Multi-analytical characterization of an oncoid from a high altitude hypersaline lake using techniques employed in the Mars2020 and Rosalind Franklin missions on Mars

Huidobro, Jennifer; Madariaga, Juan Manuel; Carrizo, Daniel; Laserna, Javier; Rull, Fernando; Martínez‐Frías, Jesús; Aramendia, Julene; Sánchez-García, Laura; García-Gómez, L.; Veneranda, Marco; Población, Iratxe; Cabalı́n, L.M.; López‐Reyes, Guillermo; Coloma, Leire; García‐Florentino, Cristina; Arana, Gorka; Castro, Kepa; Delgado, T.; Álvarez-Llamas, César; Fortes, F.J.; Manrique, José Antonio

doi:10.1016/j.aca.2023.341632

Analytica Chimica Acta

2023

DOI: 10.1016/j.aca.2023.341632

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Multi-analytical characterization of an oncoid from a high altitude hypersaline lake using techniques employed in the Mars2020 and Rosalind Franklin missions on Mars

Jennifer Huidobro

Juan Manuel Madariaga

Daniel Carrizo

et al.

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2024

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Cited by 3 publications

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Raman Spectroscopy Against Harmful Nitrogen‐Based Compounds in Cultural Heritage Materials

Huidobro,

Arana,

Madariaga

2024

J Raman Spectroscopy

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Nitrogen‐based compounds are widespread in the environment due to various sources of natural and anthropogenic origin that introduce them from the most reducing form (the acidic ammonium cation) to the most oxidized (the nitrate anion). In addition, some environmental conditions, such as pH and redox potential, favor secondary reactions of nitrogenous compounds. An example of this is the harmful effect of nitrates on cultural heritage (CH), which poses a threat to its preservation. This is due to their high solubility and mobility, which allow them to penetrate the structure of the materials. As a result of their crystallization/dissolution and hydration/dehydration cycles, the precipitation of nitrate salts in the pores causes internal fractures, leading to the subsequent deterioration and loss of the material. The detection of these salts is a straightforward process in analytical chemistry, but it is imperative to use nondestructive and noninvasive analytical techniques, such as Raman spectroscopy, because of the need to preserve CH. In this work, we have compiled the sources and pathways that contribute to the formation of nitrogen‐based compounds, especially nitrate salts in various CH components. Finally, the Raman spectrum characteristic of the nitrate family has also been explained, including the most damaging nitrates found in CH, such as niter, nitratine, nitrocalcite, nitromagnesite, nitrobarite, and nitrammite, and has been compiled. In addition, less common nitrates, some nitrites, and other ammonium compounds have been included in this database.

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Raman Spectroscopy Against Harmful Nitrogen‐Based Compounds in Cultural Heritage Materials

Huidobro,

Arana,

Madariaga

2024

J Raman Spectroscopy

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Failure analysis in advance cylindrical composite pressure vessel under pressure & temperature for hydrogen storage: A comprehensive review

Khan,

Kumar

2024

Polymer Composites

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Low‐thickness/diameter cylindrical storage pressure vessels with composite overwrapping fail at diverse internal and external pressure circumstances, causing several faults that must be included and minimized to retain effectiveness and working capability. The bursting effect is caused by hoop (internal) stresses and can be reduced by composite lamination alignment and internal pressure resistance. Pressure vessel bursting faults vary with internal tensions and can induce fiber reinforced polymer fracture and composite cylinder failure under many failure criteria. Micro‐mechanical nondestructive testing uses independent failure criteria associated to modes like Tsai‐Wu, Tsai‐Hill, Azzi‐Tsai, Hoffman, and Chamis. Micro‐cracking of composite layers generates delamination in composite pressure vessels, causing porosity. Pressure vessel micro‐cracking was assessed using classical laminate theory. Composite material strain‐rate failures in mobile applications like hydrogen storage cars with composite pressure vessels are examined due to their widespread use. Finally, Polar, Helical, and Hoop winding sequences are consistently focused to optimize the design and analyze the parameters for the overall impact of different failure aspects as bursting behavior in cylindrical composite pressure vessels. Type‐IV composite pressure vessels have the best results due to their lightest weight but complexity of winding over the polar head geodesic and non‐geodesic curvatures overwrapped carbon include all these internal composite and liner geometry faults and optimize them to reduce failure issues to fix composite overwrapped pressure vessels (COPV's) design. Liner‐less composite pressure vessels (Type‐V) need more design and production study for high‐pressure and temperature applications.Highlights Failure deals with the internal and external pressures exerted on composite pressure vessels. Failures like bursting of the pressure vessel, due to like micro‐cracking, delamination's and strain‐rate failures of composites. Failures detection through NDT inspection for polymer composite materials for composite pressure vessels. (COPV) perfect lamina sequence, liner materials and fiber winding angles must be considered for designing state of the art liner‐less Type‐V pressure vessels. Independent Failure criteria like (Tsai‐Wu & Hashin).

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Social isolation and loneliness among people living with experience of homelessness: a scoping review

Lachaud,

Yusuf,

Maelzer

et al. 2024

BMC Public Health

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Multi-analytical characterization of an oncoid from a high altitude hypersaline lake using techniques employed in the Mars2020 and Rosalind Franklin missions on Mars

Cited by 3 publications

References 51 publications

Raman Spectroscopy Against Harmful Nitrogen‐Based Compounds in Cultural Heritage Materials

Raman Spectroscopy Against Harmful Nitrogen‐Based Compounds in Cultural Heritage Materials

Failure analysis in advance cylindrical composite pressure vessel under pressure & temperature for hydrogen storage: A comprehensive review

Social isolation and loneliness among people living with experience of homelessness: a scoping review

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