| Title |
Effects of Interfacial Adhesion Agent on Inorganic Fiber Interface in Inorganic Fiber-reinforced Cement Composite |
| Authors |
Choi Eung-kyoo ; Go Seong-seok ; Kim sun-kuk |
| Keywords |
Cement composite ; Inorganic fiber ; Interfacial adhesion ; Fiber content ; Characteristic correlations |
| Abstract |
The objective of the study is to examine the characteristic correlations between reinforcing inorganic fiber and interfacial adhesion agent since the interfacial adhesion strength between reinforcing inorganic fiber and matrices is believed to be an essential element influencing the physical properties in inorganic fiber reinforced cement composite using slurry method.The integrity of interfacial adhesion between reinforcing fiber and cement not only affects the quality of fiber reinforced cement composite but also influences to a large degree the physical properties of the cement composite when producing inorganic fiber reinforced cement composite using slurry method. Having analyzed the physical properties i.e., water content, tensile strength, flexural strength and flexural toughness of inorganic fiber reinforced cement composite specimens, C-PAM(cation polyacrylamide) was determined to be an optimum interfacial adhesion agent. The study has also demonstrated that interfacial adhesion strength varies largely on the content and type of the reinforcing fiber.Judging from magnified view of the tensile shear cross-section using VMS(video microscope system), interfacial adhesion strength between reinforcing fiber and matrices is affected by the type of interfacial adhesion agent.According to the result of the experiments, C-PAM was determined to be an ideal interfacial adhesion agent when using carbon fiber in producing inorganic fiber reinforced cement composite with the optimum content of carbon fiber being established. |