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BONDED La(Fe,Si)13-BASED MAGNETOCALORIC MATERIAL AND PREPARATION AND USE THEREOF

  • US 20150047371A1
  • Filed: 05/17/2012
  • Published: 02/19/2015
  • Est. Priority Date: 11/22/2011
  • Status: Active Grant
First Claim
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1. A high-strength, bonded La (Fe, Si)13-based magnetocaloric material, comprising magnetocaloric alloy particles and an adhesive agent, wherein, the magnetocaloric alloy particles have a particle size in the range of ≦

  • 800 μ

    m and are bonded into a massive material by the adhesive agent;

    wherein, the magnetocaloric alloy particles have a NaZn13-type structure and are represented by a chemical formula;


    La1-xRx(Fe1-p-qCopMnq)13-ySiyAα

    ,wherein,R is one or more selected from elements Ce, praseodymium (Pr) and Nd,A is one or more selected from elements C, H and B,x is in the range of 0≦

    x≦

    0.5,y is in the range of 0.8≦

    y≦

    2,p is in the range of 0≦

    p≦

    0.2,q is in the range of 0≦

    q≦

    0.2,α

    is in the range of 0≦

    α



    3.0.

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