Development of a novel magnetostractive material using the exchange softening effect by magnetostriction
利用磁致伸缩交换软化效应开发新型磁致伸缩材料
基本信息
- 批准号:23760287
- 负责人:
- 金额:$ 2.83万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Young Scientists (B)
- 财政年份:2011
- 资助国家:日本
- 起止时间:2011 至 2012
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Although Fe-Ga ribbons with some additives were investigated for refining the grain size, the research target was shifted from the ribbons to the Fe-Ga films since some unrequired crystalline phases were observed in the annealed ribbons. Electrodeposited Fe-Ga films are rarely reported since gallium is very difficult to electrodeposit from aqueous solutions. In this study, we investigated magnetic and structural properties of the Fe-Ga film prepared from a new plating bath without toxic substances specified by an Ordinance of the Ministry of the Environment in Japan. Consequently, thick Fe-Ga films with the suitable Ga content range from 10 to 35 at.% were obtained. Refinement of grain size in the electrodeposited films by additives is one of our future works. In order to clarify the relationship between microstructure and magnetic property in an Fe-Ga alloy, grain size dependence of coercivity was simulated. Consequently, it is found that the coercivity of the Fe-Ga alloy decreases slightly with decreasing the grain size whereas the coercivity of Terfenol-D decreases drastically.
尽管研究了添加一些添加剂的Fe-Ga带材来细化晶粒尺寸,但由于在退火带材中观察到了一些不需要的晶相,因此研究目标从带材转移到Fe-Ga薄膜。由于镓很难从水溶液中电沉积,因此电沉积 Fe-Ga 薄膜很少有报道。在这项研究中,我们研究了由日本环境省条例规定的不含有毒物质的新型电镀浴制备的 Fe-Ga 薄膜的磁性和结构特性。因此,获得了合适的Ga含量范围为10至35 at.%的厚Fe-Ga薄膜。通过添加剂细化电镀膜中的晶粒尺寸是我们未来的工作之一。为了阐明 Fe-Ga 合金的微观结构和磁性能之间的关系,对矫顽力的晶粒尺寸依赖性进行了模拟。结果发现,随着晶粒尺寸的减小,Fe-Ga合金的矫顽力略有下降,而Terfenol-D的矫顽力则急剧下降。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Electrodeposited Fe-Ga films
电沉积 Fe-Ga 薄膜
- DOI:
- 发表时间:2013
- 期刊:
- 影响因子:0
- 作者:T. Yanai; T. Kawaguchi; T. Shimokawa; Y. Watanabe; M. Nakano; K. Suzuki; H. Fukunaga
- 通讯作者:H. Fukunaga
Electrodeposited Fe-Ga films prepared from citric acid based bath
柠檬酸浴制备电沉积 Fe-Ga 薄膜
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:T. Yanai; T. Kawaguchi; M. Nakano; K. Suzuki; H. Fukunaga
- 通讯作者:H. Fukunaga
Electrodeposited Fe-Ga films prepared from citric acid based bath
柠檬酸浴制备电沉积 Fe-Ga 薄膜
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:Tekeshi Yanai
- 通讯作者:Tekeshi Yanai
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YANAI Takeshi其他文献
YANAI Takeshi的其他文献
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{{ truncateString('YANAI Takeshi', 18)}}的其他基金
Magnetic films electroplated in a deep-eutectic-solvent-based plating bath
在深共晶溶剂型电镀浴中电镀磁性薄膜
- 批准号:
26420274 - 财政年份:2014
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Theory and its applications based on density matrix renormalization group for multiple-electronic-state chemical processes
基于密度矩阵重整化群的多电子态化学过程理论及其应用
- 批准号:
25288013 - 财政年份:2013
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of novel soft magnetic materials with controlled permeability and application of their materials
新型可控磁导率软磁材料的研制及其应用
- 批准号:
21760235 - 财政年份:2009
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Method development and applications for analysis of strongly-correlated many-electron excitation states of large-scaleπconjugate systems with high-accuracy multireference theory
高精度多参考理论分析大规模π共轭体系强相关多电子激发态方法开发及应用
- 批准号:
21550027 - 财政年份:2009
- 资助金额:
$ 2.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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