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热喷涂技术:2024,16(1):48-56
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NiCrFeAl-BN涂层和NiCrFeAl-B.e涂层对磨TC11合金可磨耗性能研究
王森源1, 丁宁2, 汤智慧1, 陈立3, 李彰1, 王长亮1, 房永超1, 田浩亮1
(1.中国航发北京航空材料研究院;2.空装驻北京地区第六军事代表室;3.中国石油长庆油田分公司 第六采油厂)
Study on the Wearability of NiCrFeAl BN Coating and NiCrFeAl B.e Coating for Grinding TC11 Alloy
Wang Senyuan1, Ding Ning2, LI Zhang1, TANG Zhihui1, CHEN Li3, Wwang Changliang1, Fang Yongchao1, Tian Haolaing1
(1.AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALS;2.No Military representative office in Beijing region;3.The Sixth Oil Production Plant of China Petroleum Changqing Oilfield Company)
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投稿时间:2024-03-11    修订日期:2024-03-13
中文摘要: 采用等离子制备NiCoCrAlY底层和YSZ中间层,火焰喷涂制备镍基氮化硼(NiCrFeAl-BN)和镍基膨润土(NiCrFeAl-B.e)面层可磨耗封严涂层。在高温超高速可磨耗试验机上进行涂层与TC11模拟叶片对磨,设置室温和600℃,不同进给速率条件,对两种涂层进行可磨耗性能评价。研究结果表明:进给速率对两种涂层刮削后微观形貌影响较大,但对封严层厚度影响较小。温度提高,对两种涂层破坏作用都有所增加,可磨耗性能下降。相同工况下NiCrFeAl-BN涂层的可磨耗性均优于NiCrFeAl-B.e涂层,但对磨后的叶片高度磨损比(IDR)值仍较大,在叶片叶尖电镀BN涂层后,进给速率为5μm/s时,IDR由16.05%变为8.04%,起到一定保护叶片的作用。
中文关键词: 热喷涂  封严涂层  可磨耗性能  刮削
Abstract:NiCoCrAlY bottom layer and YSZ intermediate layer were prepared by plasma, and nickel-based boron nitride (NiCrFeAl-BN) and nickel-based bentonite (NiCrFeAl-B.e) top wearable sealing coatings were prepared by flame spraying. Ginding the coatings against TC11 simulated blades was carried out on a high temperature super high speed test rig, setting room temperature and 600°C, and different feed rate conditions. The two coatings were evaluated for their abradability at room temperature and 600°C with different feed rates. The results show that the feed rate has a greater effect on the microstructure of the two coatings after scraping, but has a smaller effect on the thickness of the sealing layer. The increase of temperature improves the destructive effect of both coatings, and the abradability decreases. The abradability of NiCrFeAl-BN coating is better than that of NiCrFeAl-B.e coating under the same working condition, but the value of the height-dependent wear ratio (IDR) of the blades is still larger after grinding against the blades. After the blades were electroplated with the BN coating, the IDR changes from 16.05% to 8.04% with a feed rate of 5 μm/s, which plays a certain role in protecting the blade.
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基金项目:国家重点研发计划(2021YFB3702000);国家科技重大专项(2017-VII-0012-0109); 国家自然科学基金(52075508)
引用文本:
王森源,丁宁,汤智慧,陈立,李彰,王长亮,房永超,田浩亮.NiCrFeAl-BN涂层和NiCrFeAl-B.e涂层对磨TC11合金可磨耗性能研究[J].热喷涂技术,2024,16(1):48-56.
Wang Senyuan,Ding Ning,TANG Zhihui,CHEN Li,LI Zhang,Wwang Changliang,Fang Yongchao,Tian Haolaing.Study on the Wearability of NiCrFeAl BN Coating and NiCrFeAl B.e Coating for Grinding TC11 Alloy[J].Thermal Spray Technology,202416(1):48-56.

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