SCRT250

Image module

SCRT250

Scratch Test System

General Information
  • The importance of surface treatment technology is on the rise.
  • Surface treatment technology is used to protect and reinforce the surface layer in ultra-precision industries such as metals and semiconductors.
  • Performance of the thin film coating is determined primarily by the property and adhesive strength of the film to the substrate.
  • The SCRT250 system measures the adhesive strength between the coating layer and the substrate.
  • It measures adhesive strength through friction force for thin film surface and the change of acoustic emission.
Load Measurement System
  • Transducer : Precision load cell
  • Amplifier : Precision strain gage module
Control Parameters
  • Frequency module
  • Continuous load
  • Test duration
  • Temperature (℃)
Acoustic Emission
  • AE detector 200 kHz
  • AE preamplifier- Octave band width filter: 200 kHz
  • Amplification: 40 dB
  • AE amplifier: Large bandwidth amplifier: 50-400 kHz- Octave band width filter: 200 kHz
  • AE signal converter
Recorded Parameters
  • Load
  • Friction force (N)
  • Friction coefficient (μ)
  • Sliding distance (m)
  • Test duration
  • Temperature (℃)
  • Electrical contact resistance
Specification
Power supply AC 220 Volts, 50/60 Hz
Tool option
  • Scratch needle: 0.05 mmR diamond needle
  • Ball Indenor: 1 to 10 mm
Translational table speed
  • Range: 2 < dy/dt < 35 mm/min
  • Calibrated value: 10±0.1 mm/min
Vertical load
  • Range: 0 < dz/dt < 10 N/min
  • Calibrated value: 10±0.1 N/min
Normal force Range: 1 to 10 N
Positioning of the sample
  • In the direction of the scratch
  • Y: motorized (Maximum displacement range: 70mm)
  • Perpendicular to the direction of the scratch
  • X: manual (Maximum displacement range: 100mm)
Travel speed Max. 600 mm/min
Standard sample size 100 mm×70 mm×8 t
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