Atomic ordering processes in microcrystalline ternary Ni3Mn base alloys

被引：0
|
作者：
Goman'kov, V.I. [1 ]
Tret'yakov, S.M. [1 ]
Fedotov, V.G. [1 ]
Chevychelov, V.A. [1 ]
机构：
[1] TsNIIchermet, Moscow, Russia
来源：
Metallovedenie i Termicheskaya Obrabotka Metallov | 1995年 / 07期
关键词：
Aluminum alloys - Grain size and shape - Intermetallics - Manganese alloys - Neutron diffraction - Nickel alloys - Order disorder transitions - Silicon alloys - Solid solutions - Ternary systems - Titanium alloys;
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摘要：
Neutron diffraction study of atomic ordering in ternary systems of Ni3Mn-Ni3Al, Ni3Mn-Ni3Si and Ni3Mn-Ni3Ti was carried out. In microcrystalline alloys produced by melt spinning a short range order was revealed. An increase of alloying element concentration resulted in the development of long-range order of L12 type. Ordered intermetallic phases of Ni5Si and Ni3Ti were found to form in the Ni3Mn-Ni3Si and Ni3Mn-Ni3Ti systems at Si and Ti contents exceeding 10%. In the Ni3Mn-Ni3Al system, the isomorphous transition from Ni3Mn superlattice to Ni3Al intermetallic compound was revealed.
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