Solid particle erosion (SPE) is a dynamic process that causes material removal of the target surface due to repeated impingement of erodent particles.
The process causes not only material loss but also performance loss, reduction in a component lifetime, high maintenance and service cost, and delay in active duty of structures.
Erosive wear is commonly observed in helicopter rotor blades, airfoils of unmanned air vehicles, gas turbine compressor blades, wind turbine blades, high-speed vehicles, pump impeller blades, pipelines, etc.
Therefore, characterization, evaluation, and prevention of solid particle erosion of structures, which may be composed of metals, polymers, composites, optic surfaces, and coatings, is a vital task for the manufacturer.
The solid particle erosion of a target surface is dependent on several parameters such as hardness of target and erodent materials, impact velocity, impingement angle, shape, and size of erodent particles.
In consideration of the abovementioned requirements and parameters, the designed SPE test system is capable of testing various materials under various conditions with high precision and consistency.
Specifications:
Test Materials
Metals, Polymers, Composites, Coatings, Optical Surfaces, etc.
Pressure Capacity
40 bars
Impact Speed
50 - 400 meters/sec (by particle size)
Impact Angle
0 - 90° (variable)
Target Holder Capability
Vertical :
0 - 4 cycles/minute
Horizontal :
0 - 30 cycles/minute
Feeding Capacity
2 liters
Sample Sizes (Real Geometry)
Variable 3D commercial aircraft wing geometries.
Types of Abrasive Particles
Al2O3 (74 µm – Mean dia.)
SiC (70-179-348 µm – Mean dia.)
Quartz (269 µm – Mean dia.)
Abrasive Feed Rate
0.2 - 10 g/min.
Nozzle - Target Distance
10 - 150 mm
Sample Sizes (Single Point Test)
25 x 25 mm2 (Impact Angle @ 60 - 90°)
25 x 35 mm2 (Impact Angle @ 45°)
25 x 60 mm2 (Impact Angle @ 20 - 30°)
Erosion Testing Standards
ASTM G76-13 :
Standard Test Method for Conducting Erosion Tests by Solid Particle Impingement Using Gas Jets.
ASTM F1864-05 :
Standard Test Method for Dust Erosion Resistance of Optical and Infrared Transparent Materials and Coatings.
NOTE :
The parameters and options given here are provided as standard options. Possible extended parameters or new possible options can be provided if needed.
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