Size-Based Filtration of Poly-Disperse Micro-Particle by Dipping

IF 1 Q4 ENGINEERING, MANUFACTURING
M. Khalil, Bashir Khoda
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引用次数: 0

Abstract

In manufacturing industries, spherical micro-particles are commonly used as (e.g., brazing powder, metal filler, and 3D printing powder) which are produced with droplet-based particle fabrication techniques. Such processes create spherical morphology but introduce polydispersity and follow a continuous exponential pattern commonly expressed with Rosin-Rammler expression. Sorting those micro-particles in a narrower size range is an important but difficult, costly, and challenging process. Here we demonstrate the successful separation of the particles from a poly-disperse mixture with a particle volume fraction of 10% by dipping process. Nickel-based micro-particles (avg. dia. 5.69 μm) are added in a binder-based liquid carrier system. To encounter the gravitational force, external kinetic energy in the form of agitation is applied to ensure the uniform dispersion of the particles. The cylindrical substrate is prepared and dipped in the ‘pseudo suspension’ to separate the particles by adhering to it. The substrate is dried, and images are taken to characterize the separated particles using image J software. A clear size distribution can be observed which is also plotted. Additionally, a relationship between the process parameter and sorted particles has been established. The proposed method is quick, controllable, and easy to implement, which can be a useful tool for sorting wide-range poly-disperse particles.
多分散微颗粒的浸渍粒径过滤
在制造业中,球形微颗粒通常被用作(例如,钎焊粉,金属填料和3D打印粉),它们是用基于液滴的颗粒制造技术生产的。这样的过程创造了球形形态,但引入了多分散性,并遵循通常用松香-拉姆勒表达式表示的连续指数模式。在更窄的尺寸范围内对这些微粒进行分类是一项重要但困难、昂贵且具有挑战性的过程。在这里,我们证明了通过浸提工艺从颗粒体积分数为10%的多分散混合物中成功分离颗粒。镍基微粒(平均直径)5.69 μm)加入到以粘合剂为基础的液体载体体系中。为了应对重力,以搅拌形式施加外部动能,以确保颗粒均匀分散。制备圆柱形衬底,并将其浸入“伪悬浮液”中,通过粘附来分离颗粒。将基材干燥,并使用image J软件拍摄图像以表征分离的颗粒。可以观察到一个清晰的大小分布,它也被绘制出来。此外,还建立了工艺参数与分选颗粒之间的关系。该方法具有快速、可控、易于实现等优点,可作为大范围多分散颗粒分选的有效工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Micro and Nano-Manufacturing
Journal of Micro and Nano-Manufacturing ENGINEERING, MANUFACTURING-
CiteScore
2.70
自引率
0.00%
发文量
12
期刊介绍: The Journal of Micro and Nano-Manufacturing provides a forum for the rapid dissemination of original theoretical and applied research in the areas of micro- and nano-manufacturing that are related to process innovation, accuracy, and precision, throughput enhancement, material utilization, compact equipment development, environmental and life-cycle analysis, and predictive modeling of manufacturing processes with feature sizes less than one hundred micrometers. Papers addressing special needs in emerging areas, such as biomedical devices, drug manufacturing, water and energy, are also encouraged. Areas of interest including, but not limited to: Unit micro- and nano-manufacturing processes; Hybrid manufacturing processes combining bottom-up and top-down processes; Hybrid manufacturing processes utilizing various energy sources (optical, mechanical, electrical, solar, etc.) to achieve multi-scale features and resolution; High-throughput micro- and nano-manufacturing processes; Equipment development; Predictive modeling and simulation of materials and/or systems enabling point-of-need or scaled-up micro- and nano-manufacturing; Metrology at the micro- and nano-scales over large areas; Sensors and sensor integration; Design algorithms for multi-scale manufacturing; Life cycle analysis; Logistics and material handling related to micro- and nano-manufacturing.
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