Синтез номограммы для расчета субоптимального химического состава конструкционного чугуна на основе параметрического описания поверхности отклика предела прочности
DOI :
https://doi.org/10.15587/2313-8416.2017.109175Mots-clés :
конструкционный чугун, субоптимальный химический состав, уравнение регрессии, стационарная область, ридж-анализ, номограммаRésumé
На основе математической модели, описывающей влияние углерода (С) и углеродного эквивалента (Сэкв) на предел прочности на растяжение (σв) конструкционного чугуна, выполнено параметрическое описание поверхности отклика σв=σв(С, СЭКВ). Показано, что для рассмотренной модели в виде уравнения регрессии применение ридж-анализа позволяет найти множество субоптимальных значений входных переменных (С, СЭКВ), обеспечивающих получение заданных марок конструкционного чугуна. Графическое представление таких множеств формирует номограмму для расчета субоптимального химического состава конструкционного чугуна
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