三维打印技术在柱状晶体结构研究中的应用APPLICATION OF 3D-PRINTING TECHNOLOGY TO THE STUDY OF COLUMNAR CRYSTALS
王家毅,吴钦杰,廖彬,吴红凯,韩志洋,陈浩基
摘要(Abstract):
等积球体在无限长圆管中的周期性最密堆积结构,可称之为柱状晶体。这类系统的最密结构种类繁多,并随着圆管与球体的直径比D连续变化。在一些较大D值的情况下,晶胞的颗粒数较多,晶胞结构在空间限制的影响下也变得异常复杂。要理解晶胞中每一个球体的排布和它怎样受到其他球体与圆管壁的影响,是一大挑战。本文提出,我们可以通过打印三维实物模型,去窥探复杂晶体结构中球体的空间排布以及球与球之间的接触网络。本文展示,这类柱状晶体结构可以通过熔融沉积成型、光固化快速成型、粉末烧结这三种不同的技术进行三维打印,并仔细讨论每种技术的流程、注意事项、利弊。
关键词(KeyWords): 晶体;结构;三维打印;数字模型
基金项目(Foundation): 国家级大学生创新创业训练计划项目(201810213124);; 深圳市基础研究项目(JCYJ20160531193515801);; 深圳市引进人才启动经费(ED11409002)
作者(Author): 王家毅,吴钦杰,廖彬,吴红凯,韩志洋,陈浩基
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