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首页> 外文期刊>Journal of Materials Engineering and Performance >Microstructure and Properties of the Ti6Al4V/Inconel 625 Bimetal Obtained by Explosive Joining
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Microstructure and Properties of the Ti6Al4V/Inconel 625 Bimetal Obtained by Explosive Joining

机译：爆炸连接获得的Ti6Al4V / Inconel 625双金属的组织和性能

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摘要

The study is concerned with the bimetallic plate composed of the Ti6Al4V and Inconel 625 alloys. The alloys were joined together using the explosive method with the aim to produce a bimetallic joint. The structure and the mechanical properties of the as-received raw Ti6Al4V and Inconel 625 alloys, the Ti6Al4V/Inconel 625 joint, and the joint after annealing (600 A degrees C for 1 h) were examined. The samples observations were performed using a light microscope and a scanning electron microscope. The mechanical properties were estimated by microhardness measurements, tensile tests, and three-point bending tests. Moreover, the deformation strengthening of the metals and the strength of the joint were analyzed. The explosive process resulted in a good quality bimetallic joint. Both sheets were deformed plastically and the joint surface between the alloys had a wavy shape. In the area of the joint surface, the hardness was increased. For example, the annealing at 600 A degrees C for 1 h resulted in changes of the microhardness in the entire volume of the samples and in changes of the morphology of the joint surface. In three-point bending tests, the samples were examined in two opposite positions (Ti6Al4V on the top or Inconel 625 on the top). The results indicated to depend on the position in which the sample was tested.
机译：研究涉及由Ti6Al4V和Inconel 625合金组成的双金属板。使用爆炸法将合金连接在一起，目的是产生双金属接头。检查了原始Ti6Al4V和Inconel 625合金，Ti6Al4V / Inconel 625接头以及退火（600 A摄氏度1 h）后的接头的结构和力学性能。使用光学显微镜和扫描电子显微镜进行样品观察。通过显微硬度测量，拉伸试验和三点弯曲试验来评估机械性能。此外，分析了金属的变形强化和接头的强度。爆炸过程产生了高质量的双金属接头。两张板均发生塑性变形，合金之间的接合面呈波浪形。在接合面区域，硬度增加。例如，在600 A的温度下退火1小时会导致整个样品体积的显微硬度发生变化，并导致接合面的形态发生变化。在三点弯曲测试中，在两个相对的位置（顶部为Ti6Al4V或顶部为Inconel 625）检查了样品。结果表明取决于测试样品的位置。

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