alumina balls

[ə′lüm·ə·nə ‚bȯlz]

(materials)

Alumina in the form of balls ¼ to ¾ inch (6.4 to 19 millimeters) in diameter; usually composed of 99% alumina and having high resistance to chemicals and heat; used in reactor and catalytic beds.

References in periodicals archive

Two different counterparts were used: 3 mm sized Cr-steel balls with 1.6% Cr (100Cr6) with hardness of 700 HV (6.86 GPa) and 3 mm sized alumina balls with hardness of 1700 HV (16.7 GPa).

Comparison of the wear and frictional properties of Cu matrix composites prepared by pulsed electric current sintering/Plasma-aktiveeritud paagutamisega valmistatud vaskkomposiitide kulumis- ja hoordekaitumise vordlus

The most negative effect of basalt on the wear resistance of coatings takes place under the lowest load using alumina balls. Soft steel balls were not able to cause significant wear and even some transfer of steel to the coatings and its intensive oxidation was found (Fig.

Effect of basalt addition on tribological performance of FeCrSiB HVOF coatings/Basaldi lisandi moju kiirleekpihustusmeetodiga saadud FeCrSiB-pinde tribokarakteristikule

The fatigue behaviour of the identical alumina balls was studied under dynamic fatigue loading by using an Instron made 'Hip Joint Simulator' (model no.

Characterization of mechanical properties of alumina based hip joint prostheses

* The furnace filter bed, consisting of various mesh sizes of tabular alumina balls and chips, allows proper metal filtration and optional degassing.

Melting and pouring

Active aggregates, on the other hand, refer to grains of fluxes or alumina balls coated in fluxes.

Cleaning up your metal

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