
The paper presents theoretical analysis of the influence of fundamental material properties, namely, crystal lattice constants, grain orientation factors and grain size on the stability of the process of longitudinal stretch-wrap forming of skin sheets. The dependence of the limiting stretch-wrap forming coefficient on grain orientation and structure parameters is established.
Выполнен анализ влияния фундаментальных свойств материала на устойчивость процесса продольной обтяжки обшивочных листов. Установлена зависимость предельного коэффициента обтяжки от параметров текстуры и структуры.
ПРОДОЛЬНАЯ ОБТЯЖКА, КОЭФФИЦИЕНТ ОБТЯЖКИ, РАЗМЕР ЗЕРНА, АНИЗОТРОПИЯ, ПАРАМЕТРЫ ТЕКСТУРЫ, МОДУЛЬ УПРОЧНЕНИЯ, ПОТЕРЯ УСТОЙЧИВОСТИ, ПЛОСКОЕ НАПРЯЖЁННОЕ СОСТОЯНИЕ
ПРОДОЛЬНАЯ ОБТЯЖКА, КОЭФФИЦИЕНТ ОБТЯЖКИ, РАЗМЕР ЗЕРНА, АНИЗОТРОПИЯ, ПАРАМЕТРЫ ТЕКСТУРЫ, МОДУЛЬ УПРОЧНЕНИЯ, ПОТЕРЯ УСТОЙЧИВОСТИ, ПЛОСКОЕ НАПРЯЖЁННОЕ СОСТОЯНИЕ
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