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Ta-10W/Ti的高温界面反应研究
引用本文:翟云霄,古一,黄璜,赵培新,黄继武,夏长清.Ta-10W/Ti的高温界面反应研究[J].材料导报,2016,30(24):103-107.
作者姓名:翟云霄  古一  黄璜  赵培新  黄继武  夏长清
作者单位:中南大学材料科学与工程学院,长沙 410083; 中南大学教育部有色金属材料科学与工程重点实验室,长沙 410083
基金项目:国家自然科学基金(51301210),中南大学贵重仪器设备开放共享基金
摘    要:采用多弧离子镀技术在金属钛表面成功制备出连续致密且厚度均匀的α-Ta相Ta-10W涂层。在900℃下分别对涂层进行高温氧化和真空扩散处理,通过XRD、SEM、EDS等分析测试手段对涂层的抗氧化性能及元素扩散行为进行研究。结果表明:在高温氧化过程中,存在氧化和扩散双重作用,涂层与基体间发生相互扩散且涂层表面形成氧化膜,致使涂层脆化,但涂层/基体界面处氧化不明显,说明Ta-10W涂层对基体起到了有效的抗氧化作用;在真空扩散过程中,Ta向基体中扩散较为剧烈且沿着逐渐趋直的α-Ti晶界进行扩散。

关 键 词:纯钛  多弧离子镀  Ta-1  0  W涂层  高温氧化  真空扩散

Study on Interface Reactions of Ta-10W Coatings and Titanium Substrate at High Temperature
ZHAI Yunxiao,GU Yi,HUANG Huang,ZHAO Peixin,HUANG Jiwu and XIA Changqing.Study on Interface Reactions of Ta-10W Coatings and Titanium Substrate at High Temperature[J].Materials Review,2016,30(24):103-107.
Authors:ZHAI Yunxiao  GU Yi  HUANG Huang  ZHAO Peixin  HUANG Jiwu and XIA Changqing
Affiliation:School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083,School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083,School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083,School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083,School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083 and School of Material Science and Engineering, Central South University, Changsha 410083;Key Laboratory of Nonferrous Metals Materials Science and Engineering of Ministry of Education, Central South University, Changsha 410083
Abstract:Ta-10W coatings were successfully deposited on commercially pure titanium substrate by multi-arc ion plating technology.The samples were processed with thermal oxidation or vacuum diffusion at 900 ℃.The micro-structure and morphology of the samples and anti-oxidation property of the coatings were investigated by means of X-ray diffraction (XRD),scanning electronic microscope (SEM)and energy dispersive spectrometer (EDS).The results showed that oxide layer formed on the surface after thermal oxidation,however oxygen could hardly generate between coating and commercially pure titanium.During the vacuum heat treatment,the thickness of diffusion layer increased, and the elements diffuse through the grain boundary ofα-Ti.
Keywords:pure titanium  multi-arc ion plating  Ta-10W coating  thermal oxidation  vacuum diffusion
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