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ALLOY CONTAINING RARE EARTH ELEMENT, PRODUCTION METHOD THEREOF, MAGNETOSTRICTIVE DEVICE, AND MAGNETIC REFRIGERANT MATERIAL
ALLOY CONTAINING RARE EARTH ELEMENT, PRODUCTION METHOD THEREOF, MAGNETOSTRICTIVE DEVICE, AND MAGNETIC REFRIGERANT MATERIAL
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机译:包含稀土元素的合金,其制备方法,磁致伸缩装置和磁性制冷剂材料
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摘要
An RE-containing alloy, which is represented by a compositional formula of RrTtAa (wherein R represents at least one rare earth element selected from among La, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Tm, Yb, Gd, and Lu; T collectively represents transition metal elements containing at least Fe atoms, a portion of the Fe atoms being optionally substituted by at least one species selected from among Co, Ni, Mn, Pt, and Pd; A represents at least one element selected from among Al, As, Si, Ga, Ge, Mn, Sn, and Sb; and r, t, and a have the following relationships: 5.0 at. %≦r≦6.8 at. %, 73.8 at. %≦t≦88.7 at. %, and 4.6 at. %≦a≦19.4 at. %) and having an alloy microstructure containing an NaZn13-type crystal structure in an amount of at least 85 mass % and α-Fe in an amount of 5-15 mass % inclusive.
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机译:含稀土的合金,由R r Sub> T t Sub> A a Sub>的组成式表示(其中R表示至少一种稀土元素选自La,Ce,Pr,Nd,Sm,Eu,Tb,Dy,Ho,Tm,Yb,Gd和Lu; T共同表示至少包含Fe原子的过渡金属元素,一部分Fe原子为任选地被选自Co,Ni,Mn,Pt和Pd中的至少一种取代; A表示选自Al,As,Si,Ga,Ge,Mn,Sn和Sb中的至少一种元素;和r, t和a具有以下关系:5.0at。%≤r≤6.8at。%,73.8at。%≤t≤88.7at。%和4.6at。%≤a≤19.4at。%)并且具有合金含有至少85质量%的NaZn 13 Sub>型晶体结构和5〜15质量%的α-Fe的微结构。
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