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