Describe step-by-step brittle fracture of some metals and ceramics with poor ductility and toughness. In discussion...

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Mechanical Engineering

Describe step-by-step brittle fracture of some metals and ceramicswith poor ductility and toughness. In discussion highlight and userelevant terms such as transgranular, Chevron pattern andothers.

Answer should jot exceds more than half a page. Thank you

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A brittle fracture is the fracture of a metallic object or other material without appreciable prior plastic deformation It is a break in a brittle piece of metal that failed because stress exceeded cohesion Brittle fractures display either transgranular or intergranular fracture This depends upon whether the grain boundaries are stronger or weaker than the grains Transgranular fracture The fracture travels through the grain of the material Cracks choose the path of least resistance Intergranular fracture The crack travels along the grain boundaries and not through the actual grains This usually occurs when the phase in the grain boundary is weak and brittle BRITTLE FRACTURE OF DUCTILE STEELS Brittle fracture of normally ductile steels has occurred primarily in large continuous boxlike structures such as box beams pressure vessels tanks See Answer

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