A new framework for simulation of heat treatments

Date

2010-12-01

Author

Şimşir, Caner
Gür, Cemil Hakan

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

244
views

0
downloads

In this study, a mathematical framework based on finite element method (FEM) capable of predicting temperature history, evolution of phases and internal stresses during thermal treatment of metals and alloys was developed. The model was integrated into the commercial FEA software MSC.Marc® by user subroutines. The accuracy of the model was verified by simulating the quenching of eccentrically drilled steel cylinders. Simulation results were justified via SEM observations and XRD residual stress measurements.

Subject Keywords

General Materials Science

URI

https://hdl.handle.net/11511/41938

Journal

International Journal of Microstructure and Materials Properties

DOI

https://doi.org/10.1504/ijmmp.2010.037616

Collections

Department of Metallurgical and Materials Engineering, Article

Suggestions

OpenMETU
Core

Analysis and calculation of the magnetization, magnetic susceptibility and the specific heat close to phase transitions in heterometallics Dugan, E. Kilit; Yurtseven, Hasan Hamit (Elsevier BV, 2019-10-01) The temperature dependence of the magnetization for DMFeNi and DMFeCu is calculated by the molecular field theory and it is also analyzed as functions of temperature and the magnetic field by the power-law formulae close to the phase transitions in these compounds by using the observed data from the literature. From the analysis, values of the critical exponents beta (temperature-induced order parameter at H = 100 Oe) and delta (field-induced order parameter at T = 2 K) are deduced. Also, using the observed...
Simulation of equal channel angular pressing applied to produce structures with ultrafine-sized grains Karpuz, Pinar; Şimşir, Caner; Gür, Cemil Hakan (Inderscience Publishers, 2009-01-01) Severe plastic deformation methods are of great interest in industrial forming applications, as they give rise to significant refinement in microstructures and improvements in mechanical and physical properties. In the 'equal channel angular pressing (ECAP)', which is the most common method for production of ultrafine grained bulk samples, very high plastic strains are introduced into the bulk material without any change in cross section. In this study, the plastic deformation behaviour of the materials sub...
Investigation of as-quenched and tempered commercial steels by Magnetic Barkhausen Noise method Gür, Cemil Hakan; Çam, İbrahim (Inderscience Publishers, 2006-01-01) This study aims to characterise as-quenched and tempered steels by the Magnetic Barkhausen Noise method, and to contribute to optimisation of heat treatment processes. Identical austenitisation and quenching procedures were applied to SAE 1040 and SAE 4140 specimens to eliminate the effect of grain size. Samples were tempered at 200°C and 600°C for 2 hours. Microstructures were characterised by metallographic examinations and hardness measurements. Amplitude, position and frequency spectrum of signals were ...
AN EXPERIMENTAL INVESTIGATION OF POLYVINYL-CHLORIDE) EMULSION POLYMERIZATION - EFFECT OF INITIATOR AND EMULSIFIER CONCENTRATIONS ON POLYMERIZATION KINETICS AND PRODUCT PARTICLE-SIZE Karakaş, Gürkan (Wiley, 1989-01-01) Effects of concentration changes in initiator species Na2SO3, (NH4)2S2O8 and CuSO4, and emulsifier, ammonium stearate, on poly(vinyl chloride) (PVC) emulsion polymerization kinetics and on product particle size were experimentally investigated. It was observed that to obtain industrially significant rates and overall conversions, not only an optimum concentration ratio of Na2SO3/(NH4)2S2O8/CuSO 4 must be used, but also the concentrations of these species must be above certain limits. Increasing the concentr...
DSC STUDIES ON MELT CRYSTALLIZED, DRAWN AND FUMING NITRIC-ACID OXIDIZED POLYETHYLENE Akar, Ahmet; Zaim, Ömer; Tinçer, Teoman; Aydoğan, A. Cevdet (Wiley, 1989-4) Melting, recrystallisation and remelting of undrawn and drawn linear polyethylene with different molecular weight were studied by differential scanning calorimetry before and after oxidation with nitric acid.

Citation Formats

C. Şimşir and C. H. Gür, “A new framework for simulation of heat treatments,” International Journal of Microstructure and Materials Properties, pp. 399–411, 2010, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/41938.