Friction stir additive manufacturing of regolith metal matrix composite

IF 2.8 3区地球科学 Q2 ASTRONOMY & ASTROPHYSICS

Advances in Space Research Pub Date : 2024-04-23 DOI:10.1016/j.asr.2024.04.034

Jessica J. Lopez , Malcolm B. Williams , Pruthul Kokkada Ravindranath , Timothy W. Rushing , J. Brian Jordon , Gregory B. Thompson , Paul G. Allison

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Abstract

In this work, a metal matrix composite of AA6061 – 20 wt% regolith simulant was deposited into a 50 mm tall × 147 mm long × 45 mm wide build using additive friction stir deposition (AFSD). In situ resource utilization plays a vital role in the development of the self-sustaining future space infrastructure in implementing an efficient use of the lunar environment material. Using x-ray computed tomography, the build was evaluated for porosity, which measured 0.03 %, and was noted to be in the initial deposit layer as well as near the outer surface. Tensile behavior were evaluated in the build and longitudinal direction, with the longitudinal direction having 40 % higher yield strength than the build direction. However, in either direction, the strength was higher than that of as-deposited AFSD AA6061 with no particulates, but at the expense of ductility. This work quantifies the utility of incorporating hard, secondary particulates from potential point-of-need resources into a metal for extraterrestrial exploration.

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人造岩石金属基复合材料的搅拌摩擦快速成型技术

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来源期刊

Advances in Space Research 地学天文-地球科学综合

CiteScore

5.20

自引率

11.50%

发文量

800

审稿时长

5.8 months

期刊介绍： The COSPAR publication Advances in Space Research (ASR) is an open journal covering all areas of space research including: space studies of the Earth''s surface, meteorology, climate, the Earth-Moon system, planets and small bodies of the solar system, upper atmospheres, ionospheres and magnetospheres of the Earth and planets including reference atmospheres, space plasmas in the solar system, astrophysics from space, materials sciences in space, fundamental physics in space, space debris, space weather, Earth observations of space phenomena, etc. NB: Please note that manuscripts related to life sciences as related to space are no more accepted for submission to Advances in Space Research. Such manuscripts should now be submitted to the new COSPAR Journal Life Sciences in Space Research (LSSR). All submissions are reviewed by two scientists in the field. COSPAR is an interdisciplinary scientific organization concerned with the progress of space research on an international scale. Operating under the rules of ICSU, COSPAR ignores political considerations and considers all questions solely from the scientific viewpoint.