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首页> 外文会议>Internation Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures >Fabrication of the Intermetallic Ni_3Al by Mechanical Activation and Spark Plasma Sintering
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Fabrication of the Intermetallic Ni_3Al by Mechanical Activation and Spark Plasma Sintering

机译：通过机械激活和火花等离子体烧结制造金属间Ni_3Al

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The investigation of the structure and mechanical properties of the intermetallic Ni_3Al fabricated by spark plasma sintering of mechanically activated Ni and A1 powders with nominal compositions Ni_(75)Al_25 (at %) are conducted. Compact with milled powders has been formed only single Ni_3Al phase. Relative density of sintered samples is -97%. The grain size of this material is 0.1 to 0.4 μm. Microhardness of the sintered material is 6100 MPa. The results show that spark plasma sintering at 1100°C the powder mixture Ni-Al after mechanical alloying for three minutes leads to the formation of material with value of bending strength equal to 800 MPa.
机译：进行了由机械活化的Ni和A1粉末制备的金属间Ni_3AL的结构和力学性能的研究，具有标称组合物Ni_（75）Al_25（以％）。具有铣削粉末的紧凑型仅形成单个Ni_3Al相。烧结样品的相对密度为-97％。该材料的晶粒尺寸为0.1至0.4μm。烧结材料的显微硬度为6100MPa。结果表明，在1100℃下火花等离子体烧结在机械合金化后粉末混合物Ni-Al 3分钟导致形成材料的弯曲强度等于800MPa的材料。

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