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Investigation Of Carburized Quenching Process Of Shafts Using Computer Simulations

BROWSE_DETAIL_CREATION_DATE: 21-12-2017

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BROWSE_DETAIL_TYPE: Thesis

BROWSE_DETAIL_SUB_TYPE: Masters

BROWSE_DETAIL_PUBLISH_STATE: Unpublished

BROWSE_DETAIL_FORMAT: PDF Document

BROWSE_DETAIL_LANG: English

BROWSE_DETAIL_SUBJECTS: Manufactures,

BROWSE_DETAIL_CREATORS: Yazır Terzi, Büşra (Author),

BROWSE_DETAIL_CONTRIBUTERS: Şimşir, Caner (Advisor),

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Carburizing, virtual design of experiments, DIN 16MnCr5, computational sensitivity analysis


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Carburizing and subsequent quenching heat treatments are commonly used industrial processes to improve the properties and performance of steel shafts. Variation of the case depth related to these treatments are the most frequent reason for product rejection. Therefore, the major aim of this study is to identify the suitable control parameters for subsequent optimization of carburized quenching DIN 16MnCr5 (1.7131) steel shafts. Another aim is to estimate inevitable experimental variations and determine the accuracy of computer simulations in presence of experimental uncertainties in the process parameters. This study is performed on both experiments and simulations. Experimental study is used to verify the simulations. In order to determine the control parameters of the process, a local sensitivity analysis is conducted using computer simulations in which each control parameter is perturbed around its reference state and the associated dimensional changes were correlated to those perturbations by a dimensionless sensitivity index. Additionally, for the purpose of identifying the effective parameters, a virtual design of experiments is performed on finite element method software SYSWELD®


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