Modeling the Mechanical Behavior of Dynamically Deformed Cu using the Theories of Crystal Plasticity

Chandra, S.; Samal, M. K.; Chavan, Vivek; Patel, Rajesh

doi:10.1016/j.proeng.2016.12.119

Cited by 1 publication

(1 citation statement)

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“…Minting coins using rollers (as was done during the Medieval Ages) will create forces along both the ND and RD . While striking or rolling a metal will not change its crystal structure, the larger crystallite domains that hold the unit cells will be affected [ 41 ]. Thus, the interlocking dendritic FCC crystals of Cu that have different amounts of Sn in solid solution with Cu will be broken and bent in ways that reveal the direction of the applied forces.…”

Section: Introductionmentioning

confidence: 99%

Time-of-Flight Neutron Diffraction (TOF-ND) Analyses of the Composition and Minting of Ancient Judaean “Biblical” Coins

Nagler

Stoica

et al. 2019

Journal of Analytical Methods in Chemistry

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TOF-ND elastic scattering of thermal neutrons offers some important advantages over X-ray diffraction (XRD), X-ray fluorescence (XRF), and metallography for the study of archaeological and numismatic problems. Traditional analytical methods are usually destructive and often probe only the surface. Neutrons deeply penetrate samples, simultaneously giving nondestructive bulk information about the crystal structure, composition, and texture (alignment of crystallites) from which thermomechanical manufacturing processes (e.g., cast, struck, or rolled) may be inferred. An analysis of the metal composition and minting processes used for making ancient Judaean bronze and leaded bronze coins from first century BCE and CE is used as a case study. One of the first ND analyses of the temperature used for striking bronze coins is also presented.

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Section: Introductionmentioning

confidence: 99%