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[1]李 华,马 超,汤加杰,等.沉积温度对MOCVD法在铁素体不锈钢表面制备Mn1.5Co1.5O4涂层性能的影响[J].武汉工程大学学报,2025,47(01):37-43.[doi:10.19843/j.cnki.CN42-1779/TQ.202409018]
　LI Hua,MA Chao,TANG Jiajie,et al.Influence of deposition temperature on properties of Mn1.5Co1.5O4 coating prepared by MOCVD method on surface of ferritic stainless steel[J].Journal of Wuhan Institute of Technology,2025,47(01):37-43.[doi:10.19843/j.cnki.CN42-1779/TQ.202409018]
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沉积温度对MOCVD法在铁素体不锈钢表面制备Mn1.5Co1.5O4涂层性能的影响
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年01期
页码:
37-43
栏目:
材料科学与工程
出版日期:
2025-02-28

文章信息/Info

Title:
Influence of deposition temperature on properties of Mn1.5Co1.5O4 coating prepared by MOCVD method on surface of ferritic stainless steel
文章编号:
1674 - 2869（2025）01 - 0037 - 07
作者:
1. 武汉工程大学材料科学与工程学院，湖北 武汉 430205；
2. 武汉工程大学化工与制药学院，湖北 武汉 430205
Author(s):
1. School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205， China；
2. School of Chemical Engineering and Pharmacy，Wuhan Institute of Technology，Wuhan 430205， China
关键词:
Keywords:
分类号:
TG174
DOI:
10.19843/j.cnki.CN42-1779/TQ.202409018
文献标志码:
A
摘要:
为了研究在固体氧化物燃料电池阴极条件下Mn1.5Co1.5O4涂层对连接体的保护效果，以三(2,2,6,6-四甲基-3,5-庚二酮)锰和双(2,2,6,6-四甲基-3,5-庚二酮)钴为前驱体，通过金属有机化学气相沉积法在SUS430铁素体不锈钢上成功制备了Mn1.5Co1.5O4涂层。在1 023 K空气气氛下对其进行抗氧化测试，使用X射线衍射、扫描电子显微镜对氧化前后的样品进行了物相和微观形貌分析。结果表明：Mn1.5Co1.5O4涂层合金氧化后单位面积增加的质量相较于SUS430合金减少了60%以上，其中923 K沉积温度下制备的涂层合金样品抗氧化性能最优，合金涂层相较于空白合金氧化速率常数从5.08×10-14 g2/（cm4·s）降为1.68×10-15 g2/（cm4·s）。使用金属有机化学气相沉积法制备的Mn1.5Co1.5O4涂层能有效降低SUS430连接体的氧化速率，显著提高其抗氧化性能。
Abstract:
To investigate the protective effect of Mn1.5Co1.5O4 coating on the connector under the cathode conditions of solid oxide fuel cells，Mn1.5Co1.5O4 coating was successfully prepared on SUS430 ferritic stainless steel by metal-organic chemical vapor deposition using tris(2,2,6,6-tetramethyl-3,5-heptanedione) manganese and bis(2,2,6,6-tetramethyl-3,5-heptanedione)cobalt as precursors. The samples were subjected to oxidation resistance tests at 1 023 K in an air atmosphere，and the phase composition and microscopic morphology of samples before and after oxidation were analyzed using X-ray diffraction and scanning electron microscopy. The results show that the mass gain per unit area of the oxidized Mn1.5Co1.5O4 coating was reduced by more than 60% compared to that of the oxidized SUS430 alloy，and the antioxidant performance of the coated alloy samples prepared at deposition temperature of 923 K was optimal，with an oxidation rate constant of 1.68×10-15 g2/（cm4·s）, in contrast to 5.08×10-14 g2/（cm4·s） for the blank alloys. The Mn1.5Co1.5O4 coating prepared by metal-organic chemical vapor deposition effectively reduced the oxidation rate constant of the SUS430 connector，thus significantly improving its high-temperature oxidation resitance.

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备注/Memo

备注/Memo:
收稿日期：2024-09-23
基金项目：湖北省教育厅科技计划指导项目（B2023041）；湖北省重点研发项目（2024BCB074）
作者简介：李 华，硕士研究生。Email：[email protected]
*通信作者：赵 培，博士，教授。Email：[email protected]
引文格式：李华，马超，汤加杰，等. 沉积温度对MOCVD法在铁素体不锈钢表面制备Mn1.5Co1.5O4涂层性能的影响［J］. 武汉工程大学学报，2025，47（1）：37-43.

更新日期/Last Update: 2025-03-12