Identify the correct ceramics that are used for the manufacturing of cutting tools from the following options. Silicon Carbides Boron Nitrides Titanium Carbides Tungsten Nitrides
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- Identify the correct ceramics that are used for the manufacturing of engine parts from the following options. Titanium Carbides Boron Nitrides Tungsten Nitrides Silicon CarbidesWhich is the correct property of ceramics? highly ductility Low strength stronger interatomic bonding Low shear resistanceDescribe and discuss two methods of protecting steel from electrochemicalcorrosion
- When answering the following questions, ensure that you explain in terms of both the microscopic and macroscopic structure of the materials. A) Metallic- explain the differences in terms of structure for both low carbon and high carbon steels, also explaining how the structure and carbon content impacts properties of the steel. B) Ceramic - state the structure of a PZT based piezoelectric ceramic material , explain how this can be made piezoelectric and the key properties and changes that can occur.State the advantages and disadvantages of natural diamond bits?Classify each material as a metal, polymer, ceramic or composite based on the properties listed. Brass – Electrically conductive, strong. Magnesium oxide – Electrical and thermal insulator, can resist high temperatures. Plexiglas – Light weight, electrical insulator, cannot withstand large loads. Polychloroprene – Low density, high ductility, not strong, electrical insulator. Boron carbide – High hardness, high stiffness, high toughness.
- In fabrication of the high-temperature turbine blades, if you wished to minimize the centrifugal forces on the blades leading to failure, which materials science strategy would be best: Select one: Oa. Orient the crystals from the root of the blade to the apex Ob. Use an amorphous material O c. Orient the crystals perpendicular to the line from the root of the blade to the apex Od. Orient the crystals randomlyFor each of the following - choose the best response For Traditional Vs Advanced Ceramics Group of answer choices Coarser structure Less expensive Made from natural raw materials Higher strength Higher fracture toughnessWhile removing material from iron, (atomic weight = 56, valency = 2 and density = 7.8 g/cc by electrochemical machining, a metal removal rate of 2 cc/min is desired.what is the current (in A) required for achieving this material removal rate?
- 6. What are materials that effect by Tempruter in the Impact Test (crystal strucre)H.W: what are the bonding and structure of graphite, explain why graphite is a good solid lubricant.Determine relationship: relative permittivity – capacitance ; (direct, inverse, no effect) molecular weight – glass transition temp ; (direct, inverse, no effect) alumina Frenkel defects – electronic heat conduction ; (direct, inverse, no effect) alumina porosity – thermal insulation ; (direct, inverse, no effect) magnetization – relative magnetic permeability ; (direct, inverse, no effect)