Question
In: Mechanical Engineering
1a. Spheroidite steel is a good example of Metal Matrix Composite material. What are the matrix...
1a. Spheroidite steel is a good example of Metal Matrix Composite material. What are the matrix material and the dispersed phase acting as a reinforcing agent?
1b. Name one material that is commonly used as the fibers in fiber reinforced composites.
2a. In metals increasing “imperfections” e.g. grain boundaries, dislocations, vacancies in the material will increase or decrease the resistivity of that material? Briefly explain why.
2b. Does the resistivity of a copper increase or decrease when it is heated to a higher temperature? Briefly states why.
Solutions
samet mamat answered 2 years agoRelated Solutions
1a. Spheroidite steel is a good example of Metal Matrix Composite material. What are the matrix...
1a. Spheroidite steel is a good example of Metal Matrix
Composite material. What are the matrix material and the dispersed
phase acting as a reinforcing agent?
1b. Name one material that is commonly used as the fibers in
fiber reinforced composites.
2a. In metals increasing “imperfections” e.g. grain boundaries,
dislocations, vacancies in the material will increase or decrease
the resistivity of that material? Briefly explain why.
2b. Does the resistivity of a copper increase or decrease when
it is heated...
What is composite? Explain comparison between metal matrix and ceramic matrix composit
What is composite? Explain comparison between metal matrix and
ceramic matrix composit
Compare and differentiate between metal matrix composite and metal alloys in term of structure, properties and...
Compare and differentiate between metal matrix
composite and metal alloys in term of structure, properties and
applications.(6marks)
A composite of Al2O3 particles in an epoxy matrix contains 10 wt.% Al2O3. What are the...
A composite of Al2O3 particles in an epoxy
matrix contains 10 wt.% Al2O3. What are the
upper and lower bounds on the elastic modulus of the composite?
Data: ρAl2O3 = 3.95 g/cm3 , EAl2O3 = 300 GPa,
ρepoxy = 2.0 g/cm3 , and Eepoxy = 500
MPa.
1a. What would be the effect on your calculations of specific heat of the metal if...
1a. What would be the effect on your calculations of specific
heat of the metal if there was heat lost while transferring the
metal? Explain why. 1b. What would be the effect on your
calculation of specific heat of the metal if the metal you heated
was wet, and contained 2% water by weight when you poured it into
the calorimeter? Explain why. 1c. What would be the effect on your
calculations on specific heat of the metal if you...
Charlotte spends her income of $2400 on clothing (good x), and the composite good (good y...
Charlotte spends her income of $2400 on clothing (good x), and
the composite good (good y ). The utility Charlotte receives from
consuming a basket of clothing and the composite good is, U(x, y )
= 2√ x + y 300. The corresponding marginal utilities are, MUx = 1 √
x and MUy = 1/ 300.
(c) Find Charlotte’s optimal consumption basket when the price of
clothing is Px1 = $50, and the price of the composite good is Py...
e are choosing material for a round rod. The material must be a metal or alloy....
e are choosing material for a round rod. The material must be a
metal or alloy. The length of the rod must be close to 1 m, and its
cross-sectional diameter must be between 1 mm and 3 mm. Its natural
frequency of vibration, f, should be as low as possible.
(a) Clearly list the constraints, objective, and free variables.
(b) What is the performance index of the material? (c) What are the
best 2 material candidates?
e are choosing material for a round rod. The material must be a metal or alloy....
e are choosing material for a round rod. The material must be a
metal or alloy. The length of the rod must be close to 1 m, and its
cross-sectional diameter must be between 1 mm and 3 mm. Its natural
frequency of vibration, f, should be as low as possible.
(a) Clearly list the constraints, objective, and free variables.
(b) What is the performance index of the material? (c) What are the
best 2 material candidates?
The composite shaft shown in the figure consists of two steel pipes that are connected at...
The composite shaft shown in the figure consists of two steel pipes that are connected at flange B and securely attached to rigid walls at A and C. Steel pipe (1) has an outside diameter of 158 mm and a wall thickness of 6 mm. Steel pipe (2) has an outside diameter of 114 mm and a wall thickness of 4 mm. Both pipes are 3.5 m long and have a shear modulus of 80 GPa. If a concentrated torque...
1040 steel 1.What is the composition of the material? (10P) 2.What is the typical applications of...
1040 steel
1.What is the composition of the material? (10P)
2.What is the typical applications of the material? (10P)
3.What is the most common hardness measurement method for the
material? What is the hardness values for the material after
different heat treatments. Put some microstructures and discuss the
hardness values differences (at least 3 different heat treatment)
(20P)
4.What is the typical UTS, yield strenght and strain values of
the material for 3 different heat treatments (any). Put some
microstructures...
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