1. Write a note on toughness mechanism in brief. 2. What is the standard size of square and round test specimen? 3. Which property of material can be determined by impact test? 4. Why friction loss test is conducted in impact test experiment? 5. What is the difference between charpy impact test and izod impact test? Izod Impac

1. Write a note on toughness mechanism in brief. 2. What is the standard size of square and round test specimen? 3. Which property of material can be determined by impact test? 4. Why friction loss test is conducted in impact test experiment? 5. What is the difference between charpy impact test and izod impact test? Izod Impac

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter25: Testing And Inspection

Section: Chapter Questions

Problem 27R: How are the specimens bent for a guided-. root-, face-. and side-bend test?

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What is the standard size of square and round test specimen in izod impact test?
Write conclusion about Tensile test?
Write a note on toughness mechanism in brief. What is the standard size of square and round test specimen? Which property of material can be determined by impact test? Why friction loss test is conducted in impact test experiment? What is the difference between charpy impact test and izod impact test?
I. List the importance of the impact test and limitations. II. Which material (i.e., C1045-CF, Cast Iron, AL7075-T6) was more ductile? Explain the effect of carbon content and finishing process on ductility. II. How did temperature affect the toughness of the specimens? IV. Based on these results, which material would be better to use for constructing an earthquake resistant structure? Explain. V. The following picture shows Charpy fracture surfaces of a material with different initial temperatures, after testing. Which of these figures, i.e., (a) to (e), is related to the lowest temperature? Explain. (d)
what are the difference between impact testing and tensile testing
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In what situations would you use a hardess test instead of a Tensile test?
Hardness tests are performed more frequently than any other mechanical test for several reasons: (Choose all that apply): Other mechanical properties can be estimated from hardness data such as tensile strength The test is simple and inexpensive The test is nondestructive, which means that the specimen is neither fractured or excessively deformed after the test Testing apparatus is relatively expensive
1- The diminutions of the mild steel impact test sample as shown in fig below and the notched depth is 2mm determine the impact toughness if the impact energy absorption at test is 80 joul . Charpy 10 mm 55 mm 10 mm 2- Explain with the drawing the procedure of the charpy test. 3- Explain with the drawing the procedure of the Izod test. 4- Explain with the drawing the difference between Izod and charpy tes.
Do the following features of the impact tests and specimens indicate brittle or ductile failure? Options: Ductile, Brittle or neither a. rough surface b. little plastic deformation c. large degree of plastic deformation d. low impact energy e. flat surface
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a What is the difference between vicker hardness test and brinell hardness test based on load ,indenter , accuracy ? b . what is the meaning of toughness in material science ? c . the toughness of material is affected by what ? d . what is the difference between tensile test and impact test?