Analysis of the Stability of Metal Working Fluid Emulsions by Turbidity Spectra
Analysis of the Stability of Metal Working Fluid Emulsions by Turbidity Spectra
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DOI：
10.1002/ceat.201200590
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发表时间：
2013-07-01
影响因子：
2.1
通讯作者：
Fritsching, Udo
中科院分区：
文献类型：
--
作者：
Glasse, Benjamin;Assenhaimer, Cristhiane;Fritsching, Udo
乳液的物理稳定性可能与液滴尺寸分布随时间的变化有关。作为金属加工液的乳化液的稳定性控制是机械加工行业的一个重要因素，因为老化和破碎的乳化液的性能下降。讨论了用于过程控制和乳化液稳定性监测的金属加工液浊度光谱测量结果。金属加工乳化液是人为地不稳定的混合盐，导致液滴凝聚。通过测量液滴尺寸分布和随时间的浊度光谱来研究去稳定化过程。根据文献中提出的定量标准对结果进行了评价。这些标准的适用性，以评估金属加工液在加工操作进行了讨论。
The physical stability of emulsions can be related to changes in the droplet size distribution over time. Stability control of emulsions used as metal working fluids is an important factor for the machining industry due to the decreased performance of aged and broken emulsions. Results of turbidimetric spectra measurements of metal working fluids for process control purposes and emulsion stability monitoring are discussed. Metal working emulsions were artificially destabilized by admixing salts which resulted in droplet coagulation. The destabilization process was investigated by measuring the droplet size distribution and the turbidity spectra over time. The results were evaluated based on quantitative criteria proposed in the literature. The applicability of these criteria to evaluate metal working fluids during machining operations is discussed.