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    • 2. 发明申请
    • Nd-based two-phase separation amorphous alloy
    • 基于Nd的两相分离非晶合金
    • US20090260720A1
    • 2009-10-22
    • US12320950
    • 2009-02-10
    • Eun Soo ParkHye Jung ChangDo Hyang KimEun Young JeongJin Kyu LeeHwi Jun KimJung Chan Bae
    • Eun Soo ParkHye Jung ChangDo Hyang KimEun Young JeongJin Kyu LeeHwi Jun KimJung Chan Bae
    • C22C45/00
    • C22C1/002C22C45/00C22C45/003C22C45/02
    • Provided is a Nd-based two-phase separation amorphous alloy by adding an element having a big difference in heat of mixing in a Nd-based alloy with a superior amorphous formability through an inherent characteristic of compositional elements and consideration of thermodynamics, at the time of forming amorphous phase, to thereby enable two-phase separation amorphous alloy during solidification. The Nd-based two-phase separation amorphous alloy is represented as a general equation Nd100-a-b(TM)a(D)b wherein TM is a combination selected from A-B, A-C and B—C when an element group of A consists of Y, Ti, Zr, La, Pr, Gd and Hf, an element group of B consists of Fe and Mn, and an element group of C consists of Co, Ni, Cu and Ag, wherein the content of the element group which constitutes the combination is 5 atomic weight % or greater, and the element selected from each of the element group is at least one element, and the content of one element selected from each of the element group does not exceed 50 atomic weight %, wherein the content of the element group of B is less than that of the element group of C when TM is a B—C combination, and wherein D is at least one selected from the group consisting of Al, B, Si and P, and a and b have the range of 20≦a≦70, 5≦b≦30, and a+b≧40 in terms of atomic weight %.
    • 提供了一种Nd基二相分离非晶合金,通过在Nd基合金中通过组成元素的固有特性和热力学的考虑,在Nd基合金中添加具有大的混合热差的元素和优异的非晶形成性 形成非晶相,从而使固化期间的两相分离非晶态合金。 Nd基二相分离非晶态合金表示为一般方程式Nd100-ab(a)(D)b其中,当A的元素组由Y,Ti组成时,TM是选自AB,AC和BC的组合 ,Zr,La,Pr,Gd和Hf中的一种元素组,由Fe和Mn组成,C元素组由Co,Ni,Cu和Ag组成,其中构成组合的元素基团的含量为 5原子%以上,从元素组中选择的元素为至少一种元素,从元素组中选择的一种元素的含量不超过50原子%,其中元素的含量 当TM是BC组合时,B的组小于C的元素组,并且其中D是选自Al,B,Si和P中的至少一种,a和b的范围为20 <= a <= 70,5 <= b <= 30,a + b> = 40。
    • 10. 发明申请
    • Nd-based two-phase separation amorphous alloy
    • 基于Nd的两相分离非晶合金
    • US20070258846A1
    • 2007-11-08
    • US11710937
    • 2007-02-27
    • Eun Soo ParkHye Jung ChangDo Hyang KimEun Young JeongJin Kyu LeeHwi Jun KimJung Chan Bae
    • Eun Soo ParkHye Jung ChangDo Hyang KimEun Young JeongJin Kyu LeeHwi Jun KimJung Chan Bae
    • C22C28/00
    • C22C45/00C22C1/002
    • Provided is a Nd-based two-phase separation amorphous alloy by adding an element having a big difference in heat of mixing in a Nd-based alloy with a superior amorphous formability through an inherent characteristic of compositional elements and consideration of thermodynamics, at the time of forming amorphous phase, to thereby enable two-phase separation amorphous alloy during solidification. The Nd-based two-phase separation amorphous alloy which is represented as a general equation Nd100-a-b(TM)a(D)b wherein TM is a transition metal which is a combination of respective one selected from A-B, A-C and B-C when a group of A consists of Y, Ti, Zr, La, Pr, Gd, and Hf, a group of B consists of Fe, and Mn, and a group of C consists of Co, Ni, Cu, and Ag, wherein the content of the element group which constitutes each combination is 5 atomic weight % or greater, and the element selected from each element group is at least one, and wherein D is at least one selected from the group consisting of Al, B, Si and P, and a and b have the range of 20≦a≦80, and 5≦b≦30, respectively, in terms of atomic weight %.
    • 提供了一种Nd基二相分离非晶合金,通过在Nd基合金中通过组成元素的固有特性和热力学的考虑,在Nd基合金中添加具有大的混合热差的元素和优异的非晶形成性 形成非晶相,从而使固化期间的两相分离非晶态合金。 以通常方程式表示的基于Nd的两相分离非晶态合金(D)B(B) 其中当A组由Y,Ti,Zr,La,Pr,Gd和Hf组成时,TM是一种选自AB,AC和BC的各自的组合的过渡金属,B组由Fe组成, 和Mn,C组由Co,Ni,Cu和Ag组成,其中构成每个组合的元素基团的含量为5原子%或更大,并且每个元素基团中的元素为至少一个 ,其中D是选自Al,B,Si和P中的至少一种,a和b分别具有20 <= a <= 80和5 <= b <30的范围 原子量%。