Material Science Engineering

Estimate the Young’s modulus of a material. Given r0=2.5 Å, n = 1, m = 9, and A = 7.68×10–29 J m.

Material Science Engineering

formula factor of the safety (FS) in respect of stress calculate

Material Science Engineering

For a 1080 steel that has been water quenched, estimate the tempering time at 535 C to

achieve a hardness of 45 HRC.

achieve a hardness of 45 HRC.

Material Science Engineering

I have to design an active filter of order 2 low-pass rauch bessel structure. i found the circuit online under this name : MFB Complex Pole-Pair Section or Infinite-impulse, multiple feedback low pass filter. I have f cut=15Hz C1=50 pF. I need to find R1=R2=R3=R and C2. I was given the bessel coefficients a1=1.340, b1=0.490,a2=0.774, b2=0.389

Material Science Engineering

Difference between crystal structure and crystal systems

Material Science Engineering

Extended from Task 1, Determine the compressive force induced in the bar if it is rigidly held and

the expansion prevented. Note take your calculated value for change of length that takes place.

the expansion prevented. Note take your calculated value for change of length that takes place.

Material Science Engineering

Calculate the amount of heat transfer required to change 88 kg of ice (solid state) which is at 00C to

water (liquid state) of 100C. The specific heat capacity of ice is 2090 J/kg0C and the specific latent heat

of fusion is 335 kJ/kg.

water (liquid state) of 100C. The specific heat capacity of ice is 2090 J/kg0C and the specific latent heat

of fusion is 335 kJ/kg.

Material Science Engineering

Reproduce the Copper – Nickel binary phase equilibrium diagram shown in fig.1 and apply Gibbs phase rule to calculate the degrees of freedom for a Cu - 50% Ni alloy at; a) 1380oC b) 1300oC c) 1150oC

Material Science Engineering

A 55% Ni Cu-Ni alloy is cooled from liquid state to 1300 oC. Calculate the % of Liquid and solid at 1300 oC.

Material Science Engineering

the atomic packaging factor of iron decreases by what percentage you when it is cooled from 1000 to 900°c