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李素丽.金属熔体喷射沉积特性分析[J].稀有金属材料与工程(英文),2019,48(7):2232~2238.[.Characteristics Analysis of Metal Melt Spray Deposition[J].Rare Metal Materials and Engineering,2019,48(7):2232~2238.]
Characteristics Analysis of Metal Melt Spray Deposition
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Received:January 04, 2018  Revised:May 07, 2019
Key words: Metal melt  Intermittent deposition  Pulse pressure  Pulse frequency  The sedimentary morphology.
Foundation item:国家高技术研究发展计划(863)项目多材料多光源大型激光烧结成型装备及应用研究—快速模具制造工艺与性能研究项目资助(项目号:2015AA042503-2)以及陕西省自然科学重点项目糖基快速成型机理研究基金资助(项目号2012JZ7001)
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      For metal droplet deposition increases material manufacture metal flow in the intermittent random change, intermittent morphology parameters, such as difficult to control and forecast of the existing problems, the method of combining the theoretical analysis and experimental study of metal flow discontinuous intermittent morphology and its influencing factors in the process of pulse pressure, pulse frequency are studied, reveals the discontinuous morphology length distribution. Results show that by adjusting the pulse pressure and pulse frequency, and can improve the metal flow of fracture shape accuracy and dimensional accuracy, can provide stability for the subsequent manufacturing process of uniform micro drip.