Determine whether the first part of statement will INCREASE, DECREASE or have NO EFFECT in the second part of the statement. If there is an increase in temperature then the number of vacancies will _______. If there is an increase in atomic packing factor then the density will _______. If there is a decrease in cooling rate then the degree of crystallinity will _______.

Q: What is the crystal structure of the following microstructures. 1) Martensite 2) Austenite 3)…

A: crystal structure is the description of arrangement of atoms in crystalline material.

Q: If L, = 22 ±0.01 mm and L. =L, = %3D 10 +0.005 mm, then L (in mm) is %D %3D L3 L4

A:

Q: trength of metals and their alloys increases as grain size decreases. Find out the amount of…

A: From hall patch equation:σy=σ∞+kDHere,σy is the yield strength of grainD=Grain diameterσ∞=Yield…

Q: A. low 2. Burgers vector (b) is used to: A. Determine the type of distortion. B. Describe the size…

A: The significance or use of burger's vector has been asked in the question.

Q: 4. Substitutional diffusion A. Requires existence of vacancies. C. Needs to overcome an energy…

A: (4) Substitutional diffusion occurs by the movement of atoms from one atomic site to another atomic…

Q: 3- crystal structure. External surface O Foreign particles O dislocation 4- two non-metals O…

A:

Q: 1. The stress and strain of a sample under mechanical testing can be classified into two types and…

A:

Q: a) Problem 2: Calculate the number of atoms per unit cell for an fec lattice of copper (Cu) crystal.…

A:

Q: e or false? Impurities, grain size, grain boundaries and environment are some factors that…

A: A metal is  a freshly polished, lustrous type which also conducts electricity  Basically, properties…

Q: You are given the density of a metal as 4.22 g/cm3. You are advised the crystallographic structure…

A:

Q: 5. Schottky-defect in ceramic material is A. Interstitial impurity. C. Substitutional impurity. B.…

A: 5. Schottky defect in ceramic material is defined as the condition when cations and anions are…

Q: TABLE 2.5 Properties of PET Physical State Amorphous Oriented amorphous Crystalline Oriented…

A: Amorphous PET:This type of PET has a very low degree of crystallinity (0%-5%), which means that the…

Q: D. increasing the overall impurity content 7. In interstitial solid solution, the solute atoms…

A: Interstitial solid solution: The solute atoms are of smaller size than the solvent atom, rendering…

Q: respectively. Q.3 ( Suppose we count 18 grains per square inch in a photomicrograph taken at…

A:

Q: Ba (AW = 137.327 g/cm3)              FCC              Atomic radius = 0.115 nm              Qv =…

A: FCC structure: Atomic radius = 0.115 nm Qv = 1.23 eV/atom T= 1230°C T=1230+273=1503 K

Q: n alloy has an activation energy for crystal growth of 120 kJ/mol. By what factor would the rate of…

A:

Q: You can use 19.6 x 10^-6 as the experimental result Brass is an alloy that can consist of copper…

A: Given:Brass alloy contains copper and zincCoefficient of linear expansion for zinc: 23.0 to 32.5 x…

Q: 3. Diffusion faster for: A. Close-packed structures. B. Lower melting T materials. C. Larger…

A: (3) Diffusion is the movement of molecules from a region of higher concentration to a region of…

Q: In solid solution, the difference in atomic radii between two atom types should be less than ±15%.…

A: This statement is known as Hume -Rothery rule 1 for a substitutional solid solution. yes, the given…

Q: The direction of the shear stress required to move the dislocation is parallel to Burger vector…

A: Ans- Parallel to burger vector Direction of shear stress required to move the dislocation is…

Q: These condition will initiate interstitial solid solution Atomic size factor is beyond 15% Different…

A: For substitutional solid solution, the Home-Rothery rules are as follows: The difference between…

Q: Consider a defect in a crystalline lattice as shown below. Which of the following statements is…

A: When a molecule (B) is slightly larger than the other molecules in a crystalline lattice, it…

Q: Metals that has HCP, FCC, BCC

A: 1) HCP(Hexagonal close-Packed structure)- There are twelve corner and each corner have an atom and…

Q: Briefly explain the ASTM grain-size standard

A: ASTM grain size standard : The grain size measurement play an important role in improving the…

Q: please answer all the parts to questions clearly from a-c

A: Phase diagrams are graphical representations that show the interactions between the various phases…

Q: What is a unit cell? a. unit cell is the part of the Crystal that forms first and it is the primary…

A: Option b is correct.

Q: Screw dislocation is a type of imperfections. OI. Volume O II. Point O III.Line O IV. Surface

A: Given data  To select the correct option.

Q: A metal has a radius of 0.137 nm, and a planar density of 9.4185462889145 nm2 in the (110) plane.…

A: Givenr=0.137 nmplannar density ρ=9.4185462889145 nm-2plane (110)

Q: Which of the following is a characteristic of amorphous solid?  a. unsymmetrical structure b.…

A: There are two type of solids based on its structure- a) Crystalline solid.  b) amorphous solid.…

Q: Column A Column B Increasing thickness of alumina Hardness Column A Column B Increase in atomic…

A: 1) increase in thickness of the lamina DECREASE the hardness. 2)Increase in atomic packing factor…

Q: 6. Drive-in diffusion in ICs, is used to: A. Diffuse the impurity atoms into the silicon from a gas…

A: (6) The primary aim of the drive in Diffusion Process in IC Fabrication is to change the…

Q: question j620 Find the Miller indices of each crystallographic plane

A: Given

Q: Q2) calculate the metal density for a metal which has a crystal structure type of BCC, if the energy…

A: BCC stands for Body centered cubic. This  structure of any body contains one atom at the center and…

Q: Interpret comparison method to plainmetric method for determining the grain size.

A: Grain size:The grain size is the diameter of individual grain of any type of granular material. A…

Q: The maximum solubility of carbon in austenite is approximately -------the maximum solubility in…

A:

Q: Current Attempt in Progress Consider 6.8 kg of austenite containing 0.43 wt% C, cooled to below…

A:

Q: Slow cooling of metal parts creates hard structure in the metal. Select one: True False

A: The higher the cooling rate of the quenching, the smaller the size of the grain size. Hence, it will…

Q: S11 S22 S33 S44 S55 S66 S12 S13 0.007692 (Gpa)^-1 0.00625 (Gpa)^-1 0.005263 (Gpa)^-1 0.011111…

A: Given Data: Find: what is the various E’s, G’s and Poisson’s ratios of this anisotropic single…

Q: Question 5. Some hypothetical alloy is composed of 42.5 wt% of metal A and 57.5 wt% of metal B. If…

A: First we need to calculate the average atomic weight for the alloy. Aave=100CAAA+CBAB Here, average…

Q: 10- Consider a cold worked (deformed) metal specimen that has a dislocation density of 1010 mm/mm2.…

A: the dislocation density in metal specimen (d) = 1010 mm/mm3 volume (v) = 1000 mm3

Q: You are given the density of a metal as 2.07 g/cm³. You are advised the crystallographic structure…

A:

Q: Here's a weird way to describe the structure of copper: Cu falls into the tetragonal crystal system…

A: Given:to find:

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.