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Development and Implementation of Functional 3D-Printed Material Systems for Tissue Engineering, Energy, and Structural Applications.

机译：用于组织工程，能源和结构应用的功能性3D打印材料系统的开发和实现。

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摘要

Although it has existed for more than three decades, there has been an incredible surge in interest in just the past 3-4 years with respect to 3D-printing (3DP) and additional additive manufacturing (AM) technologies. This is readily apparent in consumer, academic, and industrial markets as well as within the popular media. With the ability to produce complex parts on demand without the need for expensive tooling or dies in a manner that is both more efficient with respect to material consumption and time investment, it is apparent why AM technologies are so desirable and capture the imaginations of the scientists, engineers, medical doctors, and the general public alike. For all the promises made, however, 3DP is not yet mainstream within established manufacturing, medical, and research fields. Although many factors certainly play a part in this slow progress, one of them is the lack of variety of 3D-printing compatible functional materials. Traditional manufacturing methods have been developed over centuries to accommodate the incredibly diverse world of materials, which encompasses everything from metals and alloys to biological tissues and organs. To bridge this gap, I present a method for preparing and 3D-printing liquid "inks" at ambient conditions via simple extrusion from a wide-variety of material types. The versatility, functionality, scalability, and translatability of this "particle-laden ink" technology are demonstrated in depth for a variety of material systems including bioceramics, metal oxides, planetary soils, and graphene, with applications ranging from tissue engineering to energy. Additional 3D-printable material systems are also demonstrated. Beyond being able to successfully 3D-print already existing material systems, I also demonstrate that this particle-laden ink method can be utilized to create materials with unique properties that are the direct result of the 3D-printing process. The discovery of these 3D-printing enabled materials, such as Hyperelastic Bone and 3D-printed graphene, represent a new class of materials and opens the door for further investigation and development of an incredibly wide variety of new 3D-printable material systems. Through the work presented in this dissertation, I substantially build upon and further establish the very recently formed field of 3D-Printing Materials Design, Engineering, and Application.
机译：尽管它已经存在了三十多年，但是在过去的3-4年中，人们对3D打印（3DP）和附加增材制造（AM）技术的兴趣激增。这在消费者，学术和工业市场以及流行媒体中显而易见。由于能够按需生产复杂零件而无需昂贵的工具或模具，从而在材料消耗和时间投资方面都更加高效，因此很明显，为什么增材制造技术如此受欢迎并吸引了科学家的想象力，工程师，医生和广大公众。然而，尽管做出了所有承诺，但3DP尚未在成熟的制造，医疗和研究领域中成为主流。尽管在此缓慢的发展过程中肯定有许多因素起作用，但其中之一是缺乏各种3D打印兼容功能材料。传统的制造方法已经发展了数百年，以适应材料领域极其多样化的需求，其中包括从金属，合金到生物组织和器官的一切。为了弥合这一差距，我提出了一种通过从多种材料类型中进行简单挤出来在环境条件下制备和3D打印液体“油墨”的方法。 “含微粒墨水”技术的多功能性，功能性，可扩展性和可翻译性已在包括生物陶瓷，金属氧化物，行星土壤和石墨烯在内的多种材料系统中得到了深入证明，其应用范围从组织工程到能源。还演示了其他3D可打印材料系统。除了能够成功地对现有材料系统进行3D打印之外，我还演示了这种载有颗粒的墨水方法可用于创建具有独特属性的材料，这些属性是3D打印过程的直接结果。这些具有3D打印功能的材料（例如超弹性骨和3D打印的石墨烯）的发现代表了一种新型材料，并为进一步研究和开发种类繁多的新型3D可打印材料系统打开了大门。通过本论文中提出的工作，我在很大程度上建立并进一步建立了3D打印材料设计，工程和应用领域。

著录项

  • 作者

    Jakus, Adam Edward.;

  • 作者单位

    Northwestern University.;

  • 授予单位 Northwestern University.;
  • 学科 Materials science.;Biomedical engineering.
  • 学位 Ph.D.
  • 年度 2014
  • 页码 418 p.
  • 总页数 418
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 11:54:05

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