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由美国马萨诸塞理工学院开发的Ni—Fe合金已经用作聚变反应堆中超导磁体的护套材料.其中Incoloy908合金(49Ni—4Cr—1Al-1.5Ti一3Nb—41.5Fe)具有低的热膨胀系数、高的低温强度、高的断裂和冲击韧性以及冶金稳定性。该合金是为满足国际热核实验反应堆(ITER)中对热膨胀合金的需要而开发出来的。这个热核反应堆是由来自欧洲共同体、日本、独联体联邦和美国的科学家及工程师共同设计制造的。在(ITER )反应堆样机中In-
The Ni-Fe alloy developed by the Massachusetts Institute of Technology in the United States has been used as a sheathing material for a superconducting magnet in a fusion reactor. Incoloy908 alloy (49Ni-4Cr-1Al-1.5Ti-3Nb-41.5Fe) has a low coefficient of thermal expansion Low temperature strength, high fracture and impact toughness, and metallurgical stability. The alloy was developed to meet the needs of thermally expanded alloys in the ITER. The thermonuclear reactor was designed and manufactured by scientists and engineers from the European Community, Japan, Commonwealth of Independent States and the United States. In (ITER) reactor prototype In-