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Book synopsis

Na osnovanii eksperimental'nykh dannykh pokazano, chto lokalizatsiya dinamicheskoy deformatsii obyazana vysokoskorostnomu rastyazheniyu, a ne teplovomu razuprochneniyu. Polosa lokalizovannoy deformatsii voznikaet v zone interferentsii voln razgruzki, gde davlenie rastyazheniya ne prevyshaet prochnost' materiala. Geometricheskiy faktor raspolozheniya svobodnykh poverkhnostey, istochnikov razgruzki, yavlyaetsya instrumentom, kotoryy volnovaya mekhanika dala v ruki issledovateley dlya upravleniya protsessom lokalizatsii. Osoboe vnimanie udeleno iglopodobnomu otkol'nomu razrusheniyu, kotoroe yavlyaetsya osnovnym mekhanizmom razrusheniya parovykh turbin, letatel'nykh apparatov, sudovykh vintov i t.d. Na osnove otkol'nogo mekhanizma povrezhdaemosti rassmotrena kavitatsionnaya eroziya, opisan dvukhstadiynyy mekhanizm obrazovaniya "probki" pered snaryadom. Fazovye prevrashcheniya, amorfizatsiya, rekristallizatsiya yavlyayutsya reaktsiey materiala na kratkovremennoe vozdeystvie otritsatel'nogo davleniya. Samoe udivitel'noe, chto vremya protekaniya reaktsiy pri dinamicheskom rastyazhenii na 5-8 poryadkov men'she vremeni reaktsiy pri nagreve do vysokikh temperatur. Kniga budet interesna dlya nauchnykh rabotnikov, izuchayushchikh deystvie impul'snykh nagruzok na materialy.

Book details

• Full title: Etyudy na temu lokalizatsii dinamicheskoy deformatsii
• Author: Buravova Svetlana
• Language: Russian
• Binding: Paperback
• Number of pages: 148
• EAN: 9783639852844
• ISBN: 3639852842
• ID: 09144919
• Publisher: Palmarium Academic Publishing
• Weight: 227 g
• Dimensions: 229 × 152 × 9 mm
• Date of publishing: 25. November 2014

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