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首页> 外文期刊>Journal of Crystal Growth >Substrate effect on surface adhesion/crystallisation of calcium carbonate
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Substrate effect on surface adhesion/crystallisation of calcium carbonate

机译：基质对碳酸钙表面粘附/结晶的影响

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摘要

The work reported primarily focuses on understanding the mechanisms of calcium carbonate (CaCO_3) scale deposition on nano- and micro-structured polymer surfaces and on stainless steel surfaces treated with commercially available industrial coatings, taking untreated stainless steel as a reference substrate. The effect that a substrate's surface has on the deposition and growth of CaCO_3 crystals in terms of its physical and chemical parameters is explored. In addition, substrate effects on crystal morphology are examined as the nature of the substrate is clearly shown to influence the prominent polymorph in CaCO_3 deposition. Also, the adhesion of CaCO_3 to a surface is affected by the mechanism of deposition and this is assessed by whether crystals migrated from the bulk solution to settle on the surface or heterogeneously nucleate on the surface itself and subsequently grow there. The work provides evidence that the surfaces are acting as nucleation sites for crystals to heterogeneously initiate and grow and is also a demonstration of crystals growing in confinement.
机译：报告的工作主要侧重于理解碳酸钙（CaCO_3）垢在纳米结构和微结构化聚合物表面以及用市售工业涂料处理过的不锈钢表面上的沉积机理，并以未处理的不锈钢作为参考基材。从基质的物理和化学参数出发，探讨了基质表面对CaCO_3晶体沉积和生长的影响。另外，检查了衬底对晶体形态的影响，因为衬底的性质清楚地显示出会影响CaCO_3沉积过程中突出的多晶型物。而且，CaCO 3对表面的粘附力受沉积机理的影响，并且这是通过晶体是否从本体溶液迁移以沉降在表面上还是异质成核在表面本身上并随后在那里生长而评估的。这项工作提供了证据，表明表面充当了晶体异质地引发和生长的成核位点，并且也证明了晶体在局限中生长。

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