Carmen Penelopi Papadatu, ANDREI VICTOR Sandu, Marian Bordei, IoAn GABRIEL Sandu<br>Improvement of the Properties Through Monitoring of the <br>Cooling Regimes Applied to Steel for Metal Sculptures

Carmen Penelopi Papadatu, ANDREI VICTOR Sandu, Marian Bordei, IoAn GABRIEL Sandu
Improvement of the Properties Through Monitoring of the
Cooling Regimes Applied to Steel for Metal Sculptures

Abstract:

This work proposed to achieve a statistical analysis and studies the possibility to improve the properties of steel used for elements of metal structures subjected to small requests such as: ornamental elements, metal sculptures, balustrades. An important influence factor is the cooling speed value after heating treatment. It is important to be chooses the optimal cooling regime because the steel was laminated at high temperature or, the steel was heated at high temperature after lamination process. There were considered three groups of samples of the steel, each group had eight samples. Three different mediums for directing of the cooling process were considered and the properties of the steel have been modified. After an experimental program, the values obtained were used to determine a correlation between these variables through an empirical study. A causal connection between two variables such as: the cooling speed (VR) and the hardness of the steel (HB) exists. The main problem of any regression model is to determine the model parameters. This operation can be performed using the least squares approximation method. This paper try to demonstrate that the linear model of unifactorial regression, commonly used in Economics, has applications in the Engineering of the steel. Keywords: steel; properties; monitoring; correlation; statistical model

Issue: 2016, Volume 67, Issue 11

Pages:

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