纯Ni及其溅射纳米晶的高温氧化行为

中国腐蚀与防护学报

2003, Vol. 23

Issue (6): 335-339

研究报告

本期目录 | 过刊浏览

纯Ni及其溅射纳米晶的高温氧化行为

耿树江;朱圣龙;王福会

中科院金属所;金属腐蚀与防护国家重点实验室

HIGH TEMPERATURE OXIDATION BEHAVIOR OF PURE NiAND ITS SPUTTERED NANOCRYSTALLINE COATING

Shujiang Geng;Shenglong Zhu;Fuhui Wang

中科院金属所;金属腐蚀与防护国家重点实验室

全文: PDF(222 KB)

摘要: 用磁控溅射方法在电解纯Ni上溅射了一层与其成分相同的纳米晶涂层.研究了纯Ni及其溅射纳米晶涂层在700℃～900℃的氧化行为.结果表明：在同一温度下，纳米晶纯Ni的氧化增重高于纯Ni，即经溅射纳米化纯Ni的氧化速率变快.利用扫描隧道显微镜、带能谱的扫描电镜和X射线衍射对样品的表面和截面进行了分析，并讨论了其氧化机理.

关键词 ：纯Ni, 溅射, 纳米晶, 氧化

Abstract：A nanocrystalline coating with the same compositio n as pure Ni was deposited on the pure Ni substrate by means of magnetron sputte ring.The oxidation behavior of pure Ni and its sputtered nanocrystalline coatin g in air at 700℃～900℃ was studied.The samples were examined by scanning tunne l microscopy(STM),scanning electron microscopy(SEM)with energy dispersive X-ray (EDX)and X-ray diffraction(XRD).The results indicated that the mass gain of t he nanocrystalline pure Ni was higher than that of normal grain-sized pure Ni at the same temperature.Nanocrystallization accelerated the oxidation of pure Ni,e specially at the very early stage.It is proposed that nanocrystallization may al so lead to an increase of oxidation rate at the very early stage for oxidation o f any multi-element alloy,and it is by this mechanism that nanocrystallization p romotes the selective oxidation of alloys.

Key words： pure Ni sputtering nanocrystalline oxidation

收稿日期: 2002-05-13

ZTFLH:

TG174.4

通讯作者: 耿树江

Corresponding author: Shujiang Geng

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引用本文:

耿树江; 朱圣龙; 王福会 . 纯Ni及其溅射纳米晶的高温氧化行为[J]. 中国腐蚀与防护学报, 2003, 23(6): 335-339 .
Shujiang Geng, Shenglong Zhu, Fuhui Wang. HIGH TEMPERATURE OXIDATION BEHAVIOR OF PURE NiAND ITS SPUTTERED NANOCRYSTALLINE COATING. J Chin Soc Corr Pro, 2003, 23(6): 335-339 .

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https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2003/V23/I6/335

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