Recent questions in Material Engineering

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Having trouble with this question regarding fine grain structures

Briefly describe how finer grain structures contribute to increasing theroom temperature strength of a metal. Discuss why fine grainedstructures are not an advantage at high temperatures where creepdeformation may be a risk. Describe how knowledge of these effects isused to optimize the strength of high temperature turbine blades
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Having trouble with this question on my engineering materials paper.

A copper sample provides a yield strength of 100 MPa as it starts to plastically deform. The sample is unloaded shortly after reaching yield strength and is tested again. Explain what you would expect to observe in relation to yield strength during this re-test: use dislocation theory to help your explanation.
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Tell about the structure of Tempered Martensite.

This question is constantly itching me.
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torley-avatar
about 13 years ago

Illustrate the function of Solvus.

You know what, wikipedia is LAME and google is the LAMEST!!! So please guys you are my last hope.
0
gail-avatar
about 13 years ago

Person stands 2 m in front of a plane mirror. His reflection appears at what distance?

I had a bet with my girlfriend, she said that i could not answer this question, I know I couldn't but you guys can :p
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1-6 of 19

Comment on the similarity between construction majors

TRAFFIC CONSTRUCTION ENGINEERING, SEA ENGINEERING, CONSTRUCTION CONSTRUCTION ENGINEERING, GEOLOGICAL ENGINEERING - MAP, HYDRAULIC ENGINEERING, INFRASTRUCTURE ENGINEERING, CONSTRUCTION MATERIAL TECHNOLOGY
1

You have available an analytical microscope with an EDX detector and maximum electron energy of 20 kV. Using the data in Table 7.2 suggest which line would be most suited to analyse for P, Mo, Cr and Os contents.

You have available an analytical microscope with an EDX detector and maximum electron energy of 20 kV. which line would be most suited to analyse for P, Mo, Cr and Os contents.
2

For each of the following pairs of metals in contact in an aqueous solution, which metal will corrode? a. Iron and zinc c. Gold and copper b. Iron and copper d. Iron and tin

For each of the following pairs of metals in contact in an aqueous solution, which metal will corrode? a. Iron and zinc c. Gold and copper b. Iron and copper d. Iron and tin
1

What's 20% aded tot 18?

20 procents aded tot fiftin is
5

Describe the processes of recovery, recrystallization and grain growth that occur during annealing of a cold worked polycrystalline material. Supplement your answer with a schematic diagram showing how strength, ductility and grain size may be altered as these processes evolve with increasing temperature

Describe the processes of recovery, recrystallization and grain growth that occur duringannealing of a cold worked polycrystalline material. Supplement your answer with aschematic diagram showing how strength, ductility and grain size may be altered as theseprocesses evolve with increasing temperature
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1-6 of 1601

Discuss the main theme of Fatigue life.

I want to impress my girlfriend, she is a big geek. (Who cares if she has some other big things too :p )
1
teap1x-avatar
about 13 years ago

Explain some of the Imperfections in Ceramics.

This subject makes me feel sick. Can someone answer this?
1
freddye-avatar
about 13 years ago

Explain the difference between an atom and a molecule.

I just want to kill my teacher who asked me this question.
1
fazi-avatar
almost 14 years ago

What is the Guerin process?

Please tell me an exact definition.
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Material Engineering