clay, tile, pottery".
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CERAMIC PRODUCTS
Donia, Lara-Jill G.Building Technology-1 / 7:00-8:00 A.M.
Ceramic Properties:
high temperaturestability
high hardness
brittleness
high mechanicalstrength
low elongation under
application of stress
low thermal and
electrical conductivities
Electrical outlet
(above foto)and cover for
electrical plug
(lower foto)
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Donia, Lara-Jill G.Building Technology-1 / 7:00-8:00 A.M.
Types and applications of
Ceramics:
1. Structu ral clay products (the word structural here does
not mean load-bearing, but means used for building
con struc t ion, ei ther for load-bear ing or non -
loadbear ing/aesthet ic pu rposes)
-ceramic products intended for use in bui ld ing
const ruct ion. There is a wide variety of structural clay products,
broadly classified as facing materials, load-bearing materials,
paving mater ia ls, roof ing t i le, and chemical ly resistant
materials.
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Face brick
Terra cotta
Facing materials
(non-structural)
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Donia, Lara-Jill G.Building Technology-1 / 7:00-8:00 A.M.
Load-bearing materials
Building bricks
Structural tile for flooring
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Paving materials
Light traffic pavers, paver blocks
(for sidewalks, public plazas,
landscape design treatments) Quarry tile
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CERAMIC PRODUCTS
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Roofing tiles (clay roof, tegula)Chemically resistant materials
Drain tile
Flue liner
(for
chimneys)
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2. Wh itewares
- any of a broad
class of ceramic products
that are white to off-white in
appearance and frequentlycontain a significant vitreous,
or glassy, component.
Fine china dinnerware
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Lavatory sinks
Water closet
Others: bathtubs, bidets
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3. Refractor ies
- any material that has an unusually
high melting point and that maintains its
structural properties at very high
temperatures. Composed principally ofceramics, refractories are employed in
great quantities in the kiln/ovens,
metallurgical, glassmaking, and ceramics
industries.
Fireclay bricks
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4. Glasses
-In some glasses it is possible to bring
about a certain degree of crystallization in
the normally random atomic structure.
Glassy materials that exhibit such astructure are called glass ceram ic.
CERAMIC PRODUCTS
Donia, Lara-Jill G.Building Technology-1 / 7:00-8:00 A.M.
Flat glass
Container glass
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5. Abrasiv es
-sharp, hard material used to wear away
the surface of softer, less resistant
materials. Also used in grinding, cutting,
polishing, lapping, or pressure blasting
of materials. Classifications are Natural
and Synthet ic.
Natural:
Garnet Diamond
Synthetic:
Silicon carbide
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6. Cemen ts
-Used to produce concrete roads,
bridges,buildings, dams, and the like.
7. Ad vanced c eram ics
-substances and processes used in the
development and manufacture of ceramic
materials that exhibit special properties.