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首页> 外文会议>International Workshop on Advanced Metallic Materials and Processing Techniques for Aeronautical Applications; 20051118-20; Nanjing(CN) >Preparation and mechanical properties of NiCoCrAlY/NiCr laminates by electron beam physical vapor deposition
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Preparation and mechanical properties of NiCoCrAlY/NiCr laminates by electron beam physical vapor deposition

机译：电子束物理气相沉积法制备NiCoCrAlY / NiCr层压板及其力学性能

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摘要

Laminates with alternating layers of NiCoCrAlY and NiCr were fabricated by using electron beam physical vapor deposition (EB-PVD) method. The influence of the substrate temperature on morphology of the laminates was investigated. The results show that in order to produce NiCoCrAlY/NiCr laminates with lower porosity, higher substrate temperature is required. The mechanical properties of the as-deposited samples and heat-treated samples were examined using tensile tests. The stress-strain curve of the as-deposited laminate shows a typical characteristic of multilayered materials and the fracture behavior is improved by annealing the samples at high temperatures. The tensile strength of the samples annealed at 760℃ is 658.4 MPa, and the elongation reaches 6.2%.
机译：通过使用电子束物理气相沉积（EB-PVD）方法制造了具有NiCoCrAlY和NiCr交替层的层压板。研究了基板温度对层压板形态的影响。结果表明，为了生产具有较低孔隙率的NiCoCrAlY / NiCr层压板，需要较高的基材温度。使用拉伸试验检查了沉积样品和热处理样品的机械性能。沉积的层压板的应力-应变曲线显示出多层材料的典型特征，并且通过在高温下对样品进行退火来改善断裂性能。 760℃退火的样品的拉伸强度为658.4 MPa，伸长率达到6.2％。

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