Technical Information Magazine 201904-03 Measured Values of Coefficient of Linear Expansion
The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control.
**Abstract** With the improvement of simulation technology, techniques for estimating physical properties have developed. On the other hand, there are often discrepancies between the estimated physical properties and the actual behavior of materials. One possible cause of this is that the parameters used in the simulation differ from those of the materials being used. This paper examines composite materials using cellulose nanofibers (CNF), a new material that has garnered attention in recent years, by comparing the orientation of CNF and the linear thermal expansion coefficient of the composite material between measured values and estimated values from simulations. Furthermore, the results of the evaluation of the impact of the parameters used in the simulation are presented. **Table of Contents** 1. Introduction 2. Samples 3. Measurement and Simulation Analysis Methods 4. Comparison of CNF Orientation 5. Comparison of Linear Thermal Expansion Coefficient (CTE) 6. Conclusion
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Technical Information Magazine The TRC News "Comparison of Measured Values and Simulated Estimates of Coefficient of Linear Expansion - Composite Materials Using Cellulose Nanofibers -" [Abstract] With the advancement of simulation technology, techniques for estimating physical properties have developed. On the other hand, there are often discrepancies between the estimated physical properties and the actual behavior of materials. One of the causes of this may be the difference in parameters used in simulations compared to those of the materials being studied. This paper examines composite materials using cellulose nanofibers (CNF), a new material that has gained attention in recent years, by comparing the orientation of CNF and the coefficient of linear expansion of the composite material between measured values and simulated estimates. Furthermore, the results of evaluating the impact of parameters used in the simulation are presented. [Table of Contents] Samples Measurement and Simulation Analysis Methods Comparison of CNF Orientation Comparison of Coefficient of Linear Expansion (CTE) [Figures and Tables] Figures 1 to 7, Tables 1 to 3 X-ray CT and 3D SEM observation results of CNF, orientation simulation results Temperature curve of linear expansion rate (ΔL/L0) for pure PP and CNF 20%/PP CTE simulation results for CNF 20%/PP
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At Toray Research Center, Inc., we provide technical support through analytical techniques and physical property analysis to address various challenges in research and development as well as production fields via contract analysis. Based on our long-standing achievements and extensive experience in analysis and physical property evaluation, we continue to strive to meet the advanced and diverse needs of our customers.
