The present invention relates to a Cu-based amorphous alloy composition having a chemical composition represented by the following general formula, by atomic %: Cu100-a-b-c-dZraAlb(M1)c(M2)d, where a, b, c and d satisfy the formulas of 36≦a≦49, 1≦b≦10, 0≦c≦10, and 0≦d≦5, respectively, and c and d are not zero at the same time, and M1, the 4th element added to a ternary alloy of Cu—Zr—Al, is one metal element selected from the group consisting of Nb, Ti, Be and Ag, and M2, the 5th element added to the ternary alloy of the Cu—Zr—Al, is one amphoteric element or non-metal element selected from the group consisting of Sn and Si.
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机译：本发明涉及一种具有以下通式表示的化学组成的Cu基非晶态合金组合物，其原子百分含量为：Cu 100-abcd Zr a Al b （M 1 ） c （M 2 ） d ，其中a，b， c和d分别满足36≤a≤49、1≤b≤10、0≤c≤10和0≤d≤5的公式，并且c和d同时不为零，并且M ＜Sub > 1 是添加到Cu-Zr-Al三元合金中的第四种元素，是一种选自Nb，Ti，Be和Ag以及M 2 的金属元素。添加到Cu-Zr-Al三元合金中的第五元素是选自Sn和Si的一种两性元素或非金属元素。
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