Face Milling - Milling a large flat surface with a milling cutter that operates in a plane that is at right angles to its axis.

Failure - The event, or inoperable state, in which any item or part of an item does not, or would not, perform as previously
specified.

Failure Mode and Effects Analysis - A procedure by which each potential failure mode of a system is analyzed to determine
the effects on the system and classify each potential failure mode according to its severity.

Fans - There are several simple relationships between fan capacity, pressure, speed, and power, which are referred to as
the fan laws.

Fast Fourier Transform - An algorithm, or digital calculation routine, that efficiently calculates the discrete Fourier transform
from the sampled time waveform.

Fatigue - An important mode of failure of engineering components subjected to dynamic stresses.

Fatigue Limit - In fatigue testing, the number of cycles which may be withstood without failure at a particular level of stress.

Fatigue Resistance - The ability of a material to withstand repeated and varying loads.

Faying Surface - That surface of a member that is in contact with another member to which it is joined.

FEED - Front End Engineering and Design

Feedstock - Stock from which material is taken to be fed into a processing unit.

Feeler Gauges - A set of steel fingers of different thicknesses that can be used to set the gap between two objects.

Feet per Second Squared - Old imperial unit of acceleration.

FEM - Finite element method is a numerical method which is used to calculate displacements or stresses in structures or
components subjected to external and internal loads.

Ferrite - Body-centered cubic iron; also iron and steel alloys that have the BCC crystal structure

Ferrous Alloy - A metal alloy for which iron is the prime constituent

FFT - An abbreviation of Fast Fourier Transform, an algorithm, or digital calculation routine, that efficiently calculates the
discrete Fourier transform from the sampled time waveform.

File Hardness - Hardness as determined by the use of a file.

Filler - An inert foreign substance added to a matrix to improve or modify its properties.

Fillet - A curved surface connecting two surfaces that form an angle.

Film Brazing - A process in which bonding is produced by heating with a molten nonferrous filler metal poured over the joint
until the brazing temperature is attained.

Finishing Hammer - A pounding device used for detail work in shaping a panel after it has been brought approximately into
the right shape.

Finite Element Method - A numerical method which is used to calculate displacements or stresses in structures or
components subjected to external and internal loads.

Firing - A high-temperature heat treatment that increases the density and strength of a ceramic piece.

Firing Order - The order in which combustion is initiated in an internal combustion engine.

Firmware - The combination of hardware device and computer instructions and/or computer data that resides as read-only
software on the hardware device.

First Class Lever - The fulcrum is situated between the load and the applied force.

Fit - The desired positive or negative clearance between the surfaces of two machined parts.

Fixed Connection - In two dimensions, a fixed connection between two members restrains all three degrees of freedom of
the connected member with respect to one another.

Flame Annealing - Annealing in which the heat is applied directly by a flame.

Flame Engine - The working principle is similar to the hot air engine, except that this engine draws hot air into the cylinder.

Flame Hardening - Quench hardening in which the heat is applied directly by a flame.

Flange - A relatively thin rim around a part.

Flare Nut Spanner - A spanner which looks almost like an open ended spanner except the end curls around the nut further.

Flash Point - The lowest temperature at which sufficient vapor is produced to cause combustion if an ignition source is
present.

Flashing - A thin edge of material formed at the parting line of a casting or forging where it is forced out between the edges
of the form or die.

Flexural Strength - A property of a solid that indicates its ability to withstand bending.

Flexure Mode - Flexure modes are associated with thin slender beams.

Flow Rate - Volume per unit of time.

Fluid Film Bearing - A bearing which supports the shaft on a thin film of oil.

Fluidization - The suspension of particles by sufficient upward velocity of the fluid. During fluidization the gravity force is
overcome by a combination of buoyancy and fluid friction.

Flute - The groove in a cutting tool which provides a cutting edge and a space for the chips to escape and permits the cutting
fluids to reach the cutting edges.

Fly Cutter - A single-point cutter mounted on a bar in a fly cutter holder or a fly cutter arbour used for special applications for
which a milling cutter is not available.

Flywheel - The wheel on the end of the crankshaft that gives the crankshaft momentum to carry the pistons through the
compression stroke.

FMEA - A procedure by which each potential failure mode of a system is analyzed to determine the effects on the system and
classify each potential failure mode according to its severity.

Foot Brake - Vehicle brake applied with the foot.

Foot Pound - Imperial unit of mechanical energy.

Force Fit - A fitting which one part is forced of pressed into another to form a single unit.

Forge Welding - A group of welding processes in which fusion is produced by heating in a forge or furnace and applying
pressure or blows.

Forging - Mechanical forming of a metal or alloy by heating and hammering.

Formed Cutters - Milling cutters which will produce shaped surfaces with a single cut.

Foundation Stiffness - A term used to refer to the stiffness of a machine support or the region of contact between a structure
and its surroundings.

Four-Stroke Engine - An engine operating on a cycle which is completed in four strokes, or two revolutions of the crankshaft.

Fractionating Column - Process unit that separates various fractions of petroleum by simple distillation with the column
tapped at various levels to separate and remove fractions according to their boiling ranges.

Fracture Testing - Breaking a specimen and examining the fractured surface with the unaided eye or with a low-power
microscope to determine such things as composition, grain size, case depth, soundness, or presence of defects.

Fracture Toughness - Critical value of the stress intensity factor for which crack extensions occurs.

Free Bend Test - A method of testing weld specimens without the use of a guide.

Free Cut - An additional cut with a machine tool with no advancement of depth.

Free Ferrite - Ferrite that is structurally separate and distinct.

Free Fit - A class of fit intended for use where accuracy is not essential or where large temperature variations are likely to be
encountered, or both conditions.

Free-Layer Damper - A treatment to control the vibration of a structural by bonding a layer of damping material to the
structure′s surface.

Friction - The resistance to motion which is called into play when it is attempted to slide one surface over another, with which
it is in contact.

Friction Clutch - A shaft coupling used where it is necessary to provide a connection that can be readily engaged or
disengaged while one of the shafts is in motion.

Froude Number - A dimensionless number used in the study of fluid flow problems with models.

ft3/s - Cubic foot per second.

ft/ s^2 - Abbreviation of Feet per Second Squared, an old imperial unit of acceleration.

Fuel Cell - A device that converts the chemical energy obtained from a redox reaction directly into electrical energy.

Fuel Consumption - Definitions of fuel consumption calculations.

Fulcrum - The support on which a lever turns.

Fullering - The process of hammering grooves in hot iron to spread it out thinner.

Funicular - A funicular shape is one similar to that taken by a suspended chain or string subjected to a particular loading.

Furnace Brazing - A process in which bonding is produced by the furnace heat and a nonferrous filler metal having a melting
point above 427°C.

Fusion - The combining of light nuclei to form a heavier nucleus. Also, the complete mixing of two materials along an edge.
Engineering Glossary, Engineering Dictionary F
A  B  C  D  E  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z
__________________________________________________________________________________
Copyright© 2010 International Technical Services, LLC. All Rights Reserved.
Intech.net
International Technical Services
Engineering Recruiters      Engineering Employment Agency      Engineering Headhunters     Contract Staffing Agency     Engineering Jobs