Jyaluzir (ATZ) Alumina Toughened Zirconia beads are manufactured from a composite ceramic material comprising of microfine alumina particles mixed in matrix of nano sized zirconium particles with 20-25% Al2O3 in the composition and 60-65% ZrO2, ATZ composite features high fracture toughness, bulk density, hardness, thermal shock and wear resistance.

Versatile Industrial Applications

Shot Peening

Steel Industry

Metal Polishing

High Purity Powders

Applications:-

Jyaluzir (ATZ) Alumina Toughened Zirconia composite micro beads are widely used in the following applications :

  • In Shot Peening
  • In grinding of high purity materials.
  • In grinding of abrasive concentrates and high viscosity slurries.
  • In de-burring and polishing of sheet metal parts, cast moulded ferrous / non ferrous components, precious metal ornaments.
  • Due to it’s high thermal shock & wear resistance properties, Jyaluzir beads are impregnated inside metal parts to increase the toughness.
PHYSICAL PROPERTIES
Colour White
Surface Finish Satin Smooth
Density 5.15 +/- 0.05 g/cm3
Bulk Density 3.30 +/- 0.05 kg/ltr.
Porosity Nil
Water absorption Nil
Hardness on Moh's scale 9+
Hardness on Vicker's scale (Hv5) 1350-1400
Crushing Strngth (dia. 1.5 mm bead) 165 kgf
Bead Sphericity 90% ≥ 0.95
% CUMULATIVE WEIGHT LOSS/HR(wear test conducted with water)
After 24 Hrs. 0.0121
After 96 Hrs. 0.0097
CHEMICAL PROPERTIES
ZrO2 64-70%
Al2O3 23-27%
SiO2 0.9-2.4%
Y2O3 3.7-5.0%
HfO2 1.5-2.5%
CaO 0.05-0.2%
Others 3-6%

Beads are available in following Fraction Sizes

Broad Fraction Size
Ǿ 0.4 - 0.7 mm Ǿ 0.7 - 1.2 mm
Ǿ 1.2 – 1.7 mm Ǿ 1.7 – 2.4 mm
Ǿ 2.4 – 2.8 mm Ǿ 2.8 – 3.3 mm

Chemical Resistance data of Jyaluzir Beads
at 25℃ test time 24 Hrs.

Chemical Medium Concentration % Weight Loss per Hrs
Acetic Acid (CH3COOH) 50% 0.00
Chromic Acid (H2CrO4) 25% 0.00
Formic Acid CH2O2 25% 0.00
Hydrochloric Acid (HCL) 18% 0.00
Hydrofluoric Acid (HF) 24% 0.03
Nitric Acid (HNO3) 35% 0.00
Perchloric Acid (HCLO4) 25% 0.00
Phosphoric Acid (H3PO4) 25% 0.00
Sulphuric Acid (H2SO4) 50% 0.00
Saturated Sodium Hydroxide Acid (NaOH) 50% 0.00

With the exception of Hydrofluric acid Jyaluzir beads maintain their inteigrity

Jyaluzir Beads
Bulk Density

Dia
(mm)		 Kg/ltr
Ø 0.40 – 0.70 mm 3.25 ± 0.05 kg/ltr
Ø 0.70 – 1.20 mm 3.25 ± 0.05 kg/ltr
Ø 1.20 – 1.70 mm 3.25 ± 0.05 kg/ltr
Ø 1.70 – 2.40 mm 3.30 ± 0.05 kg/ltr
Ø 2.40 – 2.80 mm 3.30 ± 0.05 kg/ltr
Ø 2.80 – 3.30 mm 3.30 ± 0.05 kg/ltr

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