PFBC-CC燃气透平叶片防护涂层热态筛选试验研究  

Experimental Research on Hot State Selections ofPFBCCC Gas Turbine Blades Coatings

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作  者:仲兆平[1] 戴锅生[1] 章名耀[1] 徐爱群[1] 王世栋[1] 

机构地区:[1]东南大学

出  处:《燃烧科学与技术》1998年第2期113-120,共8页Journal of Combustion Science and Technology

摘  要:PFBC-CC燃气透平叶片工作条件恶劣,通过施加防护涂层可有效地防止叶片腐蚀和磨蚀。本文叙述了15MWPFBC-CC中试燃气透平叶片防护涂层动态筛选试验的情况。试验在一台材料腐蚀(磨蚀)试验装置上进行,分高、低温两个试验段,选择了3种工艺、14种配方的涂层参加试验。运用SEM、TEM、XRD、EDAX、AES等现代分析手段和腐蚀(磨蚀)机理对试验结果进行了详细的分析,筛选出的优秀涂层为:高温区CR1涂层,低温区CR9涂层。这些涂层已用于中试燃气透平叶片上。强化试验的腐蚀(磨蚀)机理为:腐蚀(磨蚀)交互作用,高温区为磨蚀增强的腐蚀过程,低温区为腐蚀增强的磨蚀过程。お? As PFBCCC gas turbine blades work in adverse circumstances,the method of exerting coating is applied in order to lighten blade corrosion and erosion.This paper presents the experiment of hot state selection of 15 MW PFBCCC pilot gas turbine blade coatings.A novel test facility of materials corrosion/erosion is studied and manufactured by authors.This facility has two test sections that are high,low temperature sections.Coatings of 3 technologies and 14 prescriptions are tested in hot sate in this facility.Excellent coatings are selected through analysis with some modern analysis methods such as SEM,TEM,XRD,EDAX,AES,etc.and corrosion/erosion theory.These coatings have applied in the gas trubine blades of the 15 MW PFBCCC pilot plant.The corrosion/erosion mechanism of coatings in the experimental conditions is coaction of corrosion/erosion.It is erosionenhanced corrosion at 760 ℃,and corrosionenhanced erosion at 590 ℃.

关 键 词:燃气轮机 叶片 涂层 腐蚀 腐蚀 PFBC-CC 

分 类 号:TM611.31[电气工程—电力系统及自动化] TK263.3[动力工程及工程热物理—动力机械及工程]

 

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