A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification
CC-BY
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| Định dạng: | Sách |
| Ngôn ngữ: | English |
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Springer
2023
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| Truy cập trực tuyến: | https://link.springer.com/article/10.1007/s11661-023-07194-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8992 |
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oai:localhost:PNK-89922023-09-14T03:17:16Z A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification D’Souza, N. Edmonds, I. M. Perry, M. Crystallographic Basis CC-BY A crystallography-based method is presented for the critical appraisal of possible mechanisms that trigger the formation of secondary grains during directional solidification. The method permits an analysis of a large population of defects, while avoiding the pitfalls of the metallographic sectioning approach that is affected by dendrite stereology. Here, the nickel-base superalloy CMSX-4, an alloy commonly used for single crystal turbine blade applications, is studied. All secondary grains originate exclusively at the external surface and when the off-axial primary ⟨001⟩ crystal orientations are measured, are evident at both the converging and diverging dispositions of the single crystal primary dendrites without a noticeable bias. Almost all of the secondary grains have low misorientations, with an average misorientation between 5 to 15 deg. 2023-09-14T03:17:16Z 2023-09-14T03:17:16Z 2023 Book https://link.springer.com/article/10.1007/s11661-023-07194-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8992 en application/pdf Springer |
| institution |
Digital Phenikaa |
| collection |
Digital Phenikaa |
| language |
English |
| topic |
Crystallographic Basis |
| spellingShingle |
Crystallographic Basis D’Souza, N. Edmonds, I. M. Perry, M. A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| description |
CC-BY |
| format |
Book |
| author |
D’Souza, N. Edmonds, I. M. Perry, M. |
| author_facet |
D’Souza, N. Edmonds, I. M. Perry, M. |
| author_sort |
D’Souza, N. |
| title |
A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| title_short |
A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| title_full |
A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| title_fullStr |
A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| title_full_unstemmed |
A Crystallographic Basis for Critically Evaluating the Mechanisms for Secondary Grain Formation During Directional Solidification |
| title_sort |
crystallographic basis for critically evaluating the mechanisms for secondary grain formation during directional solidification |
| publisher |
Springer |
| publishDate |
2023 |
| url |
https://link.springer.com/article/10.1007/s11661-023-07194-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8992 |
| _version_ |
1779307145318105088 |
| score |
8.881002 |