Evolution of Solidification Structures in Fe-Mn-Si-Cr Shape Memory Alloy in Centrifugal Casting
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- Ito Kenichiro
- Honda R&D Co. Ltd.
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- Sahara Ryoji
- Institute for Materials Research, Tohoku University
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- Farjami Susan
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Maruyama Tadakatsu
- Awaji Sangyo KK
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- Kubo Hiroshi
- Kanto Polytechnic University
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In aiming at obtaining thin columnar structures in the centrifugal casting of Fe-28Mn-6Si-5Cr (mass%) shape memory alloy (SMA), evolution of solidified macroscopic structures is investigated by solidification experiments and simulation using a coupled finite volume-cellular automaton (FV-CA) model.<BR>In the temperature gradient-crystal growth rate (G-V) diagram of solidification, the columnar to equi-axed transition (CET) line that indicates the boundary of two different structural regions is identified from the simulation calculation. The macroscopic structure of joining pipes of Fe-28Mn-6Si-5Cr SMA produced by centrifugal casting is elucidated to reside in a deep region of columnar structure in the G-V diagram. It is concluded that finer columnar structure could be obtained by increasing the rotation speed of centrifugal casting mould and by increasing the cooling rate of the casting.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 47 (6), 1584-1594, 2006
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204250782592
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- NII論文ID
- 130004453174
- 10018160700
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 7951140
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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