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(a)
Interpretation:
The use of uniaxial compaction and sintering should be explained.
Concept Introduction:
Sintering is a process where heat or pressure is applied to compact and form solid mass without melting it. It happens naturally in mineral deposits or used as manufacturing plastics and other materials. There are sintering parameters as follows:
- High-density compact nanomaterials.
- Microwave sintering, etc.
(b)
Interpretation:
The use of hot pressing should be explained.
Concept Introduction:
Hot pressing is a process of high pressure, low strain rate metallurgical process for forming a powder or compacting powder at high temperature to induce sintering and creeping process.
The process is carried out by simultaneous action of pressure and heat.
This technique is used to produce metal and ceramic-based composites that are simple and versatile.
(c)
Interpretation:
The use of HIP should be determined.
Concept Introduction:
HIP stands for hot isostatic pressing process.
It is the manufacturing process used to reduce the porosity of metals and improve the density of ceramics materials. By achieving these properties, it eventually improves the materials
(d)
Interpretation:
The use of tape casting should be determined.
Concept Introduction:
The process of making ceramic tapes from ceramics slurry is called as tape casting. It is a type of casting process also called doctor blading and knife coating. The ceramic slurry is cast in a thin layer onto a flat surface and later dried and sintered.
Tape casting was famous as mass produce capacitor methods.
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Chapter 15 Solutions
Essentials Of Materials Science And Engineering, Si Edition
- Two group of students are collecting traffic data at the two sections A and B 200 meters apartalong a highway. Group A shows that 5 vehicles pass those sections at interval of 8, 9, 10, 11and 13 sections respectively. If the speeds of the vehicles were 80, 72, 64, 56 and 48 kmph.Compute : (i) the time mean speed (ii) space mean speed, and (b)what will be the averagedensity of the above traffic streamarrow_forwardA person entering public transport center to purchase intercity Bus ticket. There is two ticket line to purchase tickets. Each ticket purchase takes an average of 12 seconds. The average arrival rate is 3 persons/minute. Find (a) Probability of having one traveler in the system, (b) the average length of queue, (c)average waiting time in queue, (d) average time spend in system. Arrival follows Poisson distribution and service time follows negative exponential distribution.arrow_forwardYou are the project manager of a project that has the following facilities: security entrance, driveways, parking, landscape, small office building, fabrication building, communication building, and a recreational building. Develop a preliminary work breakdown structure (WBS) for the project. Identify the engineering disciplines required for the design of the projectarrow_forward
- Homework You have the row vector (A) that has values from (-100 to 100), write MATLAB codes to: (1) Interchange the first 10 elements with last ten elements. (2) Replace the elements at indices (93,9,17,50) of A with 99. (3) Return the second element and the element before the last of A as a column vector (C1). (4) Extract the first five elements and the last five elements of A and append them as a row vector (R). (5) Set the elements of A with odd indices to zeros(0).arrow_forwardif the error in a closed-loop Servo motor system is zero, why does the motor Contimac ranning instead of stoppingarrow_forwardUse recommended referencing style (APA) for all materials you used in the presentation of the report. Question 1 Ivan Institute has secured funds to construct an oval-like lecture hall at their new campus at a cost of 3 million United States Dollars. As a consultant of the project, you have a mandate to package the project for the most qualified contractor. Carry out the procurement process from advertisement to awardarrow_forward
- The calibrated Greenberg model is of the form, v = 32ln(295/k),where k is in veh/mile and v is in mile/hr.(a)Sketch the v-k relationship and discuss the obviousdisadvantage of the model. b)Determine (i) the jam density, (ii) the capacity or maximum flowand (iii) the values of speed and density at capacity. (c)Sketch the q-k and v-q relationshipsand indicate the points obtained in (b) above.arrow_forwardSolve this problem and show all of the workarrow_forwardSolve this problem and show all of the workarrow_forward
- Vehicles begin to arrive at an amusement park entrance at 8:00 A.M. at a rate of 1000veh/h. Some of these vehicles have electronic identifiers that allow them to enter the park immediately, beginning at 8:00 A.M., without stopping (they are billed remotely). All vehicles without such identifiers stop at a single processing booth, but they wait in line until it opens at 8:10 A.M. Once open, the operator processes vehicles at μ(t) = 8 + 0.5t [where μ(t) is in vehicles per minute and t is in minutes after 8:10 A.M.]. An observer notes that at 8:25 there are exactly 20 vehicles in the queue. What percent of arriving vehicles have electronic identifiers and what is the total delay (from the 8:00 A.M. until the queue clears) for those vehicles without the electronic identifiers (assume D/D/1 queuing)?arrow_forwardSolve this problem and show all of the workarrow_forward1. For truss given in a figure below, determine reactions, and forces in all truss members. De- termine forces using two methods independently: (a) method of joints, and (b) method of sections. Compare your results and verify that your solutions are accurate. Assume that force F = 10kN. 2m 2m 2m ▼F ▼F 4m ▼F 4marrow_forward
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