正交试验法筛选煤气化灰渣制备泡沫陶瓷工艺条件
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摘要
通过L_9(3~4)正交实验设计方法,探讨了发泡剂添加量、烧结温度、升温速率和烧结时间4个因素对泡沫陶瓷材料性能的影响,利用方差分析对制备泡沫陶瓷工艺进行优选。结果表明:利用粉煤气化灰渣制备泡沫陶瓷材料的最佳工艺条件为:烧结温度为1200℃,升温速率为4℃/min,保温时间为30 min,发泡剂的添加量为3%,此时泡沫陶瓷材料的体积密度为0.77 g/cm~3,抗压强度为3.4 MPa。极差结果分析表明,烧结温度、升温速率和发泡剂的添加量是影响材料性能的主要因素。
The effects of four factors including foaming agent dosage,sintering temperature,heating rate and sintering time on the properties of ceramic foam materials were studied L_9(3~4) orthogonal experimental design method.The optimum technological conditions for preparing foamed ceramic materials were obtained,sintering temperature is 1200 degrees,heating rate is 4 ℃/min,holding time is 30 min,and foaming agent is added to 3%.At this time,the volume density of foam ceramic material is 0.77 g/cm~3,and the compressive strength is 3.4 MPa.The results of range analysis show that sintering temperature,interrogation rate and foaming agent dosage are the main factors affecting material properties.
The effects of four factors including foaming agent dosage,sintering temperature,heating rate and sintering time on the properties of ceramic foam materials were studied L_9(3~4) orthogonal experimental design method.The optimum technological conditions for preparing foamed ceramic materials were obtained,sintering temperature is 1200 degrees,heating rate is 4 ℃/min,holding time is 30 min,and foaming agent is added to 3%.At this time,the volume density of foam ceramic material is 0.77 g/cm~3,and the compressive strength is 3.4 MPa.The results of range analysis show that sintering temperature,interrogation rate and foaming agent dosage are the main factors affecting material properties.
引文
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