DELPHI在金属材料流动腐蚀研究中的应用  

APPLICATION OF DELPHI LANGUAGE ON SUDIES OF FLOW INDUCED CORROSION OF METALLIC MATERIALS

作　　者：刘景军[1] 孟靖颖[1] 李效玉[1] 林玉珍[1] 

机构地区：[1]北京化工大学材料科学与工程学院

出　　处：《腐蚀科学与防护技术》2005年第5期340-344,共5页Corrosion Science and Protection Technology

基　　金：国家自然科学基金(No.50101002)

摘　　要：采用DELPHI语言,通过建立材料在流动海水中腐蚀综合模型,对金属流动腐蚀实验进行了仿真化研究.结果表明:动态仿真实验较好地模拟了流动介质对材料腐蚀的影响,探讨了表面流体力学参数与腐蚀的关系.仿真得到的腐蚀速度与实测值基本一致,说明通过建立的腐蚀综合模型,开发管流式和旋转流式材料流动腐蚀的仿真软件是可行的,能够对将材料流动腐蚀,特别是在高流速、高温条件下流动腐蚀进行模拟研究.In this paper, by establishing a overall corrosion model for metallic materials in flowing seawater, flow induced corrosion of two metals were studied with aid of Simulation test method using Delphi language. The results showed that dynamic simulation tests could well simulate the effects of fluid flow on metal corrosion, and explicate the relationship between near-wall hydrodynamic parameters and corrosion rates. Simulated material flow induced corrosion rates obtained by this model are in agreement well with measured ones. Thus, it is showed that the established overall corrosion model is correct, and the developed simulation software of loop and the rotating disk experimental apparatus are scientific and reasonable, which can be used to study materials flow induced corrosion, especially, in high flow velocity. Simulation could well be an alternative of the corrosion test in high flow velocity condition, and upgrades the research to a new level.

关 键 词：金属材料 流动腐蚀 DELPHI语言 仿真实验 机理 

分 类 号：TG172[金属学及工艺—金属表面处理]