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钛合金熔模精密铸件表面质量提升工艺性研究
Study on Surface Quality Improvement of Titanium Alloy Investment Casting
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- DOI:
- 作者:
- 李伟东 刘茵琪 田永武
LI Weidong;LIU Yinqi;TIAN Yongwu
- 作者单位:
- 洛阳双瑞精铸钛业有限公司 中国船舶重工集团公司第七二五研究所
Luoyang Shuangrui Titanium Precision Casting Co.,Ltd.,Luoyang 471003,China;Luoyang Ship Materials Research Institute,Luoyang 471023,China
- 关键词:
- 钛合金 表面裂纹 熔模精密铸造
titanium alloy surface crack investment casting
- 摘要:
- 研究并优化了钛合金熔模精密铸件工艺,解决了钛合金熔模精密铸件表面质量差的问题。分析了钛合金熔模精密铸件表面缺陷的类型,研究了缺陷产生的机理,并进行了实验验证。结果表明,浆液温度对型壳质量及钛合金熔模精密铸件表面质量具有重要影响。其它工艺参数不变的情况下,浆液温度为20~23℃时能获得表面质量较好的钛合金熔模铸件。
The technology of titanium alloy investment die casting was studied and optimized, and the problem of poor surface quality of titanium alloy investment die casting was solved. The types of surface defects in titanium alloy investment die precision casting were analyzed, and the mechanism of defects was studied, experimental verification was carried out. The results show that the slurry temperature has an important influence on the shell quality and the surface quality of titanium alloy investment casting. The high surface quality titanium alloy investment casting can be obtained when the slurry temperature is 20~23 ℃.