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Basic Course
LFA 717 Hyperflash HT
Language: English - Duration: 86 Min.
This Online course explains the
- theory of thermal conductivity,
- your LFA 717 HyperFlash® HT instrument itself,
- the theory of LFA,
- which factors have an influence on your LFA Measurement,
- how to prepare your samples and sample holders
- how to start a measurement and
- how to evaluate thermal conductivity and diffusivity,
- how to do a standard calibration run
- and finally how to export the date
Syllabus
- Introduction of the speaker and the agenda
- Introduction
- What is Thermal Conductivity?
- Methods for Determination the Thermal Conductivity
- Application Examples
- Summary
- Introduction on the Product Guide of the NETZSCH LFA 717 HyperFlash® HT
- Instrument Overview and Connections
- Detector and Zoom Optics
- Front Panel
- Opening and Closing the Furnace
- Opening the Device: Internal Elements
- Standard Sample Holders
- Additional Tools
- Summary
- Introduction
- Introduction to the Flash Method
- Pulse Execution and Signal Determination
- Results Obtained from Signal Analysis
- Parker Model: Adiabatic Conditions
- Standard Model (Improved Cape-Lehman Model)
- Additional Models
- Pulse Correction
- Baseline Types
- Summary
- Introduction on influential factors
- Influence of the Graphite Spray
- Influence of the Sample Geometry
- Influence of the Atmosphere
- Influence of the Specific Heat Capacity Determination
- Summary
- Introduction on Sample Preparation
- Sample Geometry
- How to Determine the Sample Thickness
- How to Determine the Sample Density
- Optimizing the Radiative Properties of the Surface
- Summary
- Introduction
- How to Fill the Detector
- Checking and Cleaning the Furnace Windows
- Placing the Sample and the Sample Holder into the Furnace
- Proteus® LFA Measurement Software: Before Measurement
- Proteus® LFA Measurement Software: Starting a Measurement
- Summary
- Introduction on evaluating a measurement
- Open the Database and the Measurement in the NETZSCH Proteus® LFA Analysis
- Thermal Diffusivity Analysis
- Specific Heat Capacity Determination
- Thermal Conductivity Determination
- Export of the Analysis Results
- Summary
- Course Summary
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