Relationship between hardness and tensile properties in various single structured steels
Source: Materials Science and Technology, Volume 17, Number 5, May 2001 , pp. 505-511(7)
Publisher: Maney Publishing
Abstract:An attempt has been made to establish a relationship between hardness and tensile properties for various single structured steels: ferrite, pearlite, bainite, and martensite. It is found that the proportionality constant A Y of hardness to yield strength changes from 5.79 to 3.17 and is highest for the ferrite steel and lowest for the tempered martensitic steels. A less pronounced change was found in the proportionality constant A T of hardness to tensile strength (from 3.97 to 2.72). A dependence on microstructure of the proportionality constant at 8% strain A 0.08 was found as well. This difference in A was found to be attributable mostly to the effect of different work hardening behaviours owing to different microstructures. Regression analysis shows that hardness can be expressed as a function of accessible material parameters such as composition, grain size, and transformation temperatures for various single structured steels within a certain degree of accuracy.
Document Type: Regular Paper
Affiliations: 1: The Department of Production Systems Engineering, Toyohashi University of Technology, Tempakucho, Toyohashi, 441–8580, Aichi, Japan 2: The Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering and Technology, Dacca, 1000, Bangladesh
Publication date: 2001-05-01
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).
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