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AleksAgata [21]
3 years ago
11

An undeformed specimen of some alloy has an average grain diameter of 0.050 mm. You are asked to reduce its average grain diamet

er to 0.020 mm. Is this possible? If so, explain the procedures you wo
Engineering
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

Yes it is possible

Explanation:

<u>Procedures to be taken:</u>

<u>Step 1:</u>

I will deform the specimen, that is, I will subject the specimen to plastic deformation at room temperature.

<u>Step 2:</u>

Also, I will anneal the deformed specimen at a high temperature.

<u>Step 3:</u>

Then, recrystallize the annealed specimen

<u>Step 4:</u>

Finally, I will facilitate the grain growth until the average grain diameter becomes 0.02mm.

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A metallic material with yield stress of 140 MPa and cross section of 300 mm x 100 mm, is subjected to a tensile force of 8.00 M
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Answer:Yes,266.66 MPa

Explanation:

Given

Yield stress of material =140 MPa

Cross-section of 300\times 100 mm^2

Force(F)=8 MN

Therefore stress due to this Force(\sigma)

\sigma =\frac{F}{A}=\frac{8\times 10^6}{300\times 100\times 10^{-6}}

\sigma =266.66 \times 10^{6} Pa

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Since induced stress  is greater than Yield stress therefore Plastic deformation occurs

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Answer:

for  i  in range(0,10):

   if SimonPattern[i] == UserPattern[i]:

       score = score + 1

       i = i + 1

   else:

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print("Total Score: {}".format(score))

Explanation:

This for loop was made using Python. Full code attached.

  • For loop requires a range of numbers to define the end points. For this Simon Says game, we are talking about 10 characters, so that must be the range for the for loop: from 0 to 10.
  • Conditional if  tests if Simon pattern matches User's one characheter by one and add point for each match.
  • Break statement is ready to escape the for loop at first mismatch.
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