Filling system for investment cast Ni-base turbine blades
文献类型：期刊论文
| 作者 | D. Z. Li ; J. Campbell ; Y. Y. Li |
| 刊名 | Journal of Materials Processing Technology
 |
| 出版日期 | 2004 |
| 卷号 | 148期号:3页码:310-316 |
| 关键词 | investment casting Ni-base turbine blade defects alloys |
| ISSN号 | 0924-0136 |
| 中文摘要 | In investment foundries, it is usual to pay relatively little attention to the design of the filling system of a casting. Vacuum-cast turbine blades represent a typical case, where the mould filling process is poorly controlled, the mould cavities themselves often being top-filled. The consequential surface turbulence causes the entrapment of oxide film on the liquid surface, despite the use of vacuum melting and pouring. In this work, bottom filling principles were used to minimize turbulence. X-ray radiographic video was used to observe and compare the filling of both bottom- and top-filled moulds. Ni-based alloy investment-cast blades melted and cast in vacuum clearly validated the bottom filling design. Compared to conventional top filling in vacuum, dye penetrant indications were reduced by approximately a factor of 10, and hot cracking appeared to be eliminated. (C) 2004 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35403]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | D. Z. Li,J. Campbell,Y. Y. Li. Filling system for investment cast Ni-base turbine blades[J]. Journal of Materials Processing Technology,2004,148(3):310-316. |
| APA | D. Z. Li,J. Campbell,&Y. Y. Li.(2004).Filling system for investment cast Ni-base turbine blades.Journal of Materials Processing Technology,148(3),310-316. |
| MLA | D. Z. Li,et al."Filling system for investment cast Ni-base turbine blades".Journal of Materials Processing Technology 148.3(2004):310-316. |
入库方式： OAI收割
来源：金属研究所
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