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wear rate of zirconium silicate beads in lab

 

Wear rate of Zirconium Silicate beads in Lab

1. Typical Properties:

 

NaorZr-64

Fused one  

Sintered another one

Specific Gravity(g/cm3)

4.11

3.75

4.09

Hardness Vickers(Hv)

1073.2±12.0

640.7±28.4

996.6±16.2

Crushing Strength(kgf)

116.70±15.42

45.43±17.28

      78.42±37.71

Microstructure

zircon crystals

zirconia crystals divided glassy phase

zircon crystals with porosity

2. Chemical Composition:

composition

NaorZr-64

Fused one

Sintered another one

ZrO2

62-64%

68%

58%

SiO2

33%

31%

37%

3. Wear rate in laboratory:

A. Testing condition

Mill: vertical type

Volume of grinding container: 1.4L

Speed of shaft: 1500rpm

Length of pins: 90mm

Diameter of beads: 1.93±0.08mm (NanorZr-64),

1.89±0.10 mm (Fused one)

1.91±0.09mm (Sintered another one)

Charge of beads: 650ml

Grinding powder: 50g Al2O3 with 325 mesh particle sizes

Base: 450ml water

Grinding time: 8h

B. Wear rate (%):

NanorZr-64

Fused one

Sintered another one 

1.3624

4.9276

3.6308

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