Nb及Nb752合金氧化膜应力的研究

中国腐蚀与防护学报

1988, Vol. 8

Issue (1): 21-28

研究报告

本期目录 | 过刊浏览

Nb及Nb752合金氧化膜应力的研究

李铁藩;曲英哲

中国科学院金属腐蚀与防护研究所;中国科学院金属腐蚀与防护研究所

THE STRESSES OF OXIDE SCALE OF Nb AND Nb ALLOY DURING HIGH TEMPERATURE OXIDATION

Li Tiefan Qu Yingzhe (Institute of Corrosion and Protection of Metals;Academia Sinica)

全文: PDF(609 KB)

摘要: 在自制的弯曲法测定氧化膜应力装置上,分别在400～500℃温度范围内,研究了 Nb 及 Nb752合金(Zr 2.5.W10%wt)在一个大气压纯氧中所生成的氧化膜的生长应力、热应力以及金属基体溶解氧对应力值的影响.发现合金元素 Zr 与 W 含量分别达2.5% wt 及10%wt 时对氧化膜应力无影响。X-射线衍射分析证明,这是由于实验条件下,Nb752合金与纯铌的氧化膜组成相同,均由 Nb_2O_3单相构成.

Abstract：The growth stresses and thermal stresses developed during oxidation of Nb and Nb-752(Zr 2.5%wt.,W 10%wt.)at 400～500℃ in 1 atm pure oxygen and the effect of oxygen dissolved in metals on the stresses were investigated by the bending strip method.It was found that alloying elem- ents Zr and W had little effect on the stresses until their contents reach 2.5%wt.and 10%wt.respectively.The results of X-ray diffraction anal- ysis also indicated that the composition of oxide film was Nb_2O_5 either on pure Nb or on Nb-752 alloy.

收稿日期: 1988-02-25

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引用本文:

李铁藩;曲英哲. Nb及Nb752合金氧化膜应力的研究[J]. 中国腐蚀与防护学报, 1988, 8(1): 21-28.
. THE STRESSES OF OXIDE SCALE OF Nb AND Nb ALLOY DURING HIGH TEMPERATURE OXIDATION. J Chin Soc Corr Pro, 1988, 8(1): 21-28.

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https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1988/V8/I1/21

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