CAJ | 학술논문

在马弗炉中采用不同温度下对天然大理石进行热处理,而后观察热处理前后石材表面形貌和颜色变化情况,并采用荧光光谱仪分析热处理前后石材化学元素变化情况,探讨石材变色的机理。实验结果表明,随着热处理温度的增加,石材表面由完好转变成有裂纹,同时变色越是明显,由绿色变成红棕色。变色的主要原因是其中的氧化亚铁和四氧化三铁在高温下转变成了氧化铁,提高了氧化铁含量的增加,使得石材颜色变化。该制备方法具有生产工艺简单,变色稳定的优点。
재마불로중채용불동온도하대천연대리석진행열처리,이후관찰열처리전후석재표면형모화안색변화정황,병채용형광광보의분석열처리전후석재화학원소변화정황,탐토석재변색적궤리。실험결과표명,수착열처리온도적증가,석재표면유완호전변성유렬문,동시변색월시명현,유록색변성홍종색。변색적주요원인시기중적양화아철화사양화삼철재고온하전변성료양화철,제고료양화철함량적증가,사득석재안색변화。해제비방법구유생산공예간단,변색은정적우점。
Natura： I marble was treated at different temperature for one hour in the muffle furnace. The surface morPHology and color of stone treated with temperature was observed. The fluorescence spectrometer was used to analysis chemical elements. The mechanism of discoloration was discussed. The result shown that the surface of stone was cracked and the color was changed from green to reddish brown with the increase of temperature. The reason of discoloration was that the ferrous oxide and ferriferous oxide reacted with oxygen producing ferric oxide at high temperatures. Iron oxide content is higher, the more obvious change color. The simple production technology and change color stable was the advantages of this method.