Which of the following pairs can be considered to have the same phase? O A. Water and ice in a cup of icy water O B. A piece of iron with BCC structure and a piece of iron with FCC structure O C.Amorphous silicon dioxide (glass) and crystalline silicon dioxide (quartz) O D. Two adjacent grains in a piece of aluminum with BCC structure O E. A piece of copper and a piece of nickel, both with FCC structure

Which of the following pairs can be considered to have the same phase? O A. Water and ice in a cup of icy water O B. A piece of iron with BCC structure and a piece of iron with FCC structure O C.Amorphous silicon dioxide (glass) and crystalline silicon dioxide (quartz) O D. Two adjacent grains in a piece of aluminum with BCC structure O E. A piece of copper and a piece of nickel, both with FCC structure

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter26: Welding Metallurgy

Section: Chapter Questions

Problem 11R: Using Figure 26-18, answer the following questions: a. At approximately what temperature does a 70...

See similar textbooks

Similar questions

Phase Diagram of Water and Carbon a) Identify the four phases b) What are the phase changes highlighted by the forward and reverse arrows called? c) What names are given to the points A and C?
Phase diagram is of a Copper-Iridium alloy Answer choices: a) Monotectic b) Eutectic c) Eutectoid d) Peritectic e) None of the above
They are characteristics of a solid solutionChoose 5 options A) It has limited solubilityB) It is an example of a substitutional alloyC) The difference between the atomic radii of the elements must be less than 15%D) It has unlimited solubilityE) May have limited or unlimited solubilityF) The electronegativity difference between its elements must be 0.3G) It is composed of a solvent and a solute, being the solute the one that is in greater quantityH) The crystalline structure of its elements must be the sameI) No new structures or intermetallic compounds are formedJ) It can be formed with elements of different crystalline structure
In the iron carbon phases diagram, Greek letters and names of structures are used L liquid metal FE 3C iron carbide Delta Delta iron gamma gamma iron called austenite alpha alpha iron called ferrite true or false?
Carbon in Carbon Steel generally occupy a vacancy in crystal lattice of iron. True False
In FCC iron-carbon atoms enter the lattice (a)/(b) sites to form austenite, and in BCC iron, carbon enters (c)/(d) sites to form ferrite. Choose from the options (a) or (b) and (c) or (d) to complete the sentence correctly. A. (a) octahedral and tetrahedral B. (c) tetrahedral C. (b) octahedral D. (d) octahedral and tetrahedral
They are characteristics of a solid solutionChoose an option A) It has limited solubilityB) It is an example of a substitutional alloyC) The difference between the atomic radii of the elements must be less than 15%D) It has unlimited solubilityE) May have limited or unlimited solubilityF) The electronegativity difference between its elements must be 0.3G) It is composed of a solvent and a solute, being the solute the one that is in greater quantityH) The crystalline structure of its elements must be the sameI) No new structures or intermetallic compounds are formedJ) It can be formed with elements of different crystalline structure
Assume that the following three phases are at equilibrium at the eutectic point. Which phase will have the highest solubility of Sn? Group of answer choices Beta Phase Alpha Phase Liquid Phase
1) Given the following information construct a hypothetical phase diagram formetals A and B between the temperatures of 400 and 800 o C given the followinginformation The two end member components are A and B The bottom axis should given in mol% B with 100 mol% B being on the right sideof the diagram. The melting temperature of metal A is 750 o C. The melting temperature of metal B is 700 o C. One eutectic occurs at 600 o C and 75 mol% B. The maximum solubility of A in B is 15 mol% A, and occurs 600 o C.The maximum solubility of B in A is 10 mol% B and occurs 600 o C. 2) Label all regions on the phase diagram 3) Sketch representations of the equilibrium microstructures for the phase diagramabove, for an A-B alloy of the eutectic composition at 750 and 500 o C
Question: Construct the hypothetical phase diagram for metals A and B between room temperature (20°C) and 700°C given the following information: The melting temperature of metal A is 480°C. The maximum solubility of B in A is 4 wt% B, which occurs at 420°C. The solubility of B in A at room temperature is 0 wt% B. One eutectic occurs at 420°C and 18 wt% B–82 wt% A. A second eutectic occurs at 475°C and 42 wt% B–58 wt% A. The intermetallic compound AB exists at a composition of 30 wt% B–70 wt% A, and melts congruently at 525°C. The melting temperature of metal B is 600°C. The maximum solubility of A in B is 13 wt% A, which occurs at 475°C. ● The solubility of A in B at room temperature is 3 wt% A.
23/. Differentiate Substitutional and Interstitial solid solutions with a neat diagram.
The alloy containing 70% Ni and 30% Cu by weight is heated slowly from 1300 C. a) At what temperature does the liquid phase begin to form? b) What is the composition of the liquid phase at this point? c) At what temperature does the alloy fully melt? d) What is the composition of the last solid phase in the structure before complete melting?