| 高速钢中碳化相的恒电位单相显示 |
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| 引用本文： | 马翔,罗素绢.高速钢中碳化相的恒电位单相显示[J].物理测试,1995(6):31-34,11. |
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| 作者姓名： | 马翔 罗素绢 |
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| 作者单位： | 冶金部钢铁研究总院，冶金部钢铁研究总院 北京 100081，北京 100081 |
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| 摘 要： | 利用恒电位浸蚀与伏安法研究了高速钢中碳化物相Ｍ６Ｃ，ＭＣ，Ｍ２３Ｃ６１（Ｍ７Ｃ３）的单相浸蚀条件。它可作这些碳化物观察和鉴定。
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| 关 键 词： | 金相分析 高速钢 碳化物 示差浸蚀 恒电位法 |
Single /Phase Etching of Carbides in High /Speed Steels |
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| Ma Xing and Luo Sujuan,Central Iron and Steel Research Institute,Beijing.Single /Phase Etching of Carbides in High /Speed Steels[J].Physics Examination and Testing,1995(6):31-34,11. |
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| Authors: | Ma Xing and Luo Sujuan Central Iron and Steel Research Institute Beijing |
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| Affiliation: | Ma Xing and Luo Sujuan,Central Iron and Steel Research Institute,Beijing,100081 |
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| Abstract: | The single - phase etching conditions of carbides M6C ,MC ,M23C6. and M7C3 in high - speed steel have been studied by volt - ampere and potentiostatic method. M6C can be etched individually as -100mV(SCE) in 10%NaOH 1 %tartaric acid.MC can be etched individually at 1300mV(SCE)in 1 %CrO3 solution. M23C6and MTC3 can be etched individually at - 200mV(SCE) in 5%NH4AC solution. The specimen that exhibits a single carbide can be used for the morphology observation of the carbide. The volt - ampere curve caused by electrochemical dissolvation of a single carbide can be used for the identification of the carbide. The method is capable to give a large amount of information about microstructure in metals. |
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| Keywords: | metallography phase analysis high - speed steel |
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