运用均匀设计结合BP神经网络算法,在磷酸、硅烷环境下将超细粉磨后的800目钢渣微粉进行优化改性后,部分代替炭黑同橡胶按比例复合制备高性能生态橡胶材料。建立制备工艺参数与力学性能的BP神经网络优化模型,优化设计生态橡胶的工艺参数...运用均匀设计结合BP神经网络算法,在磷酸、硅烷环境下将超细粉磨后的800目钢渣微粉进行优化改性后,部分代替炭黑同橡胶按比例复合制备高性能生态橡胶材料。建立制备工艺参数与力学性能的BP神经网络优化模型,优化设计生态橡胶的工艺参数。利用BET、FTIR、XRD和SEM对优化后的生态橡胶进行表征。结果表明,优化后生态橡胶制备工艺参数:磷酸与橡胶的质量比为0.013、硅烷K550与橡胶的质量比为0.003、促进剂与橡胶的质量比为0.007、硫磺与橡胶的质量比为0.011以及硬脂酸与橡胶的质量比为0.009。优化生态橡胶的力学性能:拉伸强度为18.6 MPa、邵尔A硬度为69.7和撕裂强度为45.6 k N/m。模型预测结果与实测结果具有较高的吻合度,误差范围为-1.59%^-0.85%。展开更多
Porous sound-absorbing materials were prepared from steel slag using waste expanded polystyrene（EPS） particles as pore former.The influences of the experimental conditions such as fly ash content,sintering temperatu...Porous sound-absorbing materials were prepared from steel slag using waste expanded polystyrene（EPS） particles as pore former.The influences of the experimental conditions such as fly ash content,sintering temperature,sintering time,and pore former addition on the performance of the porous sound-absorbing materials were investigated.The results show that the porosity of the specimens can reach above 50.0%;the compressive strength and average sound-adsorption coefficient of the sintered specimens are above 3.0 MPa and 0.47,respectively.The optimum preparation conditions for the steel slag porous sound-absorbing materials are as follows：mass fraction of fly ash 50%,waste EPS particles 3.6 g,sintering temperature 1100℃,and sintering time 7.5h,which are determined by considering the properties of the sound-absorbing materials,energy consumption and cost.展开更多
文摘运用均匀设计结合BP神经网络算法,在磷酸、硅烷环境下将超细粉磨后的800目钢渣微粉进行优化改性后,部分代替炭黑同橡胶按比例复合制备高性能生态橡胶材料。建立制备工艺参数与力学性能的BP神经网络优化模型,优化设计生态橡胶的工艺参数。利用BET、FTIR、XRD和SEM对优化后的生态橡胶进行表征。结果表明,优化后生态橡胶制备工艺参数:磷酸与橡胶的质量比为0.013、硅烷K550与橡胶的质量比为0.003、促进剂与橡胶的质量比为0.007、硫磺与橡胶的质量比为0.011以及硬脂酸与橡胶的质量比为0.009。优化生态橡胶的力学性能:拉伸强度为18.6 MPa、邵尔A硬度为69.7和撕裂强度为45.6 k N/m。模型预测结果与实测结果具有较高的吻合度,误差范围为-1.59%^-0.85%。
基金Project(2011AA06A105)supported by the National High-tech Research and Development Program of China
文摘Porous sound-absorbing materials were prepared from steel slag using waste expanded polystyrene（EPS） particles as pore former.The influences of the experimental conditions such as fly ash content,sintering temperature,sintering time,and pore former addition on the performance of the porous sound-absorbing materials were investigated.The results show that the porosity of the specimens can reach above 50.0%;the compressive strength and average sound-adsorption coefficient of the sintered specimens are above 3.0 MPa and 0.47,respectively.The optimum preparation conditions for the steel slag porous sound-absorbing materials are as follows：mass fraction of fly ash 50%,waste EPS particles 3.6 g,sintering temperature 1100℃,and sintering time 7.5h,which are determined by considering the properties of the sound-absorbing materials,energy consumption and cost.
