[PDF] ME Engineering Materials and Metallurgy (EMM) Books, Lecture Notes, 2marks with answers, Important Part B 16marks Questions, Question Bank &. G.S. and Anish Upadhyay, “Materials Science and Engineering”, Viva Books kaz-news.info: Material Science and Metallurgy, "Engineering Materials and. Kenneth kaz-news.infoki and Michael kaz-news.infoki “Engineering Materials” Sydney H .Avner “Introduction to Physical Metallurgy” McGraw Hill Book Company,
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Chapter 1 - 1. Engineering Materials and. Metallurgy (). Lecturer: Eng. Tamer H. Haddad. Time: & (Sun, Tue, Thu). Locations. University Tutor for materials science and processing School of Metallurgy and Materials, University of .. that engineering aspects of the book were coming. Physical Metallurgy, Crystal Physics, Statistical Physics, Modern. Physics, Sold State Materials Science and Engineering. ˜ Silicon book: Von Stahel and Eysen, Nürmberg, , by a German alchemist. “Take varnish.
Classify Peritectic and Peritectoid reactions.
Advances in Materials and Metallurgy
BT-4 2. Compare steel and cast iron.
Also classify the steel with respect to carbon percentage. BT-4 3. Define the following terms Solid Solution and Polymorphism. BT-1 4. Discuss about interstitial solid solutions and interstitial compounds. BT-2 5.
Differentiate between eutectic and eutectoid phase reactions. BT-2 6. Illustrate carbon solubility is more in austenite. BT-3 7. List the advantages of alloy steel as compared to plain carbon steels.
BT-1 8. Name and explain any one type of binary solid to solid state transformation reaction with ideal phase diagram.
Discuss the rules governing the formation of solid solution. Quote the equation for GIbbs Rule.
BT-1 , Tell with reference to hypo eutectoid, hyper eutectoid steels?. Illustrate the cooling curve for pure metal, binary solid solution and binary eutectic system.
For example, zamak 3 exhibits good ductility at room temperature but shatters when impacted at sub-zero temperatures. DBTT is a very important consideration in selecting materials that are subjected to mechanical stresses. A similar phenomenon, the glass transition temperature , occurs with glasses and polymers, although the mechanism is different in these amorphous materials.
In some materials, the transition is sharper than others and typically requires a temperature-sensitive deformation mechanism. For example, in materials with a body-centered cubic bcc lattice the DBTT is readily apparent, as the motion of screw dislocations is very temperature sensitive because the rearrangement of the dislocation core prior to slip requires thermal activation.
This can be problematic for steels with a high ferrite content. This famously resulted in serious hull cracking in Liberty ships in colder waters during World War II , causing many sinkings.
Physical Metallurgy and Advanced Materials
DBTT can also be influenced by external factors such as neutron radiation , which leads to an increase in internal lattice defects and a corresponding decrease in ductility and increase in DBTT. The most accurate method of measuring the DBTT of a material is by fracture testing.
Typically four point bend testing at a range of temperatures is performed on pre-cracked bars of polished material. For experiments conducted at higher temperatures, dislocation activity increases. At a certain temperature, dislocations shield the crack tip to such an extent that the applied deformation rate is not sufficient for the stress intensity at the crack-tip to reach the critical value for fracture KiC.Question Banks.
Malleable materials can be formed cold using stamping or pressing , whereas brittle materials may be cast or thermoformed. Name and explain any one type of binary solid to solid state transformation reaction with ideal phase diagram.
Punmia, Ashok Kumar Jain, Arun Updated coverage of sports materials, biomaterials and nanomaterials.
Please enter your comment! Describe the effect of additions of chromium on the characteristics of steel? BT-3
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