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Terminology

Terminology

A
Word

Adhesion
Explanation

An ability defined by the presence of the adhesion power which ensure the liquids to attach on the metal surface.
Word

Ageing
Ageing

Thermal treatment which ensures formation of the balance phase after rapid cooling in the mechanism of the precipitation hardening.
Word

Allotropy
Explanation

Change in the crystal structure of the material depending on the temperature.
Word

Alloy
Explanation

A homogenous mixture formed by combination of minimum two metals at certain rate.
Word

Alumina
Explanation

Aluminium oxide ceramic produced from the bauxite by Bayer process.
Word

Aluminum
Explanation

A metal which is purely produced by electrolysis of the alumina obtained from the bauxite.
B
Word

Baking
Explanation

Causing gelation in the paint by keeping in the furnace setting the paint which attaches to the material surface in the electrostatic powder painting process.
Word

Bauxite
Explanation

An ore used in the production of aluminium having oxide minerals in its structure.
Word

Billet
Explanation

Raw material with circular cross-section used in the extrusion of the aluminium.
Word

Block
Explanation

RA billet cut to shorter lengths for use in the press after it is produced in a certain length after the casting
Word

Bridge mold
Explanation

A type of mold most widely used for production of hollow profile.
Word

Brinell Hardness
Explanation

Hardness value determined by the force applied on the sample by help of hardened steel ball.
Word

Brittleness
Explanation

Fracture or breakage without showing plastic deformation.
C
Word

Casting
Explanation

Production method where the metal is increased above the melting temperature to cast in a mold.
Word

Caustic
Explanation

Sodium hydroxide chemical used in the matt baths of the eloxal process.
Word

Cold stretch
Explanation

Stretching of the profile produced to make it firm at both ends after rapid cooling for linearity.
Word

Coloring
Explanation

Color transformation of the profiles in the eloxal coating after keeping in a suitable chemical for a certain time.
Word

Conductivity
Explanation

Transfer of the energy forms such as electric, heat and sound by any material.
Word

Conveyor
Explanation

A mechanism by which the produced profiles are carried at the exit of the press.
Word

Corrosion
Explanation

Loss of physical and chemical characteristics of the materials in the environmental and operating conditions, thus turning back to the form they have naturally.
Word

Creep
Explanation

Plastic deformation of the material under mechanical loads for an extended time and generally at high temperature.
Ç
Word

Çekme Mukavemeti
Explanation

Malzemenin plastik deformasyona uğradıktan sonra boyun vermeden taşıyabileceği maksimum gerilmedir.
Word

Çökelti
Explanation

Bir faz içerisindeki bileşenin faz dönüşümü yada aşırı doygunluk gibi bir sebepten dolayı yapı içerisinde çökelmesi sonucu oluşturduğu katı ergiyik çökeltidir.
Word

Çökelti Sertleşmesi
Explanation

Isıl işlem görebilen alüminyum alaşımlarına mukavemet kazandırmak için uygulanan sertleştirme mekanizmasıdır.
Word

Çözeltiye Alma
Explanation

Çökelti sertleşmesi mekanizmasında hammaddeyi belirli bir sıcaklığa çıkararak gerekli yapıya ulaşmak için uygulanan ısıl işlemdir.
D
Word

Dead metal zone
Explanation

A zone formed as intermediate work at the end of the flow which ensures metal flow in the mold which occurs in connection with the production between the sleeve and billet.
Word

Density
Explanation

Mass in the unit volume.
Word

Dimensional Tolerance
Explanation

Range of maximum dimensional deviation shown by the end product according to the quality norms.
Word

Distortion
Explanation

Distortion, deformation of the material as a result of high temperature differences in the structure caused by rapid cooling.
Word

Ductility
Explanation

Characteristic of the materials to easily change shape by plastic deformation under low tensions.
Word

Dummy Block
Explanation

A cylindrical metal part connected to the stamp feeding the billet into the sleeve which prevents reverse flow of the billet in the opposite direction of the mold by the increased extrusion pressure.
E
Word

Electrolysis
Explanation

Process for decomposition of the material by help of the electrical current.
Word

Elastic Deformation
Explanation

A change in shape of a material at low stress that is recoverable after the stress is removed.
Word

Elasticity Module
Explanation

Ratio of the material to the unit deformation under a tension leading to plastic deformation.
Word

Electrical Conductivity
Explanation

Characteristic of the material to carry electric by means of free electrons it has.
Word

Electrical Resistance
Explanation

Resistance against the force of the electric current.
Word

Electrochemical
Explanation

Generation of electric current by a system containing chemical reaction.
Word

Electrolyte
Explanation

Materials used to create electric current in the electrolysis cell. Eloksal-> Eloksal, the main method of surface technology to produce a protective oxide layer on aluminum.
Word

Electrostatic powder painting
Explanation

An application where polymer-based powder paint is sprayed on the surface to be coated and get attached by static electric and kiln-heated subsequently.
Word

Eloxal
Explanation

A coating method which gives corrosion and wear strength to the aluminium and also imparts decorative appearance in the architectural applications.
Word

Etching
Explanation

Ensuring wear of the material surface electrochemically by way of its giving reaction..
Word

Extrusion
Explanation

A plastic forming method where compressive force is applied to the aluminium billet in the sleeve to ensure the attached mold to have a sectional form.
Word

Extrusion press
Explanation

Hydraulic machines where the process is realized with the required pressure value on the unit area.
Word

Extrusion Pressure
Explanation

Pressure required to ensure flow of the raw material from the mold for extrusion.
Word

Extrusion Rate
Explanation

Flow rate of the raw material from the mold depending on the speed of the stamp in the extrusion process.
Word

Extrusion ratio
Explanation

Ratio of surface area of the raw material used in the extrusion to the section area of the product exiting from the mold.
F
Word

Fatigue
Explanation

Damage shown by the material under the load values, variable and versatile, but require plastic deformation.
Word

Formability
Explanation

Ability of the materials to change shape easily by showing ductility character.
G
Word

Galvanic corrosion
Explanation

Corrosion of the metal acting as anode in the contact of the metals which have potential difference due the cathode and anode cells.
Word

Gloss
Explanation

Unit of the desired brightness degree in the electrostatic powder painting process.
Word

Grain size
Explanation

A micro structural term which significantly affects the mechanical characteristics of the material which develop depending on the casting conditions.
Word

Graphite
Explanation

An allotrope of the carbon having lubrication feature.
Word

Grinding
Explanation

A pretreatment in the eloxal coating process where the surface is ground by wire brush to get an alternative decorative appearance.
H
Word

Hardness
Explanation

Resistance of the materials against breaking and scratching which develop in parallel with the resistance characteristic of the materials.
Word

Homogenization
Explanation

A thermal treatment which balances internal structure of the material after the casting operation to make the structure ready for the subsequent processes.
Word

Hydraulic press
Explanation

A machine using oil as fluid carrier and operating by the pressure generated by this fluid. A machine using oil as fluid carrier and operating by the pressure generated by this fluid.
I
Word

Inclusion
Explanation

Impurities in the structure after the metal casting that originate from the casting conditions and liquid metal.
Word

Ingot
Explanation

Metal casting product with square, rectangular or circular cross-section which is used as raw material.
Word

Intermediate Work
Explanation

Quantity of aluminium between the billet spent by the extrusion process and net production.
İ
Word

İletkenlik
Explanation

Elektrik, ısı ve ses gibi enerji formlarının herhangi bir madde ile taşınabilme durumudur.
Word

İngot
Explanation

Hammadde olarak kullanılacak kare, dikdörtgen yada dairesel kesitli metal döküm ürünüdür.
Word

İnklüzyon
Explanation

Metal dökümü sonrası yapı içerisinde döküm şartları ve sıvı metalden kaynaklanabilen safsızlıklardır.
Word

İşlenebilirlik
Explanation

Malzemenin yarı mamül olarak üretilmesinden sonra talaşlı imalat gibi bir mekanik yöntemle istenilen şekil ve boyuta dönüştürülebilme kabiliyetidir.
L
Word

Lot number
Explanation

Lot production number assigned at the fabrication stage of the aluminium raw material used in the production.
M
Word

Machineability
Explanation

Ability of a material which allows transformation of it to the desired shape and dimension by a mechanical method such as machining after it is produced as semi-finished product.
Word

Machining
Explanation

A production method by machining the metal surface mechanically by means of operations such as turning, milling or drilling.
Word

Mechanical characteristic
Explanation

Characteristics shown by the material under the effect of the external forces.
Word

Mold
Explanation

Parts used in the production process to obtain the end product having the same shape or cross-section with it.
N
Word

Natural Ageing
Explanation

Ensuring the material to harden without thermal treatment at the room temperature at the last stage of the precipitation hardening mechanism.
P
Word

Permeability
Explanation

Electric conductivity of the coating layer for determination of the quality of the coating in the eloxal coating process.
Word

Physical characteristic
Explanation

Characteristics containing the entire concepts of the material such as temperature, pressure, mass and speed.
Word

Pigment
Explanation

Colorant chemical used in the paint production.
Word

Plastic deformation
Explanation

Permanent deformation of the material shown first as homogenously and then by bending at a tension when plastic deformation is exceeded.
Word

Polishing
Explanation

Polishing of the profile surface, if desired, prior to the eloxal coating.
Word

Polymer
Explanation

A structure which occurs as a result of covalent bonding of the molecules consisted of elements called monomers such as C, H, O, N.
Word

Porosity
Explanation

Porosity in the material structure.
Word

Precipitate
Explanation

Solid melt precipitate formed by a component in a phase which precipitates in a structure due to a reason such as phase transformation or supersaturation.
Word

Precipitation Hardening
Explanation

Hardening mechanism applied to impart strength to the aluminium alloys that can be thermally treated.
Word

Preheating
Explanation

Gradual heating of the homogenized billet before feeding it to the mold to perform thermal stage of the solution treatment.
Word

Pretreatment
Explanation

The entire operations performed for surface preparation prior to the eloxal and powder paint processes.
Word

Profile
Explanation

The entire aluminium extrusion products.
Word

Puller
Explanation

Press mechanism carrying the profile after exiting from the press on a conveyor system.
Word

Pure aluminium
Explanation

Non-alloyed aluminium produced from alumina in the electrolysis cell.
R
Word

Rapid cooling
Explanation

Cooling the structure in a medium of water, air or salt for realization of the precipitation hardening.
Word

Recycling
Explanation

Recovery and re-use of the scraps or waste of the raw materials used in the production.
Word

Residual stress
Explanation

Stress remaining inside the material after release of the existing loads on the material after the production stage.
Word

Rockwell hardness
Explanation

A hardness unit obtained by main loading after preloading on the material surface by steel ball or diamond conical point.
S
Word

Sample
Explanation

An example exactly representing all characteristics of the product.
Word

Semi-finished product
Explanation

Materials which cannot be used solely or without treatment and are produced to obtain a finished product.
Word

Sleeve
Explanation

A part into which the stamp feeds the billet in the extrusion press and which is subject to high tensions under the compressive conditions.
Word

Solid mold
Explanation

A type of solid that is used to produce profiles which are solid or do not contain any gap.
Word

Solution Treatment
Explanation

Thermal treatment which is applied to attain the required structure by increasing the mechanism to a certain temperature in the precipitation hardening mechanism.
Word

Specification
Explanation

Requirements in the specifications, where the technical characteristics which a material or product must have are specified.
T
Word

Technical drawing
Explanation

A scaled drawing where all values of a part or profile to be produced in terms of shape and dimension.
Word

Tenefer (Salt bath)
Explanation

A treatment performed at high temperature in presence of nitrogen through which an extrusion mold with surface worn and devoid of its hardness due to operation gains these characteristics again.
Word

Tensile
Explanation

The force that acts on the unit area of the material forcing it to become deformed.
Word

Tensile strength
Explanation

Maximum tensile the material may withstand without bending after it is subject to plastic deformation.
Word

Thermal conductivity
Explanation

Ability of the metallic materials to conduct heat through free electrons.
Word

Thermal treatment
Explanation

Entire heating and cooling treatments which basically aim at changing the microstructure to develop and control the mechanical characteristics of the material.
V
Word

Viscosity
Explanation

Resistance of a fluid material against flowing.
Y
Word

Yield strength
Explanation

A tension value which, when exceeded, ensures permanent deformation of the material.