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金属学报  1994, Vol. 30 Issue (2): 70-78    
  论文 本期目录 | 过刊浏览 |
应用d-电子合金设计理论发展新型抗热腐蚀单晶镍基高温合金──Ⅲ.性能评价
张济山;崔华;胡壮麒;村田纯教;森永正彦;汤川夏夫
中国科学院金属研究所;日本丰桥技术科学大学
APPLICATIONS OF d-ELECTRONS ALLOY DESIGN THEORY TO DEVELOPMENT OF HOT CORROSION RESISTANT Ni-BASE SINGLE CRYSTAL SUPERALLOYS Ⅲ. Characterization of Properties
ZHANG Jishan; CUI Hua; HU Zhuangqi (Institute of Metal Rescarch; The Chinese Academy of Sciences;Shenyang); MURATA Y; MORINAGA M; YUKAWA N (Toyohashi University of Technology; Japan)
引用本文:

张济山;崔华;胡壮麒;村田纯教;森永正彦;汤川夏夫. 应用d-电子合金设计理论发展新型抗热腐蚀单晶镍基高温合金──Ⅲ.性能评价[J]. 金属学报, 1994, 30(2): 70-78.
, , , , , . APPLICATIONS OF d-ELECTRONS ALLOY DESIGN THEORY TO DEVELOPMENT OF HOT CORROSION RESISTANT Ni-BASE SINGLE CRYSTAL SUPERALLOYS Ⅲ. Characterization of Properties[J]. Acta Metall Sin, 1994, 30(2): 70-78.

全文: PDF(682 KB)  
摘要: 根据d-电子合金理论研究了合金系统Ni-16Cr-9A1-2W-1Mo-4Co-Ti-Ta-Nb(at.-%)的热腐蚀行为。选择了最佳成分范围内的4种成分进行单晶生长及性能评价。确定了性能匹配最佳的合金成分(at.-%)为:Ni-16Cr-9A1-2W-1Mo-4Co-3.125Ti-0.875Ta。完成了整个合金设计过程.该合金抗热腐蚀能力达到或超过IN738LC,使用温度比IN738LC高70-90℃,其持久强度达到CMSX-2的水平,试验证明d-电子合金设计理论可以用于研制开发高性能抗热腐蚀单晶镍基高温合金.
关键词 d-电子合金设计抗热腐蚀单晶镍基高温合金热腐蚀高温力学性能    
Abstract:A study of the hot corrosion behaviour of the alloy system Ni-16Cr-9A1-2W-1Mo-4Co-Ti-Ta-Nb (in at. -%) selected by the d-electrons alloy design theory was conducted. At the same time, four experimental compositions were selected in the optimum compositional ranges to characterize the single crystal growth behaviour and properties.Finally, the compositions of an alloy with the desired balance of the comprehensive properties was determined as Ni-16Cr-gA1-2W-1Mo-4Co-3.125Ti-0.875Ta(at. - %). This alloy satisfies the alloy design requirements fairly good, i.c., it shows the hot corrosion resistance at the same or higher level of IN 738 LC, while the service temperature capability 70-90℃ higher than IN 738 LC. The stress rupture strength of this alloy reaches the level of the single crystal alloy CMSX-2 which contains much less Cr content, and is the highest among the current hot corrosion resistant nickel-base superalloys. The results of this study show the effectiveness and feasibility of applications of the d-electrons alloy design concept to the design and development of hot corrosion resistant nickel-base superalloys.ZHANG Jishan, associate professor,(Department of Materials Science and Engineering,Univeristy of Science and Technology Beijing, Beijing 100083)
Key wordsd-electrons alloy design    hot corrosion resistant alloy    single crystal superalloys    hot corrosion process
收稿日期: 1994-02-18     
基金资助:国家自然科学基金
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