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Basic Course
Kinexus Rheometer
Language: English - Duration: 178 Min.
This Online course explains the
- Rheology Introduction
- Geometry & Cartridge Choice
- Accessory Overview
- Introduction into Kinexus Measurements
- Viscosity measurements
- Yield StressYield stress is defined as the stress below which no flow occurs; literally behaves like a weak solid at rest and a liquid when yielded.Yield Stress
- Introduction to Viscoelasticity and Amplitude Sweeps
- Frequency Sweeps and Single Frequency Measurements
- Viscometry vs. Oscillation
- CreepCreep describes a time and temperature dependent plastic deformation under a constant force. When a constant force is applied to a rubber compound, the initial deformation obtained due to the application of the force is not fixed. The deformation will increase with time.Creep and Recovery Measurements
- StressStress is defined as a level of force applied on a sample with a well-defined cross section. (Stress = force/area). Samples having a circular or rectangular cross section can be compressed or stretched. Elastic materials like rubber can be stretched up to 5 to 10 times their original length.StressRelaxationWhen a constant strain is applied to a rubber compound, the force necessary to maintain that strain is not constant but decreases with time; this behavior is known as stress relaxation. The process responsible for stress relaxation can be physical or chemical, and under normal conditions, both will occur at the same time. Relaxation
Syllabus
- Introduction Rheology and Rheological Testing
- Geometry & Cartridge Choice
- Accessory Overview
- Introduction into Kinexus Measurements
- Introduction to Viscoelasticity and Amplitude Sweeps
- Frequency Sweeps and Single Frequency Measurements
- Viscometry vs. Oscillation
- CreepCreep describes a time and temperature dependent plastic deformation under a constant force. When a constant force is applied to a rubber compound, the initial deformation obtained due to the application of the force is not fixed. The deformation will increase with time.Creep and Recovery Measurements
- StressStress is defined as a level of force applied on a sample with a well-defined cross section. (Stress = force/area). Samples having a circular or rectangular cross section can be compressed or stretched. Elastic materials like rubber can be stretched up to 5 to 10 times their original length.StressRelaxationWhen a constant strain is applied to a rubber compound, the force necessary to maintain that strain is not constant but decreases with time; this behavior is known as stress relaxation. The process responsible for stress relaxation can be physical or chemical, and under normal conditions, both will occur at the same time. Relaxation
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