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Materials Science
Page 3
Questions (403)
A materials scientist is working on developing a dispersion-hardened aluminum alloy. What is the minimum surface energy required
1 answer
asked by
shohag
477 views
A 1mm sheet of FCC iron is used to contaion nitrogen in a heat exchanger at 1200 C. The concentration of N at one surface is
2 answers
asked by
hewhomustbenamed82
546 views
A layer of 2µm thick silicon dioxide is deposited on <100> silicon wafer. SiO2 layer is patterned using lithography and dipped
1 answer
asked by
MEMS
622 views
With regard to Stainless Steels, how is a passive layer regenerated?
thanks in advance!!
1 answer
asked by
K
369 views
Clear glass is to be recovered from a stream of mixed glass materials using a binary separator. The mixed glass stream contains
1 answer
asked by
ally
497 views
what are two dimensional matierals
3 answers
asked anonymously
25 views
two-dimensional materials are called?
3 answers
asked anonymously
48 views
Clay is a plastic material does this imply that it is a polymer
3 answers
asked by
Shalu
612 views
A crystal is grown by evaporating A and 8 type
atoms, and then letting them condense to form the crystal. If, because of the
1 answer
asked by
mayerimi
454 views
How has paper changed over time.
1 answer
asked by
Dan
285 views
We have discussed that a bare crystalline silicon surface contains many defects which act as SRH recombination centers. How can
1 answer
asked by
pritam
457 views
A syntactic foam is made by mixing thin-walled hollow glass spheres (radius, r, and wall thickness, t=0.05r) into an epoxy
1 answer
asked by
karthik
642 views
Iron carbide (Fe3C) particles are dispersed in iron. The surface energy of Fe3C is 2J/m2, the shear modulus of iron is 64GPa and
3 answers
asked by
karthik
748 views
A uniform compressive stress σz is applied to the surface of the metal alloy, and it may be assumed that there is no friction
2 answers
asked by
karthik
577 views
A uniform compressive stress σz is applied to the surface of the metal alloy, and it may be assumed that there is no friction
1 answer
asked by
karthik
806 views
What are factors that will contribute to achieving the lowest mass/volume ratio possible for an airbag? The "mass" includes the
1 answer
asked by
Ray
413 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
Ali
645 views
What would happen to the melting point of a solid if it is mixed with granular particles of glass? Explain.
1 answer
asked by
Anonymous
310 views
Find the percentage of pure gold in 22-carat gold, if 24-carat gold is 100% pure gold.
4 answers
asked by
Vivek
806 views
what are the branches of fibre
1 answer
asked by
james
279 views
Under what axial tensile load, the diameter of a steel bar will be reduced from 8 cm to 7.995 cm? Take E as 2.0 ´ 103 t/cm2 and
1 answer
asked by
raju
432 views
the resistance of the material in inversely proportional to its
1 answer
asked by
lagjhon
372 views
What is porcelain?
No answer choices.
1 answer
asked by
LOVE
330 views
We have large quantities of powder containing 40 % alu, 23 % of Si metal , 27 % of Zr metal and other FEO2, CAO,Mg.
0 to 200 µ
3 answers
asked by
Avram
299 views
What is the different between material science and material engineering?
1 answer
asked by
mohammed umaru
320 views
Determine the creep compliance J(t) of a material that responds like:
a) an elastic spring with Young's modulus E J(t): b) a
1 answer
asked by
please HELP
500 views
How does the elastic modulus vary with temperature?
in polymers
1 answer
asked by
Daksh
296 views
Rubber particles, roughly 1mm in diameter, have been added to an epoxy resin to increase its resistance to crack growth.
1 answer
asked by
qw
625 views
Can you Make 2-3 sentence paragraph about how plastic is made and use the following terms: Polymers, Synthetic Material, Natural
3 answers
asked by
__
36 views
Which property of aluminium makes it suitable to be used for overhead electricity cables
1 answer
asked by
Rossy
406 views
Describe the difference between the fracture behavior of hardened cement paste and mortar or concrete in terms of microstructure
1 answer
asked by
Ivana
872 views
Hey everyone! I have an exam on Monday and I want to know what I should do for this.
Explain the sources and implications of size
1 answer
asked by
Ivana
324 views
What is the exact strain energy per unit length of an edge dislocation for a material that has a Young's modulus E of 50GPa, a
3 answers
asked by
qwerty
1,044 views
A material has a Young's modulus E of 50GPa, a Burger's vector b of 0.25nm, and a Poisson's ratio ν of 0.3.
What is the
1 answer
asked by
qwerty
709 views
Hey Dr.Bob222,
Pearlite is not ceramic material correct? Just need a second opinion. Thanks!
3 answers
asked by
DonHo
453 views
The creep compliance of a polymer is given below. A specimen of polystyrene is loaded in creep with a stress of 10MPa for
2 answers
asked by
zxcv
491 views
Calculate the load that a fibroblast cell applies to buckle a single column in a collagen tissue engineering scaffold, given
4 answers
asked by
zxcv
725 views
A cube of the isotropic, linear elastic epoxy resin E=2GPa, ν=0.3, α=50×10−6K−1 at 20∘C is unloaded. It is then heated
6 answers
asked by
qwerty
1,404 views
Rubber particles, roughly 1mm in diameter, have been added to an epoxy resin to increase its resistance to crack growth.
2 answers
asked by
qwerty
1,152 views
Imagine a container is removed from a hot oven and plunged into cold water. Use your answer from Question 3 to justify which
2 answers
asked by
qwerty
793 views
Rubber particles are sometimes dispersed in an epoxy matrix to increase its resistance to the propagartion of cracks. Rubber has
1 answer
asked by
qwerty
417 views
A unidriectional, continuously reinforced glass fiber composite has Vf=60 volume percent fibers in a matrix of epoxy. Glass has
4 answers
asked by
qwerty
908 views
The boron fibers are produced by chemical vapor deposition of boron onto fine tungsten wires of dW=10μm. The final wire
3 answers
asked by
qwerty
1,027 views
What is tantalum (also called coltan) used for?
3 answers
asked by
bobby
37 views
How does the silly putty made up of glue gel differ from the silly putty made of soap in terms of texture ? How would the touch
3 answers
asked by
Anonymous
427 views
The use of synthetic materials has pros and cons. Do you think the pros of using synthetic materials outweigh the cons? Or, do
5 answers
asked anonymously
252 views
The use of synthetic materials has pros and cons. Do you think the pros of using synthetic materials outweigh the cons? Or, do
2 answers
asked by
warriorcatssucks
84 views
Consider a tetragonal phase of which the lattice parameters satisfy c = 2a. Diffusivities of the phase were measured in two
1 answer
asked by
Jinwon
329 views
What of the following is an advantage of the thermal properties of plastic?
Plastics are safe to use in microwave ovens. Heating
10 answers
asked anonymously
139 views
What is an alloy and name as many as you can?
1 answer
asked by
Anonymous
410 views
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