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Metallurgical Engineering Metallurgical Testing And Inspection Difficulty: Medium

If the surface crack causing fracture in a brittle material is made twice as deep, the fracture strength will

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Which one of the following carbon equivalent in steel is considered good for weldability? Eutectic AI-Sialloys can be modified by small additions of Mould coating material which helps in grain refinement of metal casting is Tata salt was tested (FCC) with X-ray (0.071nm) which is diffracted by (110) plane with lattice constant of 0.28nm. Find the diffraction angle for 2 nd order diffraction. A liquid phase sintered SiC-Ni composite has a solid-solid grain boundary energy (γ SiC-SiC ) of 0.80 J.M -2 and a solid-liquid (γ SiC-SiC ) interfacial energy of 0.45 J.m -2 . For a SiC grain size of 20 μm, the average interparticle (SiC-SiC) neck size (in μm) is: