Tension test of brittle material may cause unexpected failure of the material.(a) True(b) FalseThis question was posed to me during an internship interview.I want to ask this question from Testing of Mechanical Properties in portion Inspection Testing in Foundries of Casting-Forming-Welding I

Tension test of brittle material may cause unexpected failure of the m

1.	Tension test of brittle material may cause unexpected failure of the material.(a) True(b) FalseThis question was posed to me during an internship interview.I want to ask this question from Testing of Mechanical Properties in portion Inspection Testing in Foundries of Casting-Forming-Welding I
Answer» CORRECT answer is (a) True Best explanation: A direct tensile load is difficult to maintain because of misalignment of SPECIMEN grips and some bending usually occurs. It has no problem while testing DUCTILE materials because local yielding can REDISTRIBUTE the STRESS, so uniformity remains; however, in brittle materials, local yielding is not possible and cause the failure of specimen in an unexpected way.

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Tension test of brittle material may cause unexpected failure of the material.(a) True(b) FalseThis question was posed to me during an internship interview.I want to ask this question from Testing of Mechanical Properties in portion Inspection Testing in Foundries of Casting-Forming-Welding I

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