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The necking phenomenon of material can be observed in tensile test as well as in compression test.

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in Casting-Forming-Welding II by (119k points)
The necking phenomenon of material can be observed in tensile test as well as in compression test.

(a) True

(b) False

I had been asked this question in homework.

Question is from Relationship between Tensile and Shear Yield Stress topic in section Types of Die & Metal Forming Processes of Casting-Forming-Welding II

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The correct option is (b) False

The best I can explain: When an axial load is applied to the material, the material first elongates, then necking occurs and the fracture is produced. The necking phenomenon is only occurring in the tensile test due to the elongation of material, a neck like structure is formed. Its behaviour generally depends on the material used for the test. Necking does not take place in brittle materials.

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