Qualification of additively manufactured polymer fluid manifolds for life-detection instruments

IF 4.2 Q2 ENGINEERING, MANUFACTURING
Theresa Juarez, Nathan J. Oborny, Andrew Berg, Aaron C. Noell
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引用次数: 0

Abstract

The development of autonomous life detection instruments is being driven by the advancement of multiple space exploration missions to investigate the subsurface oceans of icy worlds, particularly Titan, Enceladus, and Europa. A fundamental feature of this type of instrument is a compact, reliable, and chemically inert internal liquid transport network. Additively manufactured (AM) custom liquid manifolds produced via vat photopolymerization (VPP) methods can meet these requirements. However, before these materials can be considered, basic spaceflight requirements, qualification for flight worthiness and functionality must be addressed. In this study, mechanical properties, outgassing behavior, polymeric characteristics, and chemical compatibility are assessed for select commercially available AM polymers. The results indicate basic materials qualification requirements are met, including sufficiently characterized mechanical properties, the identification of a bakeout protocol for reduced outgassing to meet NASA standards, and chemical compatibility with liquids and reagents used in candidate instrumentation under development for life detection missions.
生命检测仪器用增材制造聚合物流体歧管的鉴定
自主生命探测仪器的发展是由多个太空探索任务的进步推动的,这些任务旨在调查冰冷世界的地下海洋,特别是土卫六、土卫二和木卫二。这种类型的仪器的一个基本特点是紧凑,可靠,化学惰性的内部液体输送网络。通过还原光聚合(VPP)方法生产的增材制造(AM)定制液体歧管可以满足这些要求。然而,在考虑这些材料之前,必须解决基本的航天要求、飞行价值和功能的资格。在本研究中,对选择的市售增材制造聚合物的机械性能、脱气行为、聚合物特性和化学相容性进行了评估。结果表明,基本的材料资格要求得到满足,包括充分表征的机械性能,确定了减少脱气的烘烤方案,以满足NASA的标准,以及与正在开发的用于生命探测任务的候选仪器中使用的液体和试剂的化学相容性。
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
Additive manufacturing letters
Additive manufacturing letters Materials Science (General), Industrial and Manufacturing Engineering, Mechanics of Materials
CiteScore
3.70
自引率
0.00%
发文量
0
审稿时长
37 days
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