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首页> 外文会议>Materials Science Technology Conference and Exhibition >Effect of Calcia on the Sintering of yttria and its Corrosion Resistance to Molten Titanium
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Effect of Calcia on the Sintering of yttria and its Corrosion Resistance to Molten Titanium

机译：钙化钙对旱轧酵母烧结的影响及其对熔融钛的耐腐蚀性

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摘要

In order to improve the thermal shock resistance of yttria by forming coarse grain with closed pores, a proper additive was firstly selected among calcium nitrate, cerium nitrate, and neodymium nitrate. Then, the effect of calcia on the grain growth of yttria was investigated. Finally, the corrosion resistance of the fabricated yttria crucible was compared with pure calcia, and magnesia crucible. The results reveled that by adding lmol% calcia, lots of closed pores were distributed in coarse yttria grains and the composite had superior thermal shock resistance and excellent corrosion resistance with titanium alloy. The developed yttria was proposed as crucible for melting and casting of pure titanium and its alloys.
机译：为了通过用闭合孔形成粗粒来改善ytTria的热抗冲击性，在硝酸钙，硝酸钙和硝酸钡中首先选择适当的添加剂。然后，研究了钙化对氧化钇籽粒生长的影响。最后，将制造的氧化钇坩埚的耐腐蚀性与纯钙化钙和镁质坩埚进行了比较。通过添加Lmol％氧化性的结果，通过加入Lmol％氧化物，在粗ytTria晶粒中分布了大量闭合孔，并且复合材料具有卓越的耐热抗震性和与钛合金的优异耐腐蚀性。开发的yttria被提出为熔化和浇铸纯钛及其合金的坩埚。

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