Mechanical and Thermal Properties of Polyurethane Acrylate (PUA) / 1,6 Hexanediol Diacrylate (HDDA) /Copper Composite Fabricated by Rapid Prototyping System

• Main Authors: Yi-ming Wang, 王顗銘
• Other Authors: Shih-hsuan Chiu
• Format: Others
• Language: en_US
• Published: 2014
• Online Access: http://ndltd.ncl.edu.tw/handle/14716153532885364644

碩士 === 國立臺灣科技大學 === 材料科學與工程系 === 102 === Rapid prototyping (RP) system is the technology that fabricates model layer by layer. The technology not only can effectively reduce the development time and cost of product, but also can produce complicated product. However, the material of mechanical properties and thermal properties is poor, and become an obstacle to the application. So, in this research, the characteristic of copper powder have strong strength and high thermal properties, with adding copper to improve the material mechanical properties and thermal properties is become the propose in this research, and have wider range of rapid prototyping in the industrial applications. Test specimens were fabricated using polyurethane acrylate (PUA) and 1,6 hexanediol diacrylate (HDDA) photopolymer as matrix materials and copper powder as reinforce materials. Experiment was characterized by using FTIR to see the reaction before and after photopolymer curing, mechanical properties tested by tensile test and Shore D hardness tester, thermal properties tested by TGA and Hot Disk Thermal Constants Analyzer. As the result, in the mechanical properties the maximum of tensile strength is 32.56Mpa, improved up 45%, thermal properties of maximum degradation temperature is 410.41℃, improved up 7%, the maximum of thermal conductivity is 0.393(J/(m‧K)), increased 65%.