0.5%アルミニウム鉄の単結晶および多結晶の抗磁力とそれらに対する消磁方法の影響

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タイトル別名
  • Coercive Force and Its Dependence on the Method of Demagnetization in Single Crystals and Polycrystals of 0.5 Percent Aluminium Iron
  • 0.5 アルミニウムテツ ノ タンケッショウ オヨビ タケッショウ ノ コウジリョク ト ソレラ ニ タイスル ショウジホウホウ ノ エイキョウ

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抄録

The coercive force, Hc, have been studied at orinary temperatures, using the ballistic method, with single crystal and polycrystal rods of iron containing 0.53%Al in thermally demagnetized (TD) state and in alternating-current demagnetized (AD) state. It has been found that, in both of single crystals and polycrystal, irrespective of crystal orientation, (Hc)TD=(Hc)AD and, irrespective of the method of demagnetization, Hc[100]<Hc[110]<Hc[111], and (Hc)poly>(Hc)single. For both TD and AD states, the observed anisotropy of Hc is expressed well by the formula Hc=Hc[100](∑iβi⁄∑iβ3i) β1, β2, and β3 are the direction cosines of the rod axis of a single crystal specimen), which is derived from Kondorsky-Vonsovsky’s theory for the case where the assembly of 180° domains is present and Kaya’s rule for the residual magnetization holds. The observed relation between polycrystal and single crystal data may be interpreted in terms of the magnetic interaction between crystal grains.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (7), 446-448, 1961

    公益社団法人 日本金属学会

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