1. What is the difference between atomic structure and crystal structure? 2. Cite and explain three reasons why ferrous alloys are used so extensively. 3. Describe the mechanism by which cement hardens when water is added.

Q: What are the importance of Ceramics in Engineering? Give some examples

A: Ceramics : Ceramics are the materials which is inorganic and nonmetallic materials that are…

Q: Using stress-strain curve, explain why is ceramic has low ductility (very brittle and high elastic…

A:

Q: If crack-tip plasticity is not to blame for ceramic fatigue, what mechanism is responsible?

A: Material fatigue is a phenomenon where structures fail when subjected to a cyclic load. This type of…

Q: Define a ceramic material and state the 5 properties

A: Ceramic materials     Ceramic material is…

Q: Calculate the required weight of carbon necessary to obtain 12 ton of cast iron of the eutectic type…

A:

Q: 3. An engineering ceramic has a flexure strength that obeys Weibull statistics with m = 15. If the…

A: Data given-  m = 15  Pf1 = 0.3  Ps1 = 1-0.3 = 0.7  Ps2 = 0.4

Q: ( 4) Cite the reasons why ceramic materials are, in general, harder yet more brittle than metals.

A: The structure of ceramics material is polycrystalline in nature. So, the ceramics materials are…

Q: Use the E- of Chart to identify the metals and ceramics that have E > 10 GPa and of >100 MPa. ? 2-…

A:

Q: i) Describe about crystalline ceramic materials. Draw the structure of a crystalline ceramic…

A: Crystalline ceramics are not suitable for various forms of processing; they can be built in situ or…

Q: Calculate the Degree of Crystallinity of the composite having mineral particles of 15(%) by weight…

A: Given data: Weight fraction of the particle = 15% Enthalpy of crystallization (ΔHC) =  24.4 (J/g)…

Q: Briefly explain why the properties of polycrystalline materials are most often isotropic.

A: Isotropic: Isotropic means the material has same elastic and thermal properties in all directions.

Q: The strength of steel is given as 225MPa. That of a ceramic is indicated as 200-800MPa . Explain the…

A: STEEL - Steel is an alloy of iron with few fraction of carbon which enhances its strength and…

Q: Compare the carbonization and nitrification of steel

A: To compare : Carbonization of steel (Carburizing) Nitrification of steel (Nitriding)   Carburising…

Q: (a) For refractory ceramic materials, cite two characteristics that improve with and two…

A: Consider the diagram shown below for the given system.

Q: martensite is formed and highlight its effect on mechanical properties.

A: 1).martensite is hardest phase of the carbon steel. It is formed when we quenching the the γ-phase…

Q: Identify the ceramic that has no crystal structure and mention the way to improve the properties of…

A: Solution:

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

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

Q: A form of boron nitride (BN) known as hexagonal boron nitride is used as a solid lubricant. Explain…

A: Boron Nitride (BN) is formed by the combination of Boron and Nitrogen. It is a synthetic material…

Q: 9.6 Briefly explain (a) why there may be sig nificant scatter in the fracture strength for some…

A: a) Why there may be significant scatter in the fracture strength for some given ceramic material.…

Q: ..... is not a.characteristic property of a ceramic material. 1) Low compressive strength 2) High…

A: Ceramic materials are brittle materials so they have high compressive strength and low tensile…

Q: 1-Can ceramics contain dislocations

A: To find:- Can ceramics contain dislocations

Q: Identify the main materials' properties (Mechanical, Electrical, thermal and others), give an…

A: Physical, chemical, or mechanical components of a particular product are the material properties…

Q: wWucsuons © 1. Differentiate between the following transformations Pearlite, (b) Bainitic (c)…

A: Steel is quenched, usually with water or oil, to produce pearlite. The main distinction between it…

Q: Steel is coated with a thin layer of ceramic to help protect against corrosion. What do you expect…

A:

Q: Ceramic tiles Wooden surface PVC mat Arrange the materials according to their surface hardness in…

A: The resistance of the particular material towards indentation, penetration, or scratching is defined…

Q: Estimate the linear relationship between the Ultimate Tensile Strength and HBN for the range of…

A: here take linear line of brass alloys from  strength Vs BHN diagram. Now locate extreme point of…

Q: Identify any two materials that are used to improve the properties of glass from the following…

A: Identify the materials that are used to improve the properties of glass from the following option

Q: H.W: what are the bonding and structure of graphite, explain why graphite is a good solid lubricant.

A: Graphite is a form of Carbon which is arranged in 6-membered hexagonal rings as sheets with van der…

Q: Project 6: Identify the main materials' properties (Mechanical, Electrical, thermal and others),…

A: 1. Mechanical properties of material   These include strength, ductiloty, brittleness, toughness etc…

Q: Compare carbonization and nitrification

A: The comparison between carbonization and nitrification is given as under.

Q: Give five characteristics of ceramics.

A: We are supposed to solve only one question. Please post other questions as a separate question.

Q: (4) Cite the reasons why ceramic materials are, in general, harder yet more brittle than metals.

A: 4) The answer lies in the ''crystal structure'' of the materials. The bond across grain…

Q: B. What is the coordination # of cesium chloride ceramic structure? which metall crystal structure…

A: The coordination number for the cesium chloride structure is *. There are 1 cation and 1 anion in…

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

A: Crystal Structure for the Steel is 3 Type Face Center cubic FCC Body center cube BCC Hexagonal…

Q: Most ceramic materials suffer fracture before the onset of plastic deformation as

A:

Q: Describe how to apply the lever rule to calculate relative amounts of phases in a phase diagram of…

A: Lever rule: It is a concept which is used to determine the mass fraction or mole fraction of each…

Q: 2. Plot the effect of glass temperature on phase transition (Vitrification) in amorphous polymers.

A: The graph is given below -

Q: Create your own tree diagram of ceramics materials classification based on application, then briefly…

A: Ceramics are a category of materials characterized by their height hardness and low flexibility.…

Q: Briefly discuss the bases for the materials classification? In your answer, explain each type and…

A: