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	金属颗粒磁带宏观性质的细观力学估计
	夏强平 ; 韦丹 ; 徐志平 ; 郑泉水 ; Xia Qiangping ; Wei Dan ; Xu Zhiping ; Zheng Quanshui
	2010-06-08 ; 2010-06-08
关键词	复合材料 有效性质 金属颗粒磁带 IDD估计 磁滞回线 composites, effective properties, MP tape, IDD estimate, M-H loop TG111
其他题名	ESTIMATE OF EFFECTIVE PROPERTIES OF METAL PARTICLE TAPE BASED ON MICROMECHANICS
中文摘要	金属颗粒之间的磁场相互作用对金属颗粒磁带的高密度记录性能有显著的影响．为了有效地估计该影响,在单畴颗粒的Stoner-Wohlforth模型基础上将新近提出的细观力学相互作用直推法(Zheng ＆ Du,J． Mech．Phys．Solid．2001)推广到非均匀磁记录材料中,得到了磁带宏观性质的率形式解析表达,能有效地计及颗粒之间的相互作用、颗粒形状的统计分布和体积分数对磁介质性能的影响．得到的理论结果与数值模拟和有关的实验观测结果相当一致．; The magnetic interaction of the particles has significant effects on the effective properties of highdensity recording tape. The interaction direct derivation (IDD) estimate based on the single particle's Stoner-Wohlforth model is generalized in this paper. The generalized IDD (GIDD) estimate, based on micromagnetic theory, is found very close to the results of related experiments and numerical simulations. We show that the IDD (GIDD) estimate has a simple and explicit structure, with clear physical meanings for all involved components, valid for multiphase composites of nonlinear materials, and the influence of various inclusion distribution can be taken into account.
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/51097]
专题	清华大学
推荐引用方式 GB/T 7714	夏强平,韦丹,徐志平,等. 金属颗粒磁带宏观性质的细观力学估计[J],2010, 2010.
APA	夏强平.,韦丹.,徐志平.,郑泉水.,Xia Qiangping.,...&Zheng Quanshui.(2010).金属颗粒磁带宏观性质的细观力学估计..
MLA	夏强平,et al."金属颗粒磁带宏观性质的细观力学估计".(2010).

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