MMET 206, Test 3 || (Needed to Pass) Confirmed A+.
Correct properties: Glass, Silicate, amorphous, hard, Tg=1200C, 4-5x, high strength, high
temperature resistance, thermal shock resistance, Quartz glass, 99.996% SiO_2 , excellent
electrical insulation, optical transparency, transparent to UV ray, chemical inertness, highest
service temperature among glasses, dielectric strength 25-40. correct answers Which of the
following material properties does not belong to the fused silica glass?
Glass-ceramic: a polycrystalline glass
- High strength
- High thermal shock resistance
- high heat resistance
ex: Corning Ware correct answers Among the different types of glass, which one is the only
crystalline glass
Sintering (firing/densification) correct answers Which of the following manufacturing methods
can significantly improve the mechanical strength of a ceramic product?
Ferrous (iron) correct answers Diamond is the hardest material known to humans. It is an
excellent abrasive for making grinding wheels for the machining of various materials. However,
the diamond grinding wheel can NOT be used for grinding ___.
.5 - .9 of the melting temperature (between 1000-2000 C). In our lab this is cone 04 and 1915-
1971 F (1046 - 1077 C) correct answers The firing or densification process for a ceramic
material is by heating the ceramic to ___
coarse aggregate correct answers The key raw material for making Portland cement is ___ which
accounts for more than 60% of the total weight.
Iron Oxide (Fe203) and strontium carbonate (SrCO3) or barium carbonate (BaCO3) correct
answers The main ingredient of ferrite magnets is ___
Silicates??? correct answers The typical micro structure of traditional ceramics consists of two
phases, crystalline and amorphous. The cause of the amorphous phase is mainly due to the fact
that most clay contains a certain amount of ___
Glass-ceramic: polycrystalline glass
#1 GRAPHITE correct answers Which of the following glasses has the best thermal shock
resistance?
correct answers The protective ceramic coating applied on a metallic base material such as that
on a washing machine drum or some kitchen sinks is called ___
Graphite correct answers Which of the following ceramics is a good electric conductor, a very
rare exception for ceramics?
, correct answers Which of the following materials has the highest electric resistivity and
dielectric strength?
Diamond and Cubic Boron Nitride (CBN) correct answers Which of the following abrasives are
classified as superabrasives?
correct answers Which of the following materials has the highest melting temperature?
Silicate Ceramics (Si/O?Al, Fe, Ca, K, Mg) correct answers Which of the following is a naturally
occuring ceramic material?
- Materials with at least one dimension smaller than 100 nanometer
- correct answers Which of the following materials is typically a nanomaterial
correct answers Diode is the simplest semiconductor device; however, it is a key component for
___
100 nanometer correct answers Nanomaterials and nanotechnologies deal with materials with at
least on dimension smaller than ___
correct answers What are the basic element components of clay (traditional material)?
Silicates are compounds of silica (SiO2) and metal oxide, 95% correct answers What is the
definition of Silicon, the largest group (XX%) of materials that makes clay?
1- diamond
2- CBN cubic boron nitride
3 - B4C boron carbide
4 - SiC silicon carbide
5 - Al2O3 corundum
6 - WC tungsten carbide correct answers Name the top 6 hardest material (name and chemical
formula and rank)
correct answers Explain the steps of the BASIC wet clay manufacturing process
Sand (Silica - SiO2), Limestone (CaCo3), Soda Ash (Na2CO3), Glass Cullet (crushed recycled
glass) correct answers What is the chemical composition for anneal glas
Oxide (Al2O3, ZrO2) - Abrasives, cutting tools, nuclear fuel
Carbide (SiC, WC, B4C, TiC) - Abrasives, cutting tools, heating element
Nitride (Si3N4, CBN, TiN) - Abrasives, cutting tools, rocket engine correct answers Name the 3
classes for advanced ceramic materials in terms of their chemical formulas and 2 examples of
each
*key is to gain higher density
- Forming: uniaxial pressing, cold isostatic pressesing, extrusion, injection molding, slip casting
Correct properties: Glass, Silicate, amorphous, hard, Tg=1200C, 4-5x, high strength, high
temperature resistance, thermal shock resistance, Quartz glass, 99.996% SiO_2 , excellent
electrical insulation, optical transparency, transparent to UV ray, chemical inertness, highest
service temperature among glasses, dielectric strength 25-40. correct answers Which of the
following material properties does not belong to the fused silica glass?
Glass-ceramic: a polycrystalline glass
- High strength
- High thermal shock resistance
- high heat resistance
ex: Corning Ware correct answers Among the different types of glass, which one is the only
crystalline glass
Sintering (firing/densification) correct answers Which of the following manufacturing methods
can significantly improve the mechanical strength of a ceramic product?
Ferrous (iron) correct answers Diamond is the hardest material known to humans. It is an
excellent abrasive for making grinding wheels for the machining of various materials. However,
the diamond grinding wheel can NOT be used for grinding ___.
.5 - .9 of the melting temperature (between 1000-2000 C). In our lab this is cone 04 and 1915-
1971 F (1046 - 1077 C) correct answers The firing or densification process for a ceramic
material is by heating the ceramic to ___
coarse aggregate correct answers The key raw material for making Portland cement is ___ which
accounts for more than 60% of the total weight.
Iron Oxide (Fe203) and strontium carbonate (SrCO3) or barium carbonate (BaCO3) correct
answers The main ingredient of ferrite magnets is ___
Silicates??? correct answers The typical micro structure of traditional ceramics consists of two
phases, crystalline and amorphous. The cause of the amorphous phase is mainly due to the fact
that most clay contains a certain amount of ___
Glass-ceramic: polycrystalline glass
#1 GRAPHITE correct answers Which of the following glasses has the best thermal shock
resistance?
correct answers The protective ceramic coating applied on a metallic base material such as that
on a washing machine drum or some kitchen sinks is called ___
Graphite correct answers Which of the following ceramics is a good electric conductor, a very
rare exception for ceramics?
, correct answers Which of the following materials has the highest electric resistivity and
dielectric strength?
Diamond and Cubic Boron Nitride (CBN) correct answers Which of the following abrasives are
classified as superabrasives?
correct answers Which of the following materials has the highest melting temperature?
Silicate Ceramics (Si/O?Al, Fe, Ca, K, Mg) correct answers Which of the following is a naturally
occuring ceramic material?
- Materials with at least one dimension smaller than 100 nanometer
- correct answers Which of the following materials is typically a nanomaterial
correct answers Diode is the simplest semiconductor device; however, it is a key component for
___
100 nanometer correct answers Nanomaterials and nanotechnologies deal with materials with at
least on dimension smaller than ___
correct answers What are the basic element components of clay (traditional material)?
Silicates are compounds of silica (SiO2) and metal oxide, 95% correct answers What is the
definition of Silicon, the largest group (XX%) of materials that makes clay?
1- diamond
2- CBN cubic boron nitride
3 - B4C boron carbide
4 - SiC silicon carbide
5 - Al2O3 corundum
6 - WC tungsten carbide correct answers Name the top 6 hardest material (name and chemical
formula and rank)
correct answers Explain the steps of the BASIC wet clay manufacturing process
Sand (Silica - SiO2), Limestone (CaCo3), Soda Ash (Na2CO3), Glass Cullet (crushed recycled
glass) correct answers What is the chemical composition for anneal glas
Oxide (Al2O3, ZrO2) - Abrasives, cutting tools, nuclear fuel
Carbide (SiC, WC, B4C, TiC) - Abrasives, cutting tools, heating element
Nitride (Si3N4, CBN, TiN) - Abrasives, cutting tools, rocket engine correct answers Name the 3
classes for advanced ceramic materials in terms of their chemical formulas and 2 examples of
each
*key is to gain higher density
- Forming: uniaxial pressing, cold isostatic pressesing, extrusion, injection molding, slip casting
