Marine Machinery and Systems Design 1 min read
SLIDING CONTACT BEARINGS
Bearings are machine elements which are used to support a rotating member viz., a shaft. They transmit the load from…
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Marine Engineering Materials 7 min read
Fracture Toughness
Fracture toughness is an indication of the amount of stress required to propagate a preexisting flaw. It is a very…
Marine Engineering Materials 13 min read
Fatigue Test and Creep Test
Fatigue is the mechanism whereby cracks grow in a component/structure. Growth only occurs under fluctuating stress. Final failure generally occurs…
Marine Engineering Materials 2 min read
Charpy and Izod Impact Tests
An impact blow is delivered to a test specimen by means of a pendulum-type hammer. The impact value of the…
Marine Engineering Materials 4 min read
Fracture of Material – Fracture Mechanics
A fracture is the separation of an object or material into two or more pieces under the action of stress. Engineers need…
Marine Engineering Materials 4 min read
WHAT IS PRECIPITATION HARDENING?
Precipitation hardening is a heat treatment process applied to various alloys to significantly increase their yield strength. Rather confusingly, the…
Marine Engineering Materials 2 min read
Induction Hardening / Flame Hardening
Induction Hardening Induction hardening is a process used for the surface hardening of steel and other alloy components. The parts…
Marine Engineering Materials 3 min read
Nitriding
Plasma nitriding (Ion nitriding) is a plasma supported thermochemical case hardening process used to increase wear resistance, surface hardness and…
Marine Engineering Materials 3 min read
WHAT IS CARBURISING
Carburising is a thermochemical process in which carbon is diffused into the surface of low carbon steels to increase the…