Bragg\'s law states the relationship between: a. Applied tensile stress and the

Question

Bragg's law states the relationship between: a. Applied tensile stress and the direction of slip system b. Angular positions of the diffracted beams and the interplanar spacing of the crystal planes c. Yield stress and the average grain diameter d. Number of vacancies at equilibrium and the temperature of the sample. The cup and cone fracture is a common fracture phenomenon in a. aluminum b. gold c. concrete d. poly-ethylene The theoretical strength of a material having a stiffness value of 200 GPa with no internal flaws would be approximately [1GPa = 10^9 Pa, 1MPa = 10^6 Pa] a. 40 GPa b. 2000 MPa c. 25 GPa d. 20 MPa BCC, SCC, FCC - [Atomic Packing Factor] Shearing at surface, void nucleation, necking, fracture, void growth and linkage - [Stages of ductile fracture]

Explanation / Answer

Ans

iii) b

iv) b

v) c

Problem 3

i) SCC<BCC<FCC

ii) Necking - Void Nucleation- Void growth and linkage-fracture-shearing at surfave

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