Recent questions tagged engg-materials

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Draw a TTT diagram for 0.8% carbon steel and indicate there on the different structures and temperatures.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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What is its significance to a Mechanical / Metallurgical engineer?

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Bring out the differences and similarities between alloys and compounds.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Explain how grain refinement improves the strength of a polycrystalline material.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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How do they influence the mechanical properties of materials?

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Calculate the number of atoms, from first principles, per unit cell of F.C.C and B.C.C. structure

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Mention two types of dislocations

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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List at least two factors that promote transition from ductile to brittle fracture.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Represent schematically the three types of unit cells observed in metal structures

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Explain why corrosion occurs in materials.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Arrange the metals mild steel, aluminum zinc and copper in order of their diminishing ductility

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Define ductility of metals ?

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Name the strongest and weakest type of atomic bonds.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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Specify the ball size and the magnitude of load applied in case of Brinell hardness tester.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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What is Scleroscope?

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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From the aspect of corrosion explain how a tin plated iron sheet is different from a galvanized iron sheet.

asked Nov 8, 2017 in engg-materials by chandu (215k points)

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