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2012 | 121 | 3 | 711-714
Article title

Mechanochemistry and the Other Branches of Chemistry: Similarities and Differences

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EN
Abstracts
EN
It is argued that mechanical action can induce a unique chemical reaction, if enough mechanical energy is concentrated in the bonds involved in the process to bypass the activation energy. This can happen at crack tips, at the core of dislocations, or at the asperities of colliding or sliding surfaces. A mechanical reaction is always complex, as the macroscopic work is distributed among many possible reaction sites. In comparison, an elementary photochemical reaction is induced by a single photon, while thermochemical reactions rely on the accidental concentration of energy by thermal fluctuations. The paper also compares mechanochemical synthesis in a ball mill with reactions under well-defined loading conditions and mechanochemical experiments carried out on the molecular scale. Closer interaction among those branches of mechanochemistry is urged.
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  • Department of Physics, University of Maryland - Baltimore County, 1000 Hilltop Circle, Baltimore MD 21250, USA
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YADDA identifier
bwmeta1.element.bwnjournal-article-a121z3p27kz
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