自然科学研究

复合增材制造TC4合金耐腐蚀性能研究

盖文卓 (华中科技大学机械工程学院), 翟文正 (华中科技大学机械工程学院)

摘要


钛合金是一种应用领域广泛的重要金属，为探索复合增材制造技术制成的TC4钛合金的耐腐蚀性能，本论文对不同工艺复合增材制造TC4钛合金进行了多种电化学腐蚀测试，研究结果表明：振荡激光-轧制高送丝速率（LAM-10）试样表现出优秀的耐腐蚀性能，腐蚀电流密度（Icorr）仅9.387×10-9A·cm-2，电荷转移电阻（Rct）高达7.686×105Ω，表明其钝化膜稳定程度高。未轧制试样耐腐蚀性能普遍优于轧制试样，即轧制工艺对耐腐蚀性能起到削弱作用。

关键词


复合增材制造；TC4合金；电化学腐蚀；耐腐蚀性能

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参考


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DOI: https://doi.org/10.33142/nsr.v2i3.17712

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