Calculate the percentage increase in the mechanical properties of reinforced nylon from the data given in Fig 10.19.

Q: Which of the following is rubber structure? What is the other material? Why does rubber have a large…

A: The crystal structure of two materials given in the question, and we know that a crystal structure…

Q: Based on the facts that the free-radical polymerization of ethene is spontaneous and that polymer…

A: Free radical polymerization: A free radical polymerization is a chain reaction in which monomer…

Q: a) Calculate the degree of Polymerization when an average molecular weight of a Polymer is 23040…

A: The molar mass of the the monomer C8H8O4 can be calculated as : ⇒molar mass =8×mass of carbon…

Q: Problem3: Find (10) ten products using Carbon fiber in pictures

A: Carbon fiber products are present in the everyday world, they are no longer limited to aviation and…

Q: what is specific strength? why fibers have very high specific strength?

A: following is the answer to the above problem-

Q: Thermal plastics are stronger than thermoset plastics.

A: No, Thermal plastics are not stronger than thermoset plastics.

Q: 7) You are working on design improvements for a set of 4" diameter gears for a children's toy, and…

A: Concerns High tooling costs and long set-up lead times. Up-front costs are high due to the plan,…

Q: State and explain the effects of three additives added to polymers

A: Let us discuss additives added to polymer.

Q: nsity of 1.12 g/cm³ and a weight-average mole sity of 1.10 g/cm³ and a weight-average mole

A: It is possible to detect which polymer has a higher melting temperature than another. Isotactic…

Q: Which of the following plastic and composite materials processing is most suitable for the…

A: polymer automotive body panels are widely applied in automotive industries due to their high…

Q: What is polymers?

A: Polymers are basically substance that contains a large number of structural units, those units are…

Q: Explain how macroscopic hardening occurs in semicrystalline polymers from the point of view of…

A: Introduction: Strain hardening is not basically affected by the degree of crystallinity. In…

Q: Lean manufacturing is a concept that is now widely implemented within manufacturing. Discuss how…

A: lean manufacturing can help in improving the performance of Polymer production facility by following…

Q: s that are 0.25mm thick. If the extruder head and polymer extrudate  velocities are both 40 mm/s,…

A: Given data as per question Diameter=1.25 mm Thickness=0.25 mm Velocity=40 mm/s Solid cube,a= 38 mm…

Q: Suggest two types of polymerizations for most plastics. Explain both types

A: To find : a) Name the two types of polymerizations for most plastics. b) Explain these two types

Q: A steel plate used for polymer forming is to be bent into a circular shape having an inside radius…

A:

Q: What are the characteristics and mechanical properties of PMMA? Is PMMA a thermoplastic or thermoset…

A: PMMA - It is Poly methyl methacrylate,it is also know as acrylic glass. This type of polymer is used…

Q: Within polymer processing, what is the difference between screw extrusion and injection molding?

A: Screw extrusion Extrusion is a method of producing long objects with a continuous cross-section by…

Q: A new composite material is to be manufactured from carbon fibre and resin component materials. The…

A: Given data: EC=8.25 GPaEf=142 GPaER=5.42 GPa Need to determine the relative volume fraction of…

Q: Drawing on the discussion of the production of polyester textiles. Give a detailed and compelling…

A:

Q: What is the purpose of a plasticizer, and what specific effect on room temperature behavior is…

A: Plasticizer: It is a colorless odorless component used mainly used along within raw materials to…

Q: What are 'elastomers'? What are their distinguishing

A: introduction: Rubber tyres and tubes for automobiles, motorcycles, bicycles, and recreational…

Q: What are the differences between addition polymerization and condensation polymerization?

A: The main difference between addition and condensation polymerization is that in addition…

Q: What is ceiling temperature in thermodynamics of polymerization? Explain the correlation of ceiling…

A: Thermodynamics of polymerization determines the position of equilibrium between polymer and monomer.…

Q: Why do thermoplastic polymers start to turn white as they are plastically deformed?

A:

Q: Please tell in detail about macroscopic composites.

A: Given Data : Macroscopic composite

Q: Discuss the significance of the glass-transition temperature, Tg, in engineering applications.…

A: Glass transition temperature Glass transition temperature is defined as the temperature below which…

Q: List at most 5 Metallurgy composites without explanation.

A: Solution: 5 composites prepared from Powder Metallurgy:

Q: (b) Compare alpha and beta prototyping with related examples for each type.

A: Alpha prototype -  this prototyping is done to test the early design process and the technologies on…

Q: How does the degree of cross-linking affect the mechanical properties of a tough polymer?

A: Degree of cross-linking in Polymer: Cross-linking refers to the process of chemically bonding…

Q: Explain why a polymer behaves like a classical Hookean spring when stretched

A: A hooken spring is that spring which elongates instantly and when a load is applied on the spring…

Q: Expound on twinning as a mechanism for plastic deformation and include conditions for which it will…

A: Twining is the mechanics of plastic deformation in metallic materials. It is a shear force that can…

Q: 8. a. DEHP can make PVC more flexible. Explain what happens at the molecular level that can explain…

A:

Q: escribe vacuum forming/thermoforming processes. What are typical thermoformed plastic products?

A: For this process we require a one sided mold with the required profile and contours. A heated…

Q: part ( a )  What is polymer melt? Identify the relation of polymer melt to viscosity and…

A: POLYMER A polymer is a substance or material made up of very big molecules, or macromolecules, that…

Q: State the critical difference in the processing behavior of thermoplastics vs. thermosets.

A: The primary physical difference is that thermoplastics can be remelted back into a liquid,…

Q: Why do crystalline polymers tend to have higher density than amorphous ones?

A: crystalline polymers tend to have higher density than amorphous ones because-

Q: Viscosity is an important property of a polymer melt in plastics shaping processes. Upon what…

A: The parameters on which viscosity depends.

Q: The use and applications of plastics in our everyday life cannot be denied. Identify and discuss…

A: (i) Construction industry High strength to weight ratio - Plastics have high strength to weight…

Q: Identify a biodegradable synthetic polymeric material. Give an example of how it may be used as an…

A: Biodegradable synthetic polymeric material are the man-made polymeric material which is mostly…

Q: Regarding amorphous plastics, explain why they tend to have higher tensile strength when deformed…

A: INTRODUCTION: Amorphous materials are found in both natural and manufactured systems. Thin-film…

Q: Outline THREE advantages of using carbon fibre composites, in preference to other materials, in…

A: Carbon fiber composites are being used more often by commercial airlines to construct airplane…

Q: lease Explain it in details Compare and Contrast Material Properties of Lead and Plastic

A: Mechanical properties are the physical characteristics that a material displays when forces are…

Q: Explain the relationship between STRUCTURE/ PROPERTIES/ PROCESSING/ PERFORMANCE of a polymer which…

A: Polymers are found in every aspect of life now a days and it is almost impossible to imagine life…

Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.