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Materials Science
Page 4
Questions (405)
A silicon ingot, which should contain 10^16 boron atoms/cm3, is to be grown by the Czochralski technique. What
concentration of
3 answers
asked by
Shawn
1,443 views
thermal conductivity of solids depends on ??
1 answer
asked by
jigs
342 views
B) What are the two main elements commonly found in aluminum alloys?
1 answer
asked by
Anonymous
52 views
The graph below shows two conductivity curves with respect to temperature of a germanium semiconductor. In one case, there is
5 answers
asked by
Anonymous
395 views
Can you tell me the Main Idea(s)?
There’s an old saying that oil and water don’t mix. But sometimes they do — especially
1 answer
asked by
Anonymous
388 views
Sketch a stress-strain curve for glass and label all the points of interest and different regions of the curve.
1 answer
asked by
dmkp
362 views
Mean of the concrete drying time for both the amount of concrete and water are not equal. paraphrase it
3 answers
asked by
SHAY YHO
84 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
1 answer
asked by
dmkp
411 views
A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as
1 answer
asked by
dmkp
376 views
6. A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate,
1 answer
asked by
dmkp
414 views
The following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length.
Load(kN
2 answers
asked by
dmkp
535 views
following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length
Load (kN)
2 answers
asked by
dmkp
505 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
2 answers
asked by
School girl
505 views
How could one lower the glass transition temperature of a germate (GeO2) glass? Select ALL possible ways.
A)Increase the cooling
6 answers
asked by
Anonymous
701 views
if you tear a piece of material in haft, how is the density affected?
1 answer
asked by
Laruen
278 views
1. Explain the difference
between ‘eutectic’ and ‘eutectoid’. 2. Explain the terms ‘hyper-‐ and hypoeutectoin
4 answers
asked by
asyraf help me urgent
3,400 views
Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a
2 answers
asked by
sara
525 views
distinguish between aorphous and crystalline soilds and give an example of each
1 answer
asked by
Maci
298 views
A bar of pure nickel is coupled with a bar of pure iron (interfaced). The diffusion couple is then heated to a temperature of
1 answer
asked by
Bob
831 views
i am doing a project for school and i was told to research the alloy of 16 carat gold. I have found all the other information
1 answer
asked by
Anonymous
468 views
Is zinc a production of steel
3 answers
asked by
Destiny
24 views
A method for recycling scrap aluminum converts it to alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)2·12H2O].
What is
2 answers
asked by
Aha
582 views
A tension test was performed on a steel specimen having an original diameter of 12.5 mm and gauge length
of 50 mm. Using the data
3 answers
asked by
Catherine
1,717 views
which has a higher melting point pure gold or impure gold
1 answer
asked by
Anonymous
358 views
how do i find the thickness of aluminum foil that weighs 5.4grams and 50cm long and 20 cm wide.
1 answer
asked by
Eric
435 views
Insulating materials are rated by their..
A)specific heat B)heat index C)R-value D)temperature resistance
1 answer
asked by
Ashley!!
419 views
1).Does more grain boundaries result in a higher ultimate tensile strength?
2).Does an increase in stiffness of a material result
1 answer
asked by
Jane
331 views
how the strength polymer need for polymer electrolyte prepatation
1 answer
asked by
pradee
320 views
how can we achive nano size in tio2 powders
1 answer
asked by
prade
314 views
Because the Egyptians constructed early forms of glass and mortar for setting bricks, scholars know they were skilled in which
19 answers
asked by
Holly
76 views
what phases are present in a slow cooled 1090 stell and how much of each of these phases are present?
so the phases are cementite
2 answers
asked by
Anonymous
492 views
What is/are the main and unique challenges for materials to be used in space? The materials need to withstand radiation, The
3 answers
asked by
shawon
87 views
what does a soda CAN do?
what materials are used in making a soda CAN and why? how does a soda CAN do what it does?
1 answer
asked by
Happy Face
423 views
1. what elements are soda cans made of?
2. what materials were used in (making) the soda can?
2 answers
asked by
Happy Face
659 views
Distinguish between the two main types of interstitial sites in metallic crystal lattices. Discuss the importance and potential
2 answers
asked by
Claire
510 views
One last question....
Which of these two metals (Aluminum or Copper) would be a better choice to make silverware out of? Specific
3 answers
asked by
Jane
395 views
BCC crystal structure, atomic radius of .1363, and an atomic weight of 95.94g/mol. How would you compute the theoretical
4 answers
asked by
Z32
1,011 views
That orange deposit on the outside surface is called rust.
Is the correct answer deposit---simple subject is--simple predicate
1 answer
asked by
Tracy
231 views
K I have to write a report on housing insulation. I'm trying to find out when people first starting using it. Any ideas?
3 answers
asked by
Kristen
393 views
Polymethylpentene
are there any safety concerns, toxicity concerns about the polymer? any environmently concerns? is the monomer
1 answer
asked by
Brad
964 views
How sharp is stainless steel? Can someone give me a comparsion to how sharp stain steel is? are they as sharped as kitchen
2 answers
asked by
Chopsticks
492 views
What materials are used to make cleaning sponges used for dishes?
4 answers
asked by
Terrae
358 views
What is the name of the mixture of sand, lime, and water used as lubricant to help move stones?
3 answers
asked by
Rachael
881 views
In the sentence - Plenty of silicon is found on Earth, but it remains a valuable material for the computer industry. What is the
3 answers
asked by
Sylvie
365 views
What are the good and bad uses of clay?
3 answers
asked by
Sam
345 views
iron
3 answers
asked anonymously
7 views
How was the composition of plastics and paper products changed in the last 30 years? State possible reasons for such changes.
1 answer
asked by
Thano
411 views
Does any one know? This kind of glassware is dangerous to use because it has stress points where the glass break.
3 answers
asked by
Anonymous
431 views
what's the relative cost of petrochemicals to the materials they have replaced??
1 answer
asked by
kel
353 views
I understand that polymers are long chain 500-20,000 repeating units, but I don't know:
what car components are made of polymers?
1 answer
asked by
chemistry
441 views
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