The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter

During the planetary formation process, mutual collisions among planetesimals take place, making an impact on their porosity evolution. The outcome of these collisions depends, among other parameters, on the tensile strength of the colliding objects. In the first stage of this work, we performed imp...

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Autores principales: San Sebastián, Irina Luciana, Dolff, A, Blum, J., Parisi, Mirta Gabriela, Kothe, S.
Formato: Articulo Preprint
Lenguaje:Inglés
Publicado: 2020
Materias:
Ciencias Astronómicas
Methods: laboratory: solid state
Planets and satellites: formation
Protoplanetary discs
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/124589
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-124589
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
Methods: laboratory: solid state
Planets and satellites: formation
Protoplanetary discs
spellingShingle Ciencias Astronómicas
Methods: laboratory: solid state
Planets and satellites: formation
Protoplanetary discs
San Sebastián, Irina Luciana
Dolff, A
Blum, J.
Parisi, Mirta Gabriela
Kothe, S.
The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
topic_facet Ciencias Astronómicas
Methods: laboratory: solid state
Planets and satellites: formation
Protoplanetary discs
description During the planetary formation process, mutual collisions among planetesimals take place, making an impact on their porosity evolution. The outcome of these collisions depends, among other parameters, on the tensile strength of the colliding objects. In the first stage of this work, we performed impact experiments into dust samples, assembled with material analogous to that of the primitive Solar System, to obtain highly compressed samples that represent the porosities measured in chondritic meteorites. In the second stage, we obtained the tensile strengths of the compressed dust samples by the Brazilian Disk Test. We found a correlation between the tensile strength and the volume filling factor of the compressed dust samples and obtained the corresponding critical fragmentation strength in mutual collisions and its dependence on the volume filling factor. Finally, we give prescriptions for the catastrophic disruption threshold as a function of the object size, for different values of the volume filling factor that can be utilized in collisional models.
format Articulo
Preprint
author San Sebastián, Irina Luciana
Dolff, A
Blum, J.
Parisi, Mirta Gabriela
Kothe, S.
author_facet San Sebastián, Irina Luciana
Dolff, A
Blum, J.
Parisi, Mirta Gabriela
Kothe, S.
author_sort San Sebastián, Irina Luciana
title The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
title_short The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
title_full The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
title_fullStr The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
title_full_unstemmed The tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
title_sort tensile strength of compressed dust samples and the catastrophic disruption threshold of pre-planetary matter
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/124589
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