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Nanoindentation on Metals
The Stress-Strain Relationship: Theory & Experiments

With real-time technical demonstrations of Bruker nanoindenter technology

      

 

 

Presented by Dr. André Clausner, Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), Germany, with technical demos by the Bruker EMEA Nanoindentation team (April 27, 2022)

PRESENTATION HIGHLIGHTS:

Technical Demonstration: Experiments and Analysis on the Hysitron TI 980 TriboIndenter

  • [00:00:00] Indentation Curve to Stress and Strain Relationship
  • [00:01:41] Spherical Indentation Stress-Strain
  • [00:11:44] The Onset of Plasticity: High-Load Indentation and In-Situ SPM Imaging
  • [00:24:21] Experimental Considerations for Accurate Stress-Strain Analysis

Stress-Strain Curves Derived from Indentation Force-Displacement Data
Presented by Dr. André Clausner

  • [00:26:06] Introduction
  • [00:27:54] Representative Strain and Stress
  • [00:33:07] Constraint Factor 
  • [00:42:01] Inverse Finite Element Modelling
  • [00:48:42] Machine Learning-Based Methods
  • [00:54:18] Summary