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The Science and Engineering of Materials (MindTap Course List)
7th Edition
ISBN: 9781305076761
Author: Donald R. Askeland, Wendelin J. Wright
Publisher: Cengage Learning
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Question
Chapter 5, Problem 5.74P
To determine
The sintering process and the driving force for this process.
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Students have asked these similar questions
Cite two reasons why interstitial diffusion is normally more rapid than vacancydiffusion.
Sintering of ceramics is characterized by:
(This question has only one correct answer)
а.
Extrusion of a ceramic rod through a small diameter channel
O b. Mixing a solid precursor with water
Formation of a solid polycrystalline ceramic from a molten precursor
С.
O d.
Decrease in surface energy
A process that is used to make high-quality technical ceramics is called sintering (see images below). During the early stage of sintering, individual particles are attached by the formation of necks. How do the so-called necks form? (In other words, what processes are occurring that cause the necks to form?)
Chapter 5 Solutions
The Science and Engineering of Materials (MindTap Course List)
Ch. 5 - What is the driving force for diffusion?Ch. 5 - Give three examples of materials processes that...Ch. 5 - In the carburization treatment of steels, what are...Ch. 5 - Prob. 5.4PCh. 5 - Prob. 5.5PCh. 5 - Prob. 5.6PCh. 5 - Prob. 5.7PCh. 5 - A certain mechanical component is heat treated...Ch. 5 - Prob. 5.9PCh. 5 - Prob. 5.10P
Ch. 5 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Compare the diffusion coefficients of carb on in...Ch. 5 - Prob. 5.18PCh. 5 - Activation energy is sometimes expressed as...Ch. 5 - Prob. 5.20PCh. 5 - The activation energy for the diffusion of copper...Ch. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - Write down Fick’s first law of diffusion. Clearly...Ch. 5 - Prob. 5.27PCh. 5 - Prob. 5.28PCh. 5 - Prob. 5.29PCh. 5 - Prob. 5.30PCh. 5 - A 1-mm-thick BCC iron foil is used to separate a...Ch. 5 - Prob. 5.32PCh. 5 - Prob. 5.33PCh. 5 - A 0.001 in. BCC iron foil is used to separate a...Ch. 5 - Prob. 5.35PCh. 5 - Prob. 5.36PCh. 5 - Prob. 5.37PCh. 5 - Prob. 5.38PCh. 5 - Prob. 5.39PCh. 5 - Prob. 5.40PCh. 5 - Prob. 5.41PCh. 5 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Prob. 5.44PCh. 5 - Prob. 5.45PCh. 5 - Prob. 5.46PCh. 5 - Prob. 5.47PCh. 5 - Prob. 5.48PCh. 5 - Pure zinc is to be diffused into copper by dipping...Ch. 5 - Nitriding is a process in which nitrogen is...Ch. 5 - Determine the carburizing time necessary to...Ch. 5 - Prob. 5.52PCh. 5 - Prob. 5.53PCh. 5 - Prob. 5.54PCh. 5 - Prob. 5.55PCh. 5 - Prob. 5.56PCh. 5 - Prob. 5.57PCh. 5 - Prob. 5.58PCh. 5 - Compare the rate at which oxygen ions diffuse in...Ch. 5 - Prob. 5.60PCh. 5 - Prob. 5.61PCh. 5 - Prob. 5.62PCh. 5 - Prob. 5.63PCh. 5 - Prob. 5.64PCh. 5 - Prob. 5.65PCh. 5 - A 0.80% C steel must operate at 950°C in an...Ch. 5 - Prob. 5.67PCh. 5 - Prob. 5.68PCh. 5 - Prob. 5.69PCh. 5 - Prob. 5.70PCh. 5 - Prob. 5.71PCh. 5 - Prob. 5.72PCh. 5 - Most metals and alloys can be processed using the...Ch. 5 - Prob. 5.74PCh. 5 - Prob. 5.75PCh. 5 - Prob. 5.76PCh. 5 - A ceramic part made from MgO is sintered...Ch. 5 - Prob. 5.78PCh. 5 - What are the advantages of using hot pressing and...Ch. 5 - Prob. 5.80PCh. 5 - Prob. 5.81DPCh. 5 - Design a spherical tank, with a will thickness of...Ch. 5 - Prob. 5.83DPCh. 5 - Prob. 5.84DPCh. 5 - Prob. 5.85DPCh. 5 - Prob. 5.86CPCh. 5 - Prob. 5.87CPCh. 5 - Prob. 5.88CPCh. 5 - Prob. 5.1KP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Explain how this part is obtained?arrow_forwardGood wetting of the solid by the liquid is a fundamental requirement for liquid phase sintering. Answer the following questions. Calculate the dihedtal angle for a ratio of the interfacial energies Yss/ Ysl equal to 1.732 at a particular sintering temperature. How would you describe the microstructure based on your calculation ?arrow_forwardNylon 6,6 is a thermoplastic polymer with high mechanical strength, high resistance to chemical environments, and good stability under heat. Therefore, it is well suited to be used in 3D structural objects. A cylindrical nylon 6,6 pipe is made by injection molding. The pipe is 1 m long with an outer diameter of 8cm, and a thickness of 2mm. The crystallinity of the pipe is 25%. The density and associated percent crystallinity for two nylon 6,6 samples are measured as below: ρ(g/cm3) crystallinity (%) 1.190 67 1.155 44 Calculate the density of this pipe, which has 25% crystallinity.arrow_forward
- Nylon 6,6 is a thermoplastic polymer with high mechanical strength, high resistance to chemical environments, and good stability under heat. Therefore, it is well suited to be used in 3D structural objects. A cylindrical nylon 6,6 pipe is made by injection molding. The pipe is 1 m long with an outer diameter of 8cm, and a thickness of 2mm. The crystallinity of the pipe is 25%. The density and associated percent crystallinity for two nylon 6,6 samples are measured as below: ρ(g/cm3) crystallinity (%) 1.190 67 1.155 44 If the degree of polymerization is 500, calculate the number of chains in the pipe. (Assume the chains are equal in length).arrow_forwardExplain , why you would/would not use XRD for the characterization of glassarrow_forwardP3 Examine the properties and applications of ceramic products manufactured using the sintering, hot pressing, chemical vapour deposition (CVD) and, reaction bonding processes.arrow_forward
- For a CO molecule, the constant E is approximately 0.00024 eV. (This number is measured using microwave spectroscopy, that is, by measuring the microwave frequencies needed to excite the molecules into higher rotational states.) Calculate the rotational partition function for a CO molecule at room temperature (300 K), first using the exact formula and then using the approximate formulaarrow_forwardNickel oxide (NiO) is a ceramic that has the same crystal structure as NaCl. Given: R(Ni2+)= 0.075 nm and R(02)=0.132 Calculate the lonic Packing Factor (IPF) of NiO? O Na CI Select one: a. 0.47 b, 0.74 c. 0.64 d. 0 12 e. 0.14 f. 0.21 g. 0.41arrow_forwardWhat are the best characteristics of each nano-material (nano-titanium dioxide, silver nano particles, and graphene)? In which application are they most suitable?arrow_forward
- Question 4) SEM images that sintered by two different methods were given below.: 10 um WH. RHODES RAHAMAN i) Name the sintering methods. Explain your answer depending on microstructures above. ii) Give detailed information about these two sintering methods, which one has more advantages,arrow_forwardWHAT ARE THE DIFFERENT PROPERTIES OF LIQUIDS? WHAT IS CRYSTAL STRUCTURE?arrow_forwardAs a process engineer, you are required to deposit conformal silicon thin films with 500 nm thickness on a textured glass substrate (see Figure 1 below) using thermal evaporation and chemical vapour deposition processes. Explain the details of both processes. Contrast the properties of the silicon thin films fabricated by both processes. 500 nm silicon thin film Textured glass Figure 1. Silicon thin film on textured glass.arrow_forward
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Introduction to Diffusion in Solids; Author: Engineering and Design Solutions;https://www.youtube.com/watch?v=K_1QmKJvNjc;License: Standard youtube license