粉末冶金与冷镦加工Fe-36Ni合金及其微波器件的性能研究
Investigation on the Properties of Fe-36Ni Alloy and Its Microwave Devices by Powder Metallurgy and Cold-Heading Pro-cess
DOI: 10.12677/JAPC.2018.71003, PDF,    科研立项经费支持
作者: 房丽敏：广东第二师范学院物理与信息工程系，广东 广州;华南理工大学机械与汽车工程学院，广东 广州；李烈军：华南理工大学机械与汽车工程学院，广东 广州；赵可沦*：华南理工大学机械与汽车工程学院，广东 广州;珠海罗西尼表业有限公司，广东 珠海
关键词: 因瓦合金；微波器件；预合金化；粉体冶金；冷镦；温漂；Invar Alloy； Microwave Device； Pre-Alloying； Powder Metallurgy； Cold-Heading； Temperature Drift
摘要: 本文采用预合金化粉体压制成型后烧结–退火制得Fe-36Ni合金，再经冷镦加工处理制得低膨胀合金微波器件，并分析了Fe-36Ni合金粉体形貌与成分、合金物相与微观结构和合金热力学性能及其微波器件的温漂指标。研究发现，预合金化工艺制得Fe-36Ni合金粉体的成分均匀，粉体压制成型后烧结–退火的Fe-36Ni合金棒材及其冷镦加工后样品均为单一奥氏体相。冷镦加工Fe-36Ni合金在50℃~150℃的热膨胀系数小于3.0 × 10−6/K。冷镦加工处理Fe-36Ni合金棒材制得微波谐振器及其组装的腔体滤波器的“温漂”指标均满足通讯基站用微波谐振元件和腔体滤波器的技术要求。
Abstract: In this study, the microwave devices were prepared by the cold heading process of Fe-36Ni alloy obtained from the pressing molding of the pre-alloying powder after sintering and annealing. The micromorphology and components of the pre-alloying powder, phases and microstructure, thermodynamic properties of Fe-36Ni alloy and temperature drift index of its microwave devices were analyzed. The results indicated that the composition of Fe-36Ni alloy powder is homogeneous by pre-alloying. It is revealed that both the Fe-36Ni alloy and its cold heading samples are single austenite phase. The thermal expansion coefficients of the cold heading Fe-36Ni alloy are less than 3.0 × 10−6/K at 50˚C~150˚C. The temperature drift index of the microwave resonator manufactured by cold heading process of Fe-36Ni alloy, and the assembled cavity filter are consistent with the technical requirements of microwave resonant components and cavity filters for communication base station.
文章引用：房丽敏, 李烈军, 赵可沦. 粉末冶金与冷镦加工Fe-36Ni合金及其微波器件的性能研究[J]. 物理化学进展, 2018, 7(1): 19-27. https://doi.org/10.12677/JAPC.2018.71003

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