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Trans. Nonferrous Met. Soc. China 22(2012) 2638-2644 Precipitation behavior and properties of a new high strength Al-Zn-Mg-Cu alloy ZANG Jin-xin, ZHANG Kun, DAI Sheng-long Beijing Institute...-Zn-Mg-Cu alloy during one-step ageing treatment were systematically studied. The results show that the electrical conductivity of the alloy increased continuously with increasing ageing temperature......
contents of Mn element. Ni2In-type hexagonal MnNiGa phase is found in the Mn2NiGa alloy. Beside MnNiGa phase, a few of layered non-modulated martensites appear in matrix of Mn2.02NiGa alloy. Non-modulated martensites appear conspicuously in Mn2.06NiGa alloy, meanwhile, MnNiGa phase disappears in this alloy. By HREM observation, the local lattice distortions which form nano-scaled domains......