For an application of high strength components including gears cams and rollers the desired properties in a plastic would be high tensile and impact strength, stability at high temperature, and machine ability. Potential materials which are suitable for these applications are nylon phenolics, TFE filled acetals, PET, and poly carbonate. True or false.

Q: Make introduction First paragraph: Generally, explain thermoplastic fundamental and their demand in…

A: These are a kind of plastics which can be recycled under the influence of heat many a times and…

Q: The rule of mixture (ROM) for composites may be used to calculate some of the physical properties of…

A: The Rule of Mixtures (ROM) is a concept that is used in the field of composite materials. This…

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: Answer the following questions. i) Write down the important properties of polymers. : ii) What do…

A: (i) Important properties of the polymers. The non-conducting property. Polymers act as good…

Q: [Materials Engineering] In a severe fracture, bone plates with screws are surgically implanted to…

A: given; In a severe fracture, bone plates with screws are surgically implanted to hold the bone in…

Q: Thermal plastics are stronger than thermoset plastics.

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

Q: Suppose you're selecting materials for a frictional braking system which will be used to bring a…

A:

Q: (b) Packaging material comes in different forms. Give two common packaging materials and explain…

A: Solution:

Q: sketch the generalized stress-strain curve for a semi-crystalline thermoplastic polymer.

A: Solution:   The Generalized stress-strain curve with points labeled for a semi-crystalline…

Q: Question 1 Grade 304 stainless steel is used to manufacture a component for an  industrial…

A: Composition is the mixture of two ingredients or elements. For different cast irons mostly silicon…

Q: A classification of plastic where the material can be liquified and allowed to harden over and over…

A: Thermoplastic: The thermoplastics have secondary bonds between their molecular chains. These…

Q: The thermal expansion properties of polymers are generally ____________________ as those of metals?…

A: Given Statement:-  The thermal expansion properties of polymers are generally ____________________…

Q: Kindly solve it completely by hand if possible.

A: Step 1: Calculate the mid-point of each molecular weight range First, we will find the mid-point of…

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: EAC in metals causes cracks to form and grow. What other feature can form and grow in amorphous…

A: Engineering plastics, such as amorphous polymers have been developed intensively over the past…

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: As crystallinity of polymers increases density decreases true or false

A: False.  Because crystallinity defined as the degree of arrangement or long range order of atom in a…

Q: Which one of the followings not a reason to use an additive in plastics] ? a. Bacterial degradation…

A: Additives in plastic :

Q: Identify which is typically tougher: a semicrystalline or an amorphous polymer.

A: The difference between the given polymer types lies in their molecular structure. Amorphous material…

Q: If you need a plastic material for a product that must resist a variety of chemicals and affects of…

A: Fluorocarbon plastic will be chosen.

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: 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: Composite materials must contain more dispersed material and less matrix material. Select one: O…

A: The matrix phase of a composite fabric may be a metal, a polymer or ceramic. Matrix stage is…

Q: What are the different types of Plastic Materials? Discuss each briefly (at least 4 types)

A: There are 7 different types of plastic materials are there They are: Acrylic or Polymethyl…

Q: In a polymer-polymer composite, the weight percentage of the polymer 1 and polymer 2 are 20% and 80%…

A:

Q: A manufacturer plant to produce a new thermoplastic product. Select a suitable processing method…

A: Given:- Thermoplastic products   To find:- Manufacturing method used for thermoplastic product

Q: The data below is from a fibre reinforced plastic. Would this composite be suitable for use at…

A: As per Bartleby answering guidelines we are supposed to give only first question as there are no sub…

Q: Thermoplastics cannot be remelted and remolded. O True False

A: Given: Thermoplastics cannot be remelted and remolded. To find: True or false.

Q: s the effect of temperature and strain rate on the mechanical properties of polymers.

A: Discuss the effect of temperature and strain rate on the mechanical properties of polymers.

Q: Which of the following are incorrect regarding the crystallinity and mechanical behavior of…

A: Molecules of the polymer are in a frozen state at low temperatures where these molecules can vibrate…

Q: Carbon fibers are used to reinforce with the matrix in the fiber-reinforced polymers.

A: Carbon fiber reinforced polymers  are composite materials. In CFRP the reinforcement is carbon…

Q: 8/ What is the principal difference between the two subdivisions of the polymeric composites: therm…

A: 8.1 answer Two types of polymers are used as matrix materials for fabrication composites:…

Q: Which one below is true for thermoplastic polymers? * O They do not soften when heated and do not…

A: Thermoplastic polymer are those polymer which can be reshape on applying heat. On the other hand…

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: Stress (0) STRESS-STRAIN BEHAVIOR OF POLYMERS Brittle Plastic Tough & Strong Plastic Hard & Tough…

A: Brittle plastic: As the name suggested it will be brittle in nature with negligible plastic…

Q: Composite materials represent important part of engineering materials and their use is on the rise…

A: The objective is to critically analyze the production method of a selected engineering composite…

Q: (c) Explain three properties and uses of wood as a construction material. Why is wood preferred to…

A: c) Wood is one of the Natural materials on the earth which has versatile use due to it's different…

Q: Choose a beverage other than water, identify and name three material properties that are needed for…

A:

Q: Thermosetting polymers have one of the following Select one: O a. No plastic deformation O b. very…

A:

Q: Briefly Differentiate between mass and suspension polymerization.

A: Given Mass polymerization Suspension polymerization To find Difference

Q: Bakelite is one of the widely ___________________ polymer. Select one: Thermoset Elastomers…

A: Bakelite is the first plastic made from synthetic components. It's chemical name is…

Q: Many thermoplastics are brittle below their glass transition temperature. Describe the particular…

A: given; Many thermoplastics are brittle below their glass transition temperature. Describe the…