Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 4.8, Problem 63SEP
To determine
Describe all the features that you are observing in this micrograph from Figure P4.63 of optical micrograph of 1018 steel (200×) made of mostly iron and a small amount of carbon (only
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
For the images shown below, which Miller indices for crystallographic planes are included?
lu
C.
Z
Select one or more:
a. (111)
b. (230)
(211)
d. (110)
e. (100)
b
y
X
a/2
Z
b
Z
2b/3
The following is a schematic micrograph that represents the microstructure of some hypothetical metal.
100 μη
Determine the following:
(a) Mean intercept length
(b) ASTM grain size number, G
For this problem, there is no correct answer since each individual may end-up with a slightly different result.
Calculate the grain size number of this micrograph using the six red lines already included on the graph:
(a) LT=
(b) P =
(c) M =
(d) λ =
(e) G =
(specify unit)
(specify unit)
100 μm
Chapter 4 Solutions
Foundations of Materials Science and Engineering
Ch. 4.8 - Prob. 1KCPCh. 4.8 - Define the homogeneous nucleation process for the...Ch. 4.8 - In the solidification of a pure metal, what are...Ch. 4.8 - In the solidification of a metal, what is the...Ch. 4.8 - During solidification, how does the degree of...Ch. 4.8 - Distinguish between homogeneous and heterogeneous...Ch. 4.8 - Describe the grain structure of a metal ingot that...Ch. 4.8 - Distinguish between equiaxed and columnar grains...Ch. 4.8 - How can the grain size of a cast ingot be refined?...Ch. 4.8 - Prob. 10KCP
Ch. 4.8 - Prob. 11KCPCh. 4.8 - Prob. 12KCPCh. 4.8 - Distinguish between a substitutional solid...Ch. 4.8 - What are the conditions that are favorable for...Ch. 4.8 - Prob. 15KCPCh. 4.8 - Prob. 16KCPCh. 4.8 - Prob. 17KCPCh. 4.8 - Prob. 18KCPCh. 4.8 - Describe the structure of a grain boundary. Why...Ch. 4.8 - Describe and illustrate the following planar...Ch. 4.8 - Prob. 21KCPCh. 4.8 - Describe the optical metallography technique. What...Ch. 4.8 - Prob. 23KCPCh. 4.8 - Prob. 24KCPCh. 4.8 - Prob. 25KCPCh. 4.8 - Prob. 26KCPCh. 4.8 - Prob. 27KCPCh. 4.8 - Prob. 28KCPCh. 4.8 - Prob. 29KCPCh. 4.8 - Prob. 30KCPCh. 4.8 - Prob. 31KCPCh. 4.8 - Calculate the size (radius) of the critically...Ch. 4.8 - Prob. 33AAPCh. 4.8 - Prob. 34AAPCh. 4.8 - Calculate the number of atoms in a critically...Ch. 4.8 - Prob. 36AAPCh. 4.8 - Prob. 37AAPCh. 4.8 - Prob. 38AAPCh. 4.8 - Prob. 39AAPCh. 4.8 - Prob. 40AAPCh. 4.8 - Prob. 41AAPCh. 4.8 - Prob. 42AAPCh. 4.8 - Determine, by counting, the ASTM grain-size number...Ch. 4.8 - Prob. 44AAPCh. 4.8 - For the grain structure in Problem 4.43, estimate...Ch. 4.8 - Prob. 46AAPCh. 4.8 - Prob. 47SEPCh. 4.8 - Prob. 48SEPCh. 4.8 - Prob. 49SEPCh. 4.8 - Prob. 50SEPCh. 4.8 - In Chapter 3 (Example Problem 3.11), we calculated...Ch. 4.8 - Prob. 52SEPCh. 4.8 - Prob. 53SEPCh. 4.8 - Prob. 54SEPCh. 4.8 - Prob. 55SEPCh. 4.8 - Prob. 56SEPCh. 4.8 - Prob. 57SEPCh. 4.8 - Prob. 58SEPCh. 4.8 - Prob. 59SEPCh. 4.8 - Prob. 60SEPCh. 4.8 - Prob. 61SEPCh. 4.8 - Prob. 62SEPCh. 4.8 - Prob. 63SEPCh. 4.8 - Prob. 64SEPCh. 4.8 - Prob. 65SEPCh. 4.8 - Prob. 66SEP
Knowledge Booster
Learn more about
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
- Would you need a semi-truck to transport 1 x 1025 atoms of copper? Show your dimensionalanalysis and explain using a complete sentence.arrow_forwardAssume we have to accommodate 18 million books, each of which has 1 billion characters. If each character can be written using 100atoms, and if the bulk atoms can be used, calculate the size of an object (in nanometers) that can accommodate all the 18 million books. Assume one atom occupies a space which is 0.25 nm in sizearrow_forward(a ) Rhodium has an atomic radius of 0.1345 nm and a density of 12.41 g/cm^3 . Determine whether it has an FCC or BCC crystal structure. (Note: It has an atomic weight of 102.91 g/mol.) (b) If aluminum diffused into a thick slice of silicon with no previous aluminum in it at the temperature of 1100 degrees celcius for 6 hours, what is the depth below the surface at which the concentration is 1016 atoms/cm^3 if the surface concentration is 1018 atoms/cm^3 . D=2x10^(-12) cm^2 /s for Al diffusing in Si at 1100 degrees celcius.arrow_forward
- Crystal structures have long range order. True or false?arrow_forwardDefine the difference between elastic and plastic deformation in terms of the effect on the crystal lattice structure.arrow_forwardYou can use 1kV-30kV in a scanning electron microscope (SEM). You are asked to analyze the surface topography as well as bulk microstructure of a cast iron. Keep working distance and spot size constant for your experiment. CALCULATE the ‘electron interaction’ volume or depth of penetration of electron beams to the sample for the 2kV voltage (applied). Which voltage (2kV, 5kV, 10kV, 20kV, or 30kV) do you prefer for surface topography and which one for bulk microstructure? For calculation, consider the cast iron as just iron. Show your work.arrow_forward
- On the basis of ionic charge and ionic radii given in Table 3.4, predict crystal structures for the following materials:a. CsIb. NiOc. KId. NiSarrow_forwardGiven the indices of the plane to be (4 2 3). Assuming the given to be Miller Index, what is its corresponding Weiss Index? a. (3 6 4) b. (3 2 4) c. (4 6 3) d. (4 2 3)arrow_forwardQuestion-6 Gold has a lattice constant of 0.40788 nm. Calculate a value for the atomic radius of a gold atom in nanometers. Compare this value with the standard atomic radius of gold. Question-7 Calculate the volume in cubic nanometers of the titanium crystal structure unit cell. Lattice constants for titanium at 20°C are a 0.29504 nm and c 0.46833 nm.arrow_forward
- For BCC metal X, compute the interplanar spacing for the 212 set of planes. The lattice parameter for Fe is 0.2194 nm. Round your answer to 2 decimal places.arrow_forwardA hypothetical metal has the SC crystal structure, a density of 7.08 g/cm3, and an atomic weight of 51.63 g/mol. The atomic radius of this metal in nanometer isarrow_forwardThe accompanying figure shows a unit cell for a hypothetical metal. (a) To which crystal system does this unit cell belong? (b) What would this crystal structure be called? (c) Calculate the density of the material, given that its atomic weight is 145 g/mol. +2 90°i 0.40 nm +y 90° 90° 0.30 nm 0.30 nm +Xarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Welding: Principles and Applications (MindTap Cou...Mechanical EngineeringISBN:9781305494695Author:Larry JeffusPublisher:Cengage LearningUnderstanding Motor ControlsMechanical EngineeringISBN:9781337798686Author:Stephen L. HermanPublisher:Delmar Cengage Learning
Welding: Principles and Applications (MindTap Cou...
Mechanical Engineering
ISBN:9781305494695
Author:Larry Jeffus
Publisher:Cengage Learning
Understanding Motor Controls
Mechanical Engineering
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Delmar Cengage Learning