What are the difference between the ductile plastics, hard crystalline or hard glassy plastic, and rubber?
What are the difference between the ductile plastics, hard crystalline or hard glassy plastic, and rubber?
Select the type of stress – strain curve (hard-brittle, ductile-tough, ductile-soft) that best describes each of the following materials: (a) ceramics, such as zirconia and alumina (b) polymers such as HD polyethylene (c) glassy polymers, such as poly(methyl methacrylate) (d) soft tissues, such as skin (e) hard mineral materials, such as bone and teeth (f) rubber elastomers (g) stainless steels
6) Plastic deformation in a ductile machine ch question 10 points element causing separation into multiple pieces a. Ductile rupture b. Buckling c. Brittle fracture d. Fatigue 1) Plastic deformation amplified by high temperature operation over time a. Fretting b. Cavitation corrosion c. Creep d. Thermal shock stress e. Surface erosion Plastic deformation in a ductile machine element causing separation due to crack propagation a. Ductile rupture b. Fatigue c. Fretting d. Spalling 7) Static normal loads between two curved...
Q5 Scenario: Charge by induction of an electroscope needle by rubbing the hard rubber rod vigorously with a sheet of wool. a) What charge does the rubber rod have? Explain. b) Does the wool have an opposing charge? Explain.
Explain the difference between a hard link and a soft link in UNIX systems. Are there things that can be done with a hard link that cannot be done with a soft link or vice versa.
1. What is difference amongst thermoplastic, thermosets and elastomers? Include one example of each. 2. Explain how stress strain behaviour of thermoplastics, elastomers and brittle materials differ? Include stress strain curves. 3. What is a glass transition point? Explain through the curves for glass and crystalline materials. 4. How a temperature drop of 50 C below 0 C would affect polythene bottle? Explain. 5. What type of bonding explains function of adhesives? 6. Why plastic beams are not used to...
can someone help me find this information? Pre-Laboratory Exercise: Plastics Identification I. List four properties that you will use in lab to determine the identity of the polymer samples 2. Describe the density test. What observation will help you determine the density of each polymer? What precautions should be taken in placing the sample in the solutions? 3. Write the name and abbreviation for the six recyclable polymers 2 huetn deisity polyetayene.HDpz poulene: PP 4. Given the list of wavenumber...
Louisville Knock-Offs produces three versions of baseball bats: wood, aluminum, and hard rubber. A condensed segmented income statement for a recent period follows: Aluminum $200,000 140,000 60,000 35.000 25.000 Hard RubberNTotal $65,000 58.000 7,000 22.000 SS000) Wood $500,000 325.000 175,000 75,000 $100.000 $765,000 523.000 242,000 132.000 $110.000 Sales Variable expenses Contribution margin Fixed expenses Net income (loss) Assume ALL of the fixed expenses for the hard rubber line are avoidable. What will be total net income if the line is...
What may be a simple test method to differentiate between brittle and ductile fracture? Discuss the effects of temperature and loading rate
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in humans. The value of Hcomb for dimethylphthalate (C10H 1004) is -4685 kJ/mol. Assume 0.970 g of dimethylphthalate is combusted in a calorimeter whose heat capacity (Ccalorimeter) is 6.90 kJ/°C at 21.0 °C. What is the final temperature of the calorimeter?
This is for a Unix class: Explain the difference between soft link and hard link and come out with your own step-by-step example demonstrating the differences between two link types. 2. What’s the final effect of the following statements? (hint: Explain them in terms of the stdio and kernel buffers.) fflush(aFilePointer); fsync(fileno(aFilePointer));