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铝过渡层沉积CVD金刚石涂层的研究 被引量:1

Study of CVD diamond coating on Cemented Carbide of PVD-sputtered Al interlayer
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摘要 使用Murakami溶液和王水预处理高钴硬质合金刀片,并用直流磁控溅射(DCS)技术在此硬质合金上溅射铝过渡层,在热丝化学气相沉积(HFCVD)设备里沉积金刚石薄膜;分析了金刚石形核机理,并利用SEM以及Raman等方法表征试样。结果表明:与未溅射过渡层的样品相比,在过渡层上的金刚石形核密度更高,金刚石颗粒尺寸更加细小。 The WC-10%Co cutting tool material is pre-treated by Murakami solution and aqua regia; then aluminum(Al) is sputtered on the hard-metal by direct current magnetron sputtering (DCS) technology. Diamond thin films are deposited on the cemented car- bide by hot filament chemical vapor deposition (HFCVD) process. The diamond nucleation mechanism on the hard-metal is ana- lyzed. The results show that as compared with uncoated Al interlayer sample, its diamond nucleation density is higher and the dia- mond grain size is smaller.
出处 《机械制造与自动化》 2012年第3期27-29,42,共4页 Machine Building & Automation
基金 国家自然科学基金(No.51005117) 国家自然科学基金(No.51075211) 南京航空航天大学2010年度研究生创新基金
关键词 直流磁控溅射技术 铝中间层 金刚石薄膜 高钴硬质合金 DCS, AI interlayer diamond thin film cemented carbide
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