Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 26, Problem 22R
What other properties can a metal's hardness reveal?
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Chapter 26 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 26 - What gives metals their desirable properties?Ch. 26 - What is heat?Ch. 26 - What are the basic units of measure for heat?Ch. 26 - What is sensible heat?Ch. 26 - Prob. 5RCh. 26 - What does the color of light given off from a hot...Ch. 26 - Prob. 7RCh. 26 - In steel-making, what is ore combined with in the...Ch. 26 - Prob. 9RCh. 26 - What is an alloy?
Ch. 26 - Using Figure 26-18, answer the following...Ch. 26 - What is a eutectic composition?Ch. 26 - Using Table 26-3, what are the lowest and highest...Ch. 26 - Approximately how many degrees wide is the...Ch. 26 - Referring to Figure 26-20, what color would...Ch. 26 - Referring to Figure 26-20, what is the approximate...Ch. 26 - Prob. 17RCh. 26 - Referring to Figure 26-20, above what temperature...Ch. 26 - Prob. 19RCh. 26 - What is known as the critical temperature of...Ch. 26 - Can a metal have all the mechanical properties at...Ch. 26 - What other properties can a metal's hardness...Ch. 26 - Which property, brittleness or ductility, will let...Ch. 26 - What is toughness?Ch. 26 - What are the common types of strength...Ch. 26 - Prob. 26RCh. 26 - What are the three steps in precipitation...Ch. 26 - How do ferrite and cementite work together to form...Ch. 26 - Why is brine quenching faster than water...Ch. 26 - What can be done to speed up the quenching rate in...Ch. 26 - Why is the formation of martensite a problem when...Ch. 26 - How can the effects of cold working be removed?Ch. 26 - Prob. 33RCh. 26 - Referring to Figure 26-20, what would the preheat...Ch. 26 - Why must the stress-relieving temperature be kept...Ch. 26 - What properties can annealing produce in metals?Ch. 26 - How long does it take the weld metal to go through...Ch. 26 - What are some sources of hydrogen that can...Ch. 26 - How can nitrogen get into an SMA weld?Ch. 26 - What are some of the problems that oxygen can...Ch. 26 - When do cold cracks develop?Ch. 26 - What is carbide precipitation?
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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
- What is the tensile strength of a metal if its endurance limit is 84675 psi?arrow_forward1. Calculate the BHN & select the best steel? 2. What is the process followed in selecting the metal if the pricing is specified? 3. Can you suggest another metal? Why 4. Does a tensile test influence your choice of metal? Explain 5. Is it possible to choose the metal according to the hardness tests & tensile tests? Explainarrow_forwardHow can the ductility of material be specified?arrow_forward
- After hardening, steel is very hard and brittle. What operation is usually performed to reduce hardness and increase toughness so the steel is in a more usable condition?arrow_forwardWhich property, brittleness or ductility, will let a metal deform without breaking? Why?arrow_forwardMetal working Fe-C: What are possible sources of error in trying to obtain a specific hardness or strength?arrow_forward
- AWhat is the difference between tensile strength and yield strength in materials?arrow_forward6. True or false? Hardenability is a qualitative measure of the rate at which hardness drops off with distance into the interior of a specimen as a result of diminished martensite content False Truearrow_forwardTag question Consider the graph below for 3 metals which have been cold-worked. From the graphs, which of the following statements are true? Stress Select one or more: a. C. Strain & A e. B C b. B and C have similar hardness; C has greater brittleness B is softer than C and has nearly similar ductility A is harder than C and is more ductile d. A and B have similar hardness; A has greater brittleness A is harder than C and is less ductile f. B is harder than C but has nearly similar ductility 5 up i A Carrow_forward
- What is period of deformation?arrow_forwardConsider the graph below for 3 metals which have been cold-worked. From the graphs, which of the following statements are true? Stress & Strain & O c. A B Select one or more: O a. B and C have similar hardness; C has greater brittleness O f. b. A and B have similar hardness; A has greater brittleness C A is harder than C and is less ductile Od. B is harder than C but has nearly similar ductility O e. B is softer than C and has nearly similar ductility A is harder than C and is more ductilearrow_forwardA) What are the two conditions for causing a part to break by crack propagation?Are the following elements favorable or unfavorable to crack propagation in a metal alloy? Justify your answer.1. Presence of heterogeneities;2.Increase in the volume of the piece;3. Good finish4. Presence of porosity;5. Increased ductility;6. Increased work hardening;7. Decrease in grain size.arrow_forward
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