硫化镍颗粒引发钢化玻璃自爆风险的数值模拟研究  

Numerical Simulation on Spontaneous Breakage Risk of Tempered Glass Induced by Nickel Sulfide Particles

作　　者：武子鹤 杨璐 徐克龙 WU Zihe;YANG Lu;XU Kelong(The Key Laboratory of Urban Security and Disaster Engineering of the Ministry of Education,Beijing University of Technology,Beijing 100124,China)

机构地区：[1]北京工业大学城市与工程安全减灾教育部重点实验室,北京100124

出　　处：《硅酸盐通报》2025年第3期1142-1151,共10页Bulletin of the Chinese Ceramic Society

基　　金：国家重点研发计划(2021YFF0602003-01)。

摘　　要：为研究硫化镍颗粒引发钢化玻璃自爆的风险,提出“等效临界体积膨胀率”概念,采用数值模拟的方法,分析了硫化镍颗粒尺寸、形状、所处位置对钢化玻璃自爆的影响程度。为模拟硫化镍相变过程并定量分析钢化玻璃自爆现象,该模拟通过提高硫化镍颗粒的温度使之产生温度膨胀,来等效现实中硫化镍的相变过程。通过观察硫化镍颗粒周边应力及温度变化,判断钢化玻璃自爆时最大主应力分布情况和硫化镍颗粒的体积膨胀率。结果表明:硫化镍颗粒所处位置越偏向中心位置,钢化玻璃自爆风险越大,而当硫化镍颗粒处于压应力区时,钢化玻璃几乎不发生自爆;当硫化镍颗粒形状趋于长球体时,钢化玻璃自爆风险变大,当硫化镍颗粒形状趋于扁球体时,钢化玻璃自爆风险应视颗粒的最大轴长方向来确定;安全起见,建议将硫化镍颗粒粒径大于0.12 mm时钢化玻璃自爆风险标记为极高。To investigate the risk of nickel sulfide particles inducing the spontaneous breakage of tempered glass,this study introduced the concept of"equivalent critical volume expansion"and employed numerical simulation to analyze the effects of particle size,shape,and location on spontaneous breakage of tempered glass.The phase transition of nickel sulfide was modeled through thermal expansion induced by temperature increase,allowing quantitative analysis of phenomena breakage of tempered glass.Stress and temperature variations surrounding the nickel sulfide particles were examined to determine the distribution of maximum principal stress and the volume expansion of nickel sulfide particles at the onset of spontaneous breakage.The findings indicate that the risk of spontaneous breakage increases as the nickel sulfide particle moves closer to the center of tempered glass,while spontaneous breakage is nearly absent when nickel sulfide particles are located in compressive stress zones.The spontaneous breakage risk intensifies with nickel sulfide particle shapes approaching prolate spheroids,whereas in oblate spheroids,the risk must be assessed based on the orientation of the particles major axis.For safety considerations,it is recommended that tempered glass be classified as having a high risk of spontaneous breakage when nickel sulfide particle size exceeds 0.12 mm.

关 键 词：钢化玻璃 硫化镍颗粒 玻璃自爆 数值模拟 风险评估 应力集中 体积膨胀率 

分 类 号：TQ171[化学工程—玻璃工业]