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Iulia Concordia is an important Roman settlement especially known for the production of weapons during the Roman Empire. Excavations of the area revealed the evidence of metal-working activities and a huge number of well preserved arrowheads ( sagittae) were found. In order to investigate the conservation state of the finds and to shed light about the production processes used by Roman for the manufacturing of sagittae, a neutron tomography analysis was performed on NEUTRA beam line at the Paul Scherrer Institut in Switzerland. Here, we present results from our investigation conducted on 18 samples, disclosing, in a non-invasive way, the morphological characteristic related to the ancient Roman working techniques. [ABSTRACT FROM AUTHOR]

Abstract: Iulia Concordia is an important Roman settlement known for the production of iron objects and weapons during the Roman Empire. A huge number of well-preserved styli were found in the past century in the bed of an old channel. In order to shed light about the production processes used by Roman for stylus manufacturing, a neutron diffraction residual strain analysis was performed on the POLDI materials science diffractometer at the Paul Scherrer Institut in Switzerland. Here, we present results from our investigation conducted on 11 samples, allowing to define, in a non-invasive way, the residual strain map related to the ancient Roman working techniques. [Copyright &y& Elsevier]