Lanzhou University of Technology Institutional Repository (LUT_IR)
Valence electron structures and properties of Ni-based corrosion resistant alloy | |
Yang Rui-cheng; Shu Jun; Chen Kui; Wang Ka-xuan | |
2007-11 | |
发表期刊 | TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA |
ISSN | 1003-6326 |
卷号 | 17页码:S84-S87 |
摘要 | The corrosion resistance and mechanical properties were tested and compared for the newly synthesized as-cast, as-solution Ni-Cr-Mo-Cu corrosion resistant alloys and 1Cr18Ni9Ti austenitic stainless steel. Their valence electron structural units were constructed, and the relative parameters were calculated by means of the Empirical Electron theory of Solids and Molecules (EET). The results show that, during alloy elements Cr, Mo and Cu entering Ni-matrix, the bonding strength n(A) and bonding energy E-A of the strongest bond of the alloy are greatly increased, causing the stronger solid solution strengthening effects (about 30% increase in ab). Also, as reinforcement of the main bond network and the improvement of stability of the alloy system due to the solution of these alloying elements in gamma-Ni, the ionization of metal atoms in corrosion solution and the flow of electrons from anode to cathode would all be impeded during electro-chemical corrosion processes, which leads to the excellent corrosion resistant ability of the present Ni-Cr-Mo-Cu alloy (about 2-3 orders of magnitude as high as 1Cr18Ni9Ti austenitic stainless steel) in several highly aggressive solutions. |
关键词 | nickel-base corrosion-resistant alloy valence electron structure solid solution effect corrosion resistance |
收录类别 | CPCI ; SCIE ; SCI |
语种 | 英语 |
WOS研究方向 | Metallurgy & Metallurgical Engineering |
WOS类目 | Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000251737200019 |
出版者 | ALLERTON PRESS INC |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/35567 |
专题 | 兰州理工大学 材料科学与工程学院 省部共建有色金属先进加工与再利用国家重点实验室 |
通讯作者 | Yang Rui-cheng |
作者单位 | Lanzhou Univ Technol, State Key Lab Gansu Adv Nonferrous Met Mat, Lanzhou 730050, Peoples R China |
第一作者单位 | 省部共建有色金属先进加工与再利用国家重点实验室 |
通讯作者单位 | 省部共建有色金属先进加工与再利用国家重点实验室 |
第一作者的第一单位 | 省部共建有色金属先进加工与再利用国家重点实验室 |
推荐引用方式 GB/T 7714 | Yang Rui-cheng,Shu Jun,Chen Kui,et al. Valence electron structures and properties of Ni-based corrosion resistant alloy[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2007,17:S84-S87. |
APA | Yang Rui-cheng,Shu Jun,Chen Kui,&Wang Ka-xuan.(2007).Valence electron structures and properties of Ni-based corrosion resistant alloy.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,17,S84-S87. |
MLA | Yang Rui-cheng,et al."Valence electron structures and properties of Ni-based corrosion resistant alloy".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 17(2007):S84-S87. |
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