C/C 复合材料表面Ni 涂层的制备及性能研究

杜超凡, 王 珊, 宋生宏, 沈耀邦, 齐祖兴, 鞠昌健

doi:10.16577/j.issn.1001-1560.2023.0171

材料保护 >

2023 , Vol. 56 >Issue 7: 127 - 134

DOI: https://doi.org/10.16577/j.issn.1001-1560.2023.0171

工艺探讨

C/C 复合材料表面Ni 涂层的制备及性能研究

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1.青海大学机械工程学院，青海西宁 810016；2.青海高景太阳能科技有限公司，青海西宁 810016

王珊(1983-)，硕士，副教授，研究方向为光伏材料分析，电话:13709751690，E-mail:214595905＠qq.com

收稿日期: 2023-01-25

修回日期: 2023-02-16

录用日期: 2023-03-15

网络出版日期: 2023-08-23

基金资助

西宁市科学技术局重大科技专项-大尺寸硅单晶制备热场仿真优化与产业示范研究(2022-Z-03)资助

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Study on Preparation and Properties of Ni Coatings on Surface of C/C Composites Materials

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1.School of Mechanical Engineering，Qinghai University，Xining 810016，China；2.Qinghai Gokin Solar Technology Co.，Ltd.，Xining 810016，China

Received date: 2023-01-25

Revised date: 2023-02-16

Accepted date: 2023-03-15

Online published: 2023-08-23

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摘要

石墨材料作为单晶炉热场常用材料，直接影响单晶硅的生长速率和质量。采用C/C 复合材料代替单晶炉中石墨材料存在易氧化的缺陷，为此，利用电镀法在C/C 复合材料表面制备了Ni 涂层。利用正交试验确定最优电镀试验参数，通过X 射线衍射仪、扫描电子显微镜、EDS 等测试手段分析涂层的相组成、微观形貌和化学组成，并采用热冲击试验和热震性试验对所制备的涂层的抗热冲击性能进行研究。结果表明:电流密度0.4 A/dm2，电镀时间40 min，镀液温度55 ℃，pH 值6 条件下制备的涂层的耐磨性最佳。电镀处理后C/C 复合材料表面形成了一层均匀、与纤维表面结合紧密的镀层，镀层比较圆整。膜层成分中有大量Ni 元素存在。Ni 镀层提高了C/C 复合材料的抗高温氧化性能。

关键词： C/C 复合材料; Ni 涂层; 最优参数; 电镀

本文引用格式

杜超凡, 王珊, 宋生宏, 沈耀邦, 齐祖兴, 鞠昌健 . C/C 复合材料表面Ni 涂层的制备及性能研究[J]. 材料保护, 2023 , 56(7) : 127 -134 . DOI: 10.16577/j.issn.1001-1560.2023.0171

Abstract

Graphite materials，as the commonly used materials in the hot field of single crystal furnace，directly affect the growth rate and quality of single crystal silicon.The use of C/C composite materials instead of graphite materials in a single crystal furnace has defect that are prone to oxidation.Therefore，Ni coatings were prepared on the surface of the C/C composite materials using electroplating methods.Using orthogonal experiments to determine the optimal electroplating test parameters.The phase composition，microscopic morphology，and chemical composition of the coating were analyzed by X-ray diffractometer，scanning electron microscope，EDS and other testing methods.Besides，the thermal shock resistance of the prepared coating was investigated using thermal shock experiments and thermal shock resistance experiments.Results showed that under the conditions of current density of 0.4 A/dm2，electroplating time of 40 min，plating solution temperature of 55 ℃，and pH value of 6，the prepared coating had the best wear resistance.After plating treatment，a uniform and rounded coating which was tightly bonded to the fiber surface was formed on the surface of the C/C composite materials.There was a large amount of Ni in the composition of the film.Furthermore，Ni coating improved the high temperature oxidation resistance of C/C composite materials.

Key words： C/C composite materials; Ni coating; optimum parameters; electroplating

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