Calculation of microstructure and hardness of hot rolled steel bars
Authors: Jansson, B.; Rolfson, M.; Thuvander, A.; Melander, A.; Wullimann, C.
Source: Materials Science and Technology, Volume 7, Number 2, February 1991 , pp. 118-128(11)
Publisher: Maney Publishing
Abstract:A procedure for computer aided calculation of the distribution of microstructure and mechanical properties of steel parts is outlined. The microstructural constitution in a certain position is calculated from the local cooling rate, grain size, and chemical composition by the Creusot–Loire regression model. The variation of mechanical properties is predicted from the microstructure and cooling rate distributions and the steel composition by empirical models. In the general case, numerical methods, e.g. the finite element method, must be applied to calculate the cooling rate at different positions of steel parts having complex geometrical form. Reasonable expressions for the temperature dependency of thermal properties, i.e. heat capacity and heat conductivity, of low alloy steels have been evaluated from literature data. An approximate expression for the calculation of cooling rates for air cooling of bars of small dimensions is derived. The procedure is used to predict microstructure and hardness after hot rolling and air cooling of steel bars.
Document Type: Research Article
Publication date: 1991-02-01
Authors wishing to cite fast track papers should give the journal name and the article DOI. This will enable reference linking via CrossRef and allow forward and backward citation tracking systems to associate the fast track citation with the final journal reference.Materials Science and Technology is the successor of two previous titles, for which digitised archives are available: Metal Science (Vols. 1—17; 1967—84) and Metals Technology (Vols. 1—11; 1974—84).
- Editorial Board
- Information for Authors
- Subscribe to this Title
- Terms & Conditions
- Online submission site
- ingentaconnect is not responsible for the content or availability of external websites