硅酸盐通报2024，Vol.43Issue(6)：2269-2278,10.
氧化铁对建窑油滴釉呈色与析晶行为的影响
Influence of Iron Oxide on Coloration and Crystallization Behavior of Jian Kiln Oil-Spot Glaze
摘要
Abstract
Jian kiln oil-spot glaze is one of the most typical iron crystal precipitation glazes in ancient China,and it is important to clarify the influence of iron oxide on precipitation glazes coloration and crystal precipitation,to provide a scientific basis and theoretical guidance for the development and innovation of iron crystal precipitation glazes with a variety of coloration effects.In this paper,XRD,Raman,SEM and EDS testing methods were used to investigate the microstructure of the precipitated crystals in glaze melt and the change rules of glaze coloration with different iron oxide content,and to reveal the mechanism of the glaze crystal structure on coloration.The results show that with the increase of iron oxide content,the glaze surface precipitates brownish-yellow,silver-blue,silver-white,silver-white and reddish-brown crystal spots,and the crystal spots are colored by chemical color and structural color coupling effect of crystals.The iron enrichment in the middle area of crystal spot is higher than that in edge area,and the phase change from ε-Fe2O3 toα-Fe2O3 takes place preferentially,forming different color effects.The middle area first precipitates 2～4 μm leaf-shapedε-Fe2O3 crystals,with brownish yellow.With the increase of iron oxide content,the glaze layer precipitates with the glaze surface parallel to the directional arrangement of rod-shaped α-Fe2O3 crystals to form crystalline thin film,which produces a strong reflection of light,being silver-white.When the iron oxide continues to increase,the glaze precipitation of 10～20 μm dendritic α-Fe2O3 crystals penetrates the crystalline thin film,the structural color(silver)produced by the film is weakened,and the chemical color of α-Fe2O3(reddish brown)is enhanced.The coupling is silver-white with reddish brown.The edge area first precipitates a large number of 30～50 nm grains,resulting in Rayleigh scattering as blue.With the increase of iron oxide content,the surface layer of rod-like crystals also forms a crystal film and the lower layer of film precipitates 100～200 nm plate nanocrystals to form amorphous photonic crystals.The coherent scattering is blue,and the reflected silver-white is coupled with silver blue.关键词
氧化铁/油滴釉/非晶光子晶体/结构色/化学色/析晶Key words
iron oxide/oil-spot glaze/amorphous photonic crystal/structural color/chemical color/crystallization分类
化学化工引用本文复制引用
江财水,周健儿,方圆,刘昆,包启富,吴军明..氧化铁对建窑油滴釉呈色与析晶行为的影响[J].硅酸盐通报,2024,43(6):2269-2278,10.基金项目
国家自然科学基金(51862018) （51862018）
江西省教育厅科技项目(GJJ160879) （GJJ160879）
