. Stainless steels I. Refractory metals (containing elements of high melting point, like Nb, Mo, W, Ta) II. Superalloys (Co, Ni based) Which material(s) given above is (are) resilient to creep?

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Q: intrinsic and extrinsic properties of materials based on

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Q: Sketch a diagram showing impact energy as a function of temperature, of (i) 0.1% carbon steel; (ii)…

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Q: Convider the following data for a range of materials. In which of the following sifuation is range…

A: Creep failure can be defined as the permanent deformation of a material when subjected to a constant…

Q: effect of the cooling rate on the microstructure and hardness of a material

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Q: Which materials, behave in the opposite way? Give some examples?

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Q: summarize the way in which fine _grain microstructure behave with regard to low temperature and room…

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A:

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Q: With the aid of sketches compare and contrast the fatigue fracture appearance between an alloy that…

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Q: What are the major material groups?

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Q: Comparison between behaviors of brittle and ductile metal of stress- strain curve?

A:

Q: With the aid of high resolution electron microscope, image of edge dislocation was observed in…

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Q: 7. What is creep failure ? Draw and explain 3 stages of creep curve(Fig 6.32). Give equations for…

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Q: This question is about material selection process for a solid eylindrical tension rod of diameter d…

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Q: Is the fatigue responsible for the materials?

A: Fatigue: The failure of a material to the repeated cyclic loads applied on it is termed as Fatigue.…

Q: a) Most familiar metals are not highly pure, rather they are alloys, in which impurity atoms have…

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Q: B- Describe the microstructure and mechanical properties produced in carbon steel which contain…

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Q: What mechanism of creep can be prevented using a single crystal part? Justify your answer using…

A: The creep can be prevented or the creep resistance can be improved by using a single crystal part.…

Q: For the same bar, if the engineering strains are 0.05 and 0.10 at engineering stresses of 200 and…

A: Given data: σ1=200 MPaσ2=220 MPae1=0.05e2=0.1

Q: Why would metals behave as brittle materials without dislocations?

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Q: Summarize the way in which fine-grain microstructures behave with regard to low temperature and room…

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Q: How to determine the yield point for materials that do not exhibit a well defined yield point? Name…

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Q: Glass ceramics have low coefficients of thermal expansion. State why this is the  case (hint;…

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Q: (c) Explain the reason of FCC metals are often recommended for use at low temperatures, particularly…

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Q: Under room temperature, why grain boundaries are beneficial for improving materials strength? How…

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Q: HOME WORK 1 The figure shows two work pieces of steel of 0.3 %C and 1.3 %C with different…

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Q: 13. Outline (with the aid of any diagrams as appropriate) the principles of protecting metals from…

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Q: Q/ Which type of materials are selected for turbine blades and what are the main properties for…

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Q: Question:- Explain the following terms and state when/where they are used.  Homology modeling…

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Q: State at what homologous temperature creep may start to become an issue for metals and for ceramics.…

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Q: What are the crystal structures for carbon steel and stainless steels? Name and describe 2 examples…

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Q: 6. I) Precipitation hardening II) Solid solution alloying III) Reducing the grain size IV) Creating…

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Q: How is it that two solid metals in contact at a temperature below the melting point of either can…

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Q: How does point defect affect properties of materials?

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Q: 5. The table below lists the yield strength, tensile strength, and ductility of pure copper and of a…

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Q: a.) In the recrystallization stage of the single-phase metals, the recrystallization temperature…

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Terminology in Metal Alloys

Metal is the pure chemical element you would find on the periodic table. 91 of the 118 elements on the periodic table are metals – which make them some of the most plentiful elements in the world.