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铸造高温合金熔炼过程中增硼现象研究与分析
Research and Analysis on the Phenomenon of Boron Increase in the Melting Process of Casting Superalloy
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- DOI:
- 作者:
- 逯红果 1 ， 2 ，马中钢 2 ，李化坤 2 ，徐 琳 2 ，王光华 2 ，李道乾 2 ，殷凤仕
LU Hongguo 1,2 , MA Zhonggang 2 , LI Huakun 2 , XU Lin 2 , WANG Guanghua 2 , LI Daoqian 2 , YIN Feng
- 作者单位:
- 1.山东理工大学 机械工程学院，山东 淄博 255049；2.山东瑞泰新材料科技有限公司，山东 淄博 256100
1. School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China; 2. Shandong Ruitai New Material Technology Co., Ltd., Zibo 256100, China
- 关键词:
- 真空熔炼；增硼；铸造高温合金
vacuum melting; increase boron; casting high temperature alloy
- 摘要:
- 采用 500 kg 真空感应熔炼炉、光谱仪研究了铸造高温合金熔炼过程中增硼问题，并分析了熔炼铸造高温
合金增硼的原因。结果表明：铸造高温合金在采用含有硼酸夯筑成型的氧化镁坩埚熔炼过程中， C 和 Al 、 Ti 会与 B 2 O 3 发
生反应，导致合金中硼元素增加。 但是，随着坩埚使用次数的增加，碳和铝、钛会与 B 2 O 3 反应减弱，合金中硼元素趋于稳
定值。
A 500 kg vacuum induction melting furnace and spectrometer were used to study boron addition in casting
superalloy smelting process, and the causes of boron addition in casting superalloy were analyzed. The results show that C,
Al and Ti will react with B 2 O 3 during the crucible melting of cast superalloy made of rammed magnesium oxide containing
boric acid, resulting in the increase of boron element in the alloy. However, with the increase of crucible usage, the
reaction of carbon, aluminum and titanium with B 2 O 3 weakens, and the boron element in the alloy tends to be stable.