Related Experiment Video
Updated: Apr 18, 2026

Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction
Published on: January 19, 2016
Molecular dynamics study on the tensile deformation of cross-linking epoxy resin
1College of Civil Engineering, Fujian University of Technology, Fuzhou, Fujian Province, 350118, People's Republic of China.
Abstract:
Various epoxy resins are used in the electronic industry as encapsulants, adhesive, printed wiring boards, electronic packagings, and so on. In this study, molecular dynamics method is employed to simulate the tensile deformation of the typical electronic epoxy resin. An efficient cross-linking procedure is developed to build the molecular model. Based on the cross-linking algorithm, the effects of moisture content, cross-linking conversion, strain rate, and temperature on the mechanical properties of epoxy resins are investigated. The stress-strain curves are plotted. Also the Young's modulus and Poisson ratio are calculated. The simulation results are compared with existing experimental data. Good agreements are observed. The results show that mechanical properties of epoxy resin decrease obviously with increasing moisture content and temperature. However the high cross-linking conversion and strain rate enhance the mechanical properties of resin. This study is significant to understanding the mechanical properties of cross-linking epoxies in high temperature and high humidity.
Related Concept Videos
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity
Plastic Behavior
Deformation of Member under Multiple Loadings
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Members Made of Elastoplastic Material
As the bending moment...
Stress-Strain Diagram - Ductile Materials
Dynamic Modulus of Elasticity of Concrete
The sonic test is a common method to determine the dynamic modulus. In this test, a concrete beam, sized either 6 x 6 x 30 inches or 4 x 4 x 20 inches, is clamped at its center. Vibrations are initiated at one end of the beam by an electromagnetic exciter unit powered by a...

