Agilent Nano Indenter G200 User’s Guide 6
Setting the Surface Marker 6-69
Editing Input Values 6-72
Comparing Samples in Analyst 6-74
Adjusting the Vibration Isolation Table 6-78
7 Theory
Indentation Process Overview 7-3
Continuous Load-Displacement Data 7-3
Elastic Modulus of Test Material 7-5
Tip Materials Parameters 7-5
Determining the Contact Stiffness and Contact Area 7-6
The Power-Law Relation 7-6
Contact Depth 7-7
Projected Contact Area 7-7
Determining Contact Stiffness Dynamically 7-8
Frame Stiffness and Indenter Area Function Theory 7-9
Instrument Frame Stiffness: Indentation Definition 7-9
Frame Stiffness Summary 7-17
Determining Indenter Area Function 7-17
Area Function Summary 7-24
Diagnostics 7-24
Best Experimental Practice 7-29
Choosing an Indenter Geometry 7-29
Environmental Control 7-29
Surface Preparation 7-30
Testing Procedure 7-30
Calculations Using Raw Displacement and Load Data 7-31
Reference to the Point of Contact 7-31
Thermal Drift 7-31
Compensating for Deformation of the Load Frame 7-33
Compensating for the Force Exerted by the Support Springs 7-33
References 7-33
A Continuous Stiffness Measurement
Quick Start Guide A-3
NanoSuite Reference A-5
Required Inputs A-5
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