Abstract
A novel packing pattern and local primary dendrite arm spacing (PDAS) algorithm, Shape-Limited Primary Spacing (SLPS), is applied to single crystal CMSX-10® Ni-base superalloy. The characterisation technique is rapid, repeatable and comparable, enabling the standardisation of single crystal microstructure analysis. It is deduced, that the increase in local PDAS range observed within the last to solidify sections of the CMSX-10® sample used this study, is due to lateral macrosegregation. SLPS enables quantification of the influence of the processing parameters on resultant packing patterns and local PDAS distribution. Through refinement of local PDAS, deleterious non-hexagonal pattern formation can be reduced. SLPS permits the optimisation of single crystal microstructure and the development of superior quality components.
| Original language | English |
|---|---|
| Article number | 012006 |
| Journal | IOP Conference Series: Materials Science and Engineering |
| Volume | 947 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 7 Oct 2020 |
| Event | 2020 3rd International Conference on Mechanical Manufacturing and Industrial Engineering, MMIE 2020 - Tokyo, Japan Duration: 26 Aug 2020 → 28 Aug 2020 |
Bibliographical note
Publisher Copyright:© Published under licence by IOP Publishing Ltd.
ASJC Scopus subject areas
- General Materials Science
- General Engineering
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