Mechanical Engineering

Machines, materials, and the mechanics of solid bodies.

Parent category: Engineering

Articles (3)

• Tribology: Friction, Lubrication, and Wear
  The science of rubbing surfaces: why friction follows simple laws, how lubricant films carry loads, and why wear is the dominant failure mode of machinery.
• The Four-Stroke Engine
  The internal combustion engine cycle of intake, compression, power, and exhaust strokes, governed by the Otto cycle.
• Stress and Strain
  The two fundamental measures of how materials respond to loads: force per unit area and fractional deformation.

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