Nano Hardness Testing/Nanoindentation by NANOVEA

Nanoindentation Process

During Nanoindentation, an indenter tip is forced into the sample by applying an increasing load up to a pre-determined value. The measured load is then slowly decreased until partial, or complete, relaxation of the sample has taken place. The load and displacement are recorded constantly during this process to create a load-displacement curve. Incorporating a pause at maximum load allows examination of creep properties. Other loading modes are possible including constant load multi-cycle for measuring plastic-elastic deformation or fatigue; and adding load multi-cycle for attaining properties versus depth; and Dynamic Mechanical Analysis (DMA) used to measure visco-elastic properties of materials.

Powerful DMA analysis at constant loading with frequency and temperature sweep

Powerful DMA analysis at constant loading with frequency and temperature sweep

Low load depth versus load indentation 1 mN with capability to go down to 40 microN

Low load depth versus load indentation 1 mN with capability to go down to 40 microN

Standards

  • ASTM E384
  • ASTM B933
  • STM G171
  • ASTM E2546
  • ASTM D4065
  • DIN 50359
  • ISO 14577

Properties Analyzed During Nanoindentation

  • Hardness
  • Elastic modulus
  • Hardness and Elastic Modulus vs Temperature or Humidity
  • Stress-Strain Curve from Continuous Stiffness (CSM) and Multi-Load Cycles
  • Creep and Stress Relaxation with constant load and depth control
  • Plastic and Elastic Deformations
  • Restoration Ratio
  • Loss and Storage Modulus
  • Fracture Toughness
  • Yield Strength
  • Recovery Depth
  • Compression
  • Puncture Resistance
  • Adhesion Stickiness
  • Fatigue
  • Frequency and Temperature Sweep DMA
  • Martens Hardness vs Depth
  • Visual Vickers Hardness and many others possible

Nanoindentation Software Features

  • Recipes
  • Automatic Reporting
  • Export Raw Data and Images
  • Real Time Display
  • Multi-Language Support
  • DMA and Continuous Stiffness
  • Compare Curves and Results on Same or Multi Samples
  • True Depth and Load Feedback Control Loading

Advanced Nanoindentation Automation

  • FastMap: Mapping of Hardness and Elastic Modulus (three second per indent)
  • Single Indent Area Function (patent pending): Quick and Easy nano indenter calibration
  • Automated multi-sample testing (handles height variance of up to 50 mm)
  • Navigation Plus (patent pending): User Friendly surface navigation imaging
  • Broadview Map Selection Tool (patent pending) Advanced Mapping on stitched image
  • Quick Approach, Auto Surface Detection and Auto Analysis
  • Direct Easy Calibration Tools for Load and Depth
  • Savable recipes of all macros programed
  • Single Indent Area Function (patent pending): Quantifiable quality check for indenter
  • Wizard (patent pending): Automatic Test Parameter generator for auto-indentation

Indenters: (Diamond, WC, and many other materials)

  • Berkovich
  • Cube Corner
  • Vickers
  • Knife
  • Conical-Spherical
  • Knoop
  • 1 to 6 mm balls

Environmental Conditions and Sample(s) Holders

  • 275 °C and 450 °C Oven
  • 3 Point Bending or Puncture Holder
  • Humidity Chamber
  • Liquid Cups
  • 100 °C down to -10 °C Cooling Chamber
  • Custom Sample and Indenter Holders

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