Sim Jeesoo, Kang Youngjeong, Kim Byung Joo, Park Yong Ho, Lee Young Cheol
Energy Plant Group, Korea Institute of Industrial Technology, Busan 46938, Korea.
Department of Materials Science and Engineering, Pusan National University, Busan 46241, Korea.
Polymers (Basel). 2020 Jan 2;12(1):79. doi: 10.3390/polym12010079.
In this research, a fly ash/epoxy composite was fabricated using fly ash filler classified as industrial waste. The behavior of its mechanical properties was investigated by changing the volume of fly ash to 10, 30 and 50 vol.%. To determine the influence of particle size on the mechanical properties, we used two different sizes of the fly ash, which were separated by sieving to less than 90 μm and 53 μm. To optimize fabrication conditions, the viscosity of the fly ash/epoxy slurry was measured at various temperatures with different fly ash volume fractions. In terms of mechanical properties, tensile strength increased as the amount of fly ash increased, up to a critical point. On the other hand, the compression strength of the composite increased continuously as the amount of fly ash increased. Finally, the fracture surfaces were characterized and correlated with the mechanical properties.
在本研究中，使用被归类为工业废料的粉煤灰填料制备了粉煤灰/环氧树脂复合材料。通过将粉煤灰的体积分数改变为10%、30%和50%，研究了其力学性能行为。为了确定粒径对力学性能的影响，我们使用了两种不同粒径的粉煤灰，通过筛分将其分离为小于90μm和53μm的颗粒。为了优化制备条件，在不同温度和不同粉煤灰体积分数下测量了粉煤灰/环氧树脂浆料的粘度。就力学性能而言，拉伸强度随着粉煤灰用量的增加而增加，直至达到临界点。另一方面，复合材料的抗压强度随着粉煤灰用量的增加而持续增加。最后，对断裂表面进行了表征，并将其与力学性能相关联。
