Acoustic, Electromagnetic, Neutron Emissions from Fracture by Alberto Carpinteri, Giuseppe Lacidogna, Amedeo Manuello

By Alberto Carpinteri, Giuseppe Lacidogna, Amedeo Manuello

This booklet offers the suitable results of lately came upon and interdisciplinary phenomena, prompted by way of neighborhood mechanical instabilities. specifically, it appears at emissions from nano-scale mechanical instabilities reminiscent of fracture, turbulence, buckling and cavitation, focussing on vibrations on the TeraHertz frequency and Piezonuclear reactions. destiny purposes for this paintings may well contain earthquake precursors, weather switch, strength creation and mobile biology.

A sequence of fracture experiments on usual rocks demonstrates that the TeraHertz vibrations may be able to set off fission reactions on medium weight components observed by way of neutron emissions. an identical phenomenon seems to have happened in numerous diverse occasions, quite within the chemical evolution of the Earth and sun approach, via seismicity (rocky planets) and storms (gaseous planets). because the authors discover, those phenomena may also clarify puzzles on the topic of the background of our planet, just like the ocean formation or the primordial carbon pollutants, in addition to clinical mysteries, just like the so-called “cold nuclear fusion” or the right kind radio-carbon courting of natural fabrics, corresponding to the Turin Shroud. In biology, Piezonuclear reactions may clarify the mechanism that governs the so-called "sodium-potassium pump" and extra generally, the metabolic processes.

Scientists engaged in seismology, geophysics, geochemistry, climatology, planetology, condensed topic physics and b

iology, in addition to these interested in theoretical and utilized mechanics, will all enjoy the leading edge paintings provided right here in a holistic way.

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Lockner DA, Byerlee JD, Kuksenko V, Ponomarev A, Sidorin A (1991) Quasi static fault growth and shear fracture energy in granite. Nature 350:39–42 8. Ohtsu M (1996) The history and development of acoustic emission in concrete engineering. Mag Concr Res 48:321–330 9. Rundle JB, Turcotte DL, Shcherbakov R, Klein W, Sammis C (2003) Statistical physics approach to understanding the multiscale dynamics of earthquake fault systems. Rev Geophys 41:1019–1049 10. Niccolini G, Schiavi A, Tarizzo P, Carpinteri A, Lacidogna G, Manuello A (2010) Scaling in temporal occurrence of quasi-rigid-body vibration pulses due to macrofractures.

Exp Mech 50:1235–1243 4. Carpinteri A, Borla O, Lacidogna G, Manuello A (2010) Neutron emissions in brittle rocks during compression tests: monotonic vs cyclic loading. Phys Mesomech 13:268–274 5. Carpinteri A, Lacidogna G, Manuello A, Borla O (2011) Energy emissions from brittle fracture: neutron measurements and geological evidences of piezonuclear reactions. Strenght Fract Complexity 7:13–31 6. Mogi K (1962) Study of elastic shocks caused by the fracture of heterogeneous materials and its relation to earthquake phenomena.

Widom A, Swain J, Srivastava YN (2013) Neutron production from the fracture of piezoelectric rocks. J Phys G Nucl Part Phys 40:15006 (1–8) Chapter 4 Frequency-Dependent Neutron Emissions During Fatigue Tests on Iron-Rich Natural Rocks Alberto Carpinteri, Francesca Maria Cura, Raffaella Sesana, Amedeo Manuello, Oscar Borla, and Giuseppe Lacidogna Abstract The results coming from neutron emission measurements during fatigue experiments performed at low (2 Hz), intermediate (200 Hz), and high (20 kHz) frequency are reported.

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