| Nd－Fe－B合金的组织与组成对其腐蚀行为的影响 |
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| 摘 要： | 研究了Ｎｄ－Ｆｅ－Ｂ合金的组织与组成对其腐蚀行为的影响。对Ｎｄ－Ｆｅ－Ｂ合金各主要组成相在纯水和ＮａＣｌ溶液中电位进行了测定，结果表明Ｅ（富Ｎｄ相）＜Ｅ（基体相）＜Ｅ（富Ｂ相）。Ｎｄ－Ｆｅ－Ｂ合金的腐蚀特征是晶界处的富钕相优先腐蚀，然后向晶粒内Ｎｄ２Ｆｅ（１４）Ｂ基体相扩展。环境腐蚀试验结果表明，Ｎｄ－Ｆｅ－Ｂ合金中加入Ｄｙ后，耐蚀性提高；加入Ａｌ后，则耐蚀性有所下降。
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| 关 键 词： | Nd－Fe－B合金，腐蚀，组织，组成 |
Effect of Structure and Composition on Corrosion Behavior of Nd-Fe-B Alloy |
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| Authors: | Guo Jiaju Zhang Huiwen Liu Yanchun Kong Qin Li Rui |
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| Institution: | Dept.of Surface Science and Corrosion Enginering |
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| Abstract: | The effects of composition and structure on corrosion behavior ofNd-Fe-B alloy have been studied.The potentials of all main phase of Nd-Fe-B alloy in pure water and NaCl solution were measured.The order of potential is E(Nd-rieh)
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| Keywords: | Nd-Fe-B alloy corrosion structure composition |
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