3、Co3O4,且隨著溫度的升高,氧化反應(yīng)更加劇烈；而陶瓷刀具中只有TiC被氧化成了TiO2,表現(xiàn)出較好的抗氧化性能；三種刀具材料的抗氧化性的順序?yàn)椋禾沾傻毒撸就繉佑操|(zhì)合金＞YG8。"/>

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高溫合金Inconel625切削用刀具材料抗氧化性能研究
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哈爾濱理工大學(xué),哈爾濱理工大學(xué),哈爾濱理工大學(xué),哈爾濱理工大學(xué),哈爾濱理工大學(xué),哈爾濱理工大學(xué)

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TG113 .23

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國(guó)家科技重大專項(xiàng)(2014ZX04012011)


Study on the Antioxidant Properties of Tool Material Used for Cutting Inconel625
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Harbin University of Science and Technology,Harbin University of Science and Technology,Harbin University of Science and Technology,Harbin University of Science and Technology,Harbin University of Science and Technology,Harbin University of Science and Technology

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    摘要:

    通過(guò)化學(xué)熱力學(xué)從理論上推導(dǎo)高溫合金Inconel625切削用刀具材料在高溫下可能發(fā)生的氧化反應(yīng),選用硬質(zhì)合金(YG8)、涂層硬質(zhì)合金和陶瓷三種刀具材料,利用高溫加熱爐對(duì)不同刀具材料進(jìn)行抗氧化實(shí)驗(yàn),并對(duì)高溫氧化產(chǎn)物進(jìn)行掃描電鏡(SEM)和X射線衍射(XRD)分析。結(jié)果表明: 在高溫氧化試驗(yàn)中,YG8和涂層硬質(zhì)合金的刀具材料中的WC和Co部分被氧化成WO3、Co3O4,且隨著溫度的升高,氧化反應(yīng)更加劇烈；而陶瓷刀具中只有TiC被氧化成了TiO2,表現(xiàn)出較好的抗氧化性能；三種刀具材料的抗氧化性的順序?yàn)椋禾沾傻毒撸就繉佑操|(zhì)合金＞YG8。

    Abstract:

    The oxidation reactions of different tool materials under high temperature were derived from the theory of Gibbs free energy function, and the experimental study on the high temperature oxidation of tool materials was carried out. Cemented carbide (YG8), coated cemented carbide and ceramic tool materials were used in this study, and the oxidation products under high temperature were analyzed by SEM and XRD. The results showed that the WC and Co were oxidized into WO3, Co3O4 respectively in the high temperature oxidation tests. With the increase of temperature, oxidation behavior is more severe. For the ceramic tool, onlyTiC is oxidized into TiO2, which showed very good antioxidant properties. The order of oxidation resistance of the three kinds of tool materials is as follows: Ceramic Cutting Tools > Coated Cemented Carbide > YG8.

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劉二亮,劉 霞,趙立國(guó),韓甲棟,王騰達(dá),劉獻(xiàn)禮.高溫合金Inconel625切削用刀具材料抗氧化性能研究[J].稀有金屬材料與工程,2018,47(7):2192~2197.[Liu Erliang, Liu Xia, Zhao Liguo, Han Jiadong, Wang Tengda, Liu Xianli. Study on the Antioxidant Properties of Tool Material Used for Cutting Inconel625[J]. Rare Metal Materials and Engineering,2018,47(7):2192~2197.]
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  • 收稿日期:2016-07-17
  • 最后修改日期:2016-09-26
  • 錄用日期:2016-10-18
  • 在線發(fā)布日期: 2018-10-10
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