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    • 20. 发明公开
    • COLD-ACCUMULATING MATERIAL AND COLD-ACCUMULATING REFRIGERATOR
    • KÄLTESPEICHERNDES材料在KÄLTESPEICHERNDERKÜHLSCHRANK
    • EP0947785A1
    • 1999-10-06
    • EP98947963.9
    • 1998-10-20
    • KABUSHIKI KAISHA TOSHIBA
    • OKAMURA, MasamiARAI, TomohisaHASHIMOTO, Keisuke
    • F25B9/00
    • H01F1/015F25B9/14F25B2309/003H01F1/0009
    • A cold accumulating material comprising magnetic substance expressed by the general formula:

              RCu 1-x M 1+x      (1)

      wherein R denotes at least one of rare earth element selected from the group consisting of Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Er, Ho, Tm and Yb, M denotes at least one element selected from the group consisting of Ag, Au, Al, Ga, In, Ge, Sn, Sb, Si, Bi, Ni, Pd, Pt, Zn, Co, Rh, Ir, Mn, Fe, Ru, Cr, Mo, W, V, Nb, Ta, Ti, Zr and Hf, and wherein Ni and Ge are not simultaneously selected, and x in atomic ratio satisfies a relation: -0.95 ≦ x ≦ 0.90. According to the above structure, there can be provided a cold accumulating material and a refrigerator using the cold accumulating material capable of exhibiting a remarkable and stable refrigerating performance at an extremely low temperature for a long time.
    • 一种由以下通式表示的磁性物质的蓄冷材料:RCu1-xM1 + x其中R表示选自Y,La,Ce,Pr,Nd,Pm,Sm,Eu中的至少一种稀土元素, Gd,Tb,Dy,Er,Ho,Tm和Yb中的至少一种元素,M表示选自Ag,Au,Al,Ga,In,Ge,Sn,Sb,Si,Bi,Ni, Pt,Zn,Co,Rh,Ir,Mn,Fe,Ru,Cr,Mo,W,V,Nb,Ta,Ti,Zr和Hf,其中不同时选择Ni和Ge, 一个关系:-0.95