A Modified Johnson–Cook Model for Flow Behavior of Alloy 800H at Intermediate Strain Rates and High Temperatures
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DOI: 10.1007/s11665-017-3076-x
Abstract: A modified Johnson–Cook model for the flow behavior of alloy 800H at intermediate strain rates and high temperatures is presented. The modification is based on a study of the relation between strain hardening and both… read more here.
Keywords: johnson cook; model; cook model; strain ... See more keywords
Determination of Johnson-Cook constitutive equation for Inconel 601
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-018-0311-9
Abstract: Due to their superior thermal and mechanical properties, super alloys widely used in the aerospace industry have been well-documented in terms of AdvantEdge-based analysis of cutting characteristics rather than experimental methods. However, the well-known super… read more here.
Keywords: cook constitutive; inconel 601; johnson cook; constitutive equation ... See more keywords
Johnson-Cook parameter evaluation from ballistic impact data via iterative FEM modelling
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DOI: 10.1016/j.ijimpeng.2017.10.012
Abstract: Abstract A methodology is presented for evaluating a strain rate sensitivity parameter for plastic deformation of bulk metallic materials. It involves ballistic impact with a hard spherical projectile, followed by repeated FEM modelling, with predicted… read more here.
Keywords: fem modelling; impact; parameter; ballistic impact ... See more keywords
Impact resistance prediction of superalloy honeycomb using modified Johnson–Cook constitutive model and fracture criterion
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DOI: 10.1016/j.ijimpeng.2019.05.001
Abstract: Abstract In this study, to further understand the containment properties of a containment ring, the deformation behavior of GH3536 superalloy used as the material of the containment ring were investigated over a wide range of… read more here.
Keywords: fracture; model; johnson cook; criterion ... See more keywords
A comparative study on Johnson-Cook and modified Johnson-Cook constitutive material model to predict the dynamic behavior laser additive manufacturing FeCr alloy
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.06.251
Abstract: Abstract An accurate prediction of flow behavior of metals considering the combined effects of strain, strain rate and temperature is essential for understanding flow response of metals, and a key requirement for numerical modeling and… read more here.
Keywords: fecr alloy; johnson cook; model; strain rate ... See more keywords
Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model
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DOI: 10.1016/j.nme.2020.100768
Abstract: Abstract CuCrZr alloy has been acknowledged as one of the most promising candidate materials for the heat sink of plasma facing components in nuclear fusion devices with its excellent thermal conductivity and specific mechanical strength.… read more here.
Keywords: cook model; johnson cook; cucrzr alloy;
Propagation of Johnson-Cook flow stress model uncertainty to milling force uncertainty using finite element analysis and time domain simulation
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DOI: 10.1016/j.promfg.2021.06.025
Abstract: Abstract This paper describes the propagation of uncertainty in the parameters for a 6061-T6 aluminum Johnson-Cook flow stress model to, first, the uncertainty in the corresponding mechanistic cutting force model obtained by orthogonal cutting finite… read more here.
Keywords: uncertainty; model; force; simulation ... See more keywords
Using FEM simulations of cutting for evaluating the performance of different johnson cook parameter sets acquired with inverse methods
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DOI: 10.1016/j.rcim.2016.10.006
Abstract: Abstract Material model parameters are the primary source of error in the finite element analysis (FEM) of cutting processes. Expensive and time consuming material testing is required in order to describe the material's behavior in… read more here.
Keywords: analysis; inverse analysis; model; performance ... See more keywords
Constitutive model of 6063 aluminum alloy under the ultrasonic vibration upsetting based on Johnson-Cook model.
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DOI: 10.1016/j.ultras.2019.03.017
Abstract: Establishing an accurate constitutive relation in ultrasonic vibration assisted metal forming, can provides a reliable theoretical basis for analyzing the mechanism of the ultrasonic vibration on materials. A constitutive model of 6063 aluminum alloy under… read more here.
Keywords: vibration; vibration upsetting; ultrasonic vibration; johnson cook ... See more keywords
A modified Johnson-Cook model of 6061-T6 Aluminium profile
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DOI: 10.1080/14484846.2020.1721966
Abstract: The flow behaviour of the 6061-T6 aluminium profile in different specimen directions at different strain rates was studied by the tensile test. The results reveal that the constitutive relation of ... read more here.
Keywords: aluminium profile; johnson cook; modified johnson; 6061 aluminium ... See more keywords
Parametric study of aluminum bar shearing using Johnson-Cook material modeling
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DOI: 10.1177/0954405421995621
Abstract: Previous studies of the shearing process demonstrated that clearance and shear rate are the most influential parameters on the geometry of sheared billets. This paper illustrates a parametric numerical study of the impact of these… read more here.
Keywords: study; shear surface; geometry; rate ... See more keywords