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Small ring testing of high temperature materials (2017)
Journal Article
Hyde, C. J., Hyde, T. H., & Sun, W. (in press). Small ring testing of high temperature materials. Key Engineering Materials, 734, https://doi.org/10.4028/www.scientific.net/KEM.734.168

In service components such as steam pipes, pipe branches, gas and steam turbine blades, etc. which operate in engineering applications such as power plant, aero-engines, chemical plant etc., can operate at temperatures which are high enough for creep... Read More about Small ring testing of high temperature materials.

Practical considerations of the use of cross-weld and compact tension specimens’ creep data (2016)
Journal Article
Petkov, M. P., Hyde, C. J., & Hyde, T. H. (2016). Practical considerations of the use of cross-weld and compact tension specimens’ creep data. Journal of Strain Analysis for Engineering Design, 51(3), 179-206. https://doi.org/10.1177/0309324715627575

This article gives an overview of the use of cross-weld and compact tension specimen modelling and analyses data to characterise creep behaviour of the high-temperature components. Cross-weld and compact tension specimens are used to describe creep c... Read More about Practical considerations of the use of cross-weld and compact tension specimens’ creep data.

Micromechanical finite element modelling of thermo-mechanical fatigue for P91 steels (2016)
Journal Article
Li, D.-F., Barrett, R. A., O’Donoghue, P. E., Hyde, C. J., O’Dowd, N. P., & Leen, S. B. (2016). Micromechanical finite element modelling of thermo-mechanical fatigue for P91 steels. International Journal of Fatigue, 87, https://doi.org/10.1016/j.ijfatigue.2015.11.025

In this paper, the cyclic plasticity and fatigue crack initiation behaviour of a tempered martensite ferritic steel under thermo-mechanical fatigue conditions is examined by means of micromechanical finite element modelling. The crystal plasticity-ba... Read More about Micromechanical finite element modelling of thermo-mechanical fatigue for P91 steels.

A comparison of simple methods to incorporate material temperature dependency in the Green’s function method for estimating transient thermal stresses in thick-walled power plant components (2016)
Journal Article
Rouse, J., & Hyde, C. J. (in press). A comparison of simple methods to incorporate material temperature dependency in the Green’s function method for estimating transient thermal stresses in thick-walled power plant components. Materials, 9(1), https://doi.org/10.3390/ma9010026

The threat of thermal fatigue is an increasing concern for thermal power plant operators due to the increasing tendency to adopt “two-shifting” operating procedures. Thermal plants are likely to remain part of the energy portfolio for the foreseeable... Read More about A comparison of simple methods to incorporate material temperature dependency in the Green’s function method for estimating transient thermal stresses in thick-walled power plant components.

Cyclic thermomechanical testing of 316 stainless steel (2015)
Journal Article
Buss, T., & Hyde, C. J. (in press). Cyclic thermomechanical testing of 316 stainless steel. Materials at High Temperatures, 32(3), https://doi.org/10.1179/0960340914Z.00000000068

Materials used for components such as power plant steam pipes, gas turbines discs and die forming machinery can be subject to combinations of extreme loading and temperature conditions. In addition, the materials can contain or develop cracks. Once a... Read More about Cyclic thermomechanical testing of 316 stainless steel.

Cyclic viscoplasticity testing and modeling of a service-aged P91 steel (2014)
Journal Article
Hyde, C. J., Sun, W., Hyde, T., Rouse, J., Farragher, T., O'Dowd, N. P., & Leen, S. (2014). Cyclic viscoplasticity testing and modeling of a service-aged P91 steel. Journal of Pressure Vessel Technology, 136(4), Article 044501. https://doi.org/10.1115/1.4026865

A service-aged P91 steel was used to perform an experimental program of cyclic mechanical testing in the temperature range of 400 °C–600 °C, under isothermal conditions, using both saw-tooth and dwell (inclusion of a constant strain dwell period at t... Read More about Cyclic viscoplasticity testing and modeling of a service-aged P91 steel.

High temperature, low cycle fatigue characterization of P91 weld and heat affected zone material (2014)
Journal Article
Farragher, T., Scully, S., O'Dowd, N., Hyde, C. J., & Leen, S. (2014). High temperature, low cycle fatigue characterization of P91 weld and heat affected zone material. Journal of Pressure Vessel Technology, 136(2), Article 021403. https://doi.org/10.1115/1.4025943

The high temperature low cycle fatigue behavior of P91 weld metal (WM) and weld joints (cross-weld) is presented. Strain-controlled tests have been carried out at 400 °C and 500 °C. The cyclic behavior of the weld material (WM) and cross-weld (CW) sp... Read More about High temperature, low cycle fatigue characterization of P91 weld and heat affected zone material.

A unified viscoplastic model for high temperature low cycle fatigue of service-aged P91 steel (2014)
Journal Article
Barrett, R., Farragher, T., Hyde, C. J., O'Dowd, N., O'Donoghue, P., & Leen, S. (2014). A unified viscoplastic model for high temperature low cycle fatigue of service-aged P91 steel. Journal of Pressure Vessel Technology, 136(2), Article 021402. https://doi.org/10.1115/1.4025618

The finite element (FE) implementation of a hyperbolic sine unified cyclic viscoplasticity model is presented. The hyperbolic sine flow rule facilitates the identification of strain-rate independent material parameters for high temperature applicatio... Read More about A unified viscoplastic model for high temperature low cycle fatigue of service-aged P91 steel.

Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. (in press). Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data. Materials Science and Technology, 30(1), https://doi.org/10.1179/1743284713Y.0000000277

A procedure to estimate material constants for the unified Chaboche viscoplasticity model from experimental data has been published elsewhere; however several critical assumptions are made to enable this and potential numerical problems can limit the... Read More about Pragmatic optimisation methods for determining material constants of viscoplasticity model from isothermal experimental data.

Applied Creep Mechanics (2013)
Book
Hyde, T. H., Sun, W., & Hyde, C. J. (2013). Applied Creep Mechanics. McGraw-Hill

Small ring testing of a creep resistant material (2013)
Journal Article
Hyde, C. J., Hyde, T., Sun, W., Nardone, S., & De Bruycker, E. (2013). Small ring testing of a creep resistant material. Materials Science and Engineering: A, 586, https://doi.org/10.1016/j.msea.2013.07.081

Many components in conventional and nuclear power plant, aero-engines, chemical plant etc., operate at temperatures which are high enough for creep to occur. These include steam pipes, pipe branches, gas and steam turbine blades, etc. The manufacture... Read More about Small ring testing of a creep resistant material.

Characterization of viscoplasticity behaviour of P91 and P92 power plant steels (2013)
Journal Article
Saad, A. A., Hyde, T., Sun, W., Hyde, C. J., & Tanner, D. W. J. (2013). Characterization of viscoplasticity behaviour of P91 and P92 power plant steels. International Journal of Pressure Vessels and Piping, 111-112, https://doi.org/10.1016/j.ijpvp.2013.08.001

This paper deals with the determination of material constitutive model for P91 and P92 steels at high temperatures. An isothermal, strain-controlled test programme was conducted for both steels for a temperature range between 400 and 675 °C. The expe... Read More about Characterization of viscoplasticity behaviour of P91 and P92 power plant steels.

Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. (2013). Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model. Journal of Strain Analysis for Engineering Design, 48(6), https://doi.org/10.1177/0309324713490925

Determining representative material constant sets for models that can accurately predict the complex plasticity and creep behaviour of components undergoing cyclic loading is of great interest to many industries. The Chaboche unified visco-plasticity... Read More about Comparison of several optimisation strategies for the determination of material constants in the Chaboche visco-plasticity model.

Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter (2013)
Journal Article
Rouse, J. P., Hyde, C. J., Sun, W., & Hyde, T. H. (2013). Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter. Materials at High Temperatures, 30(2), 117-128. https://doi.org/10.3184/096034013x13720928952114

It may be inevitable in the design and analysis of most high temperature components (such as power industry pipe work) that variations in load and/or temperature will occur in normal operation. This presents complications in the prediction of the res... Read More about Effective determination of cyclic-visco-plasticity material properties using an optimisation procedure and experimental data exhibiting scatter.

Theoretical basis and practical aspects of small specimen creep testing (2012)
Journal Article
Hyde, T. H., Hyde, C. J., & Sun, W. (2013). Theoretical basis and practical aspects of small specimen creep testing. Journal of Strain Analysis for Engineering Design, 48(2), 112-125. https://doi.org/10.1177/0309324712463299

Interest in and the application of small specimen creep test techniques are increasing. This is because it is only possible to obtain small samples of material in some situations, for example, the scoop samples that are removed from in-service compon... Read More about Theoretical basis and practical aspects of small specimen creep testing.

Thermo-mechanical fatigue testing and simulation using a viscoplasticity model for a P91 steel (2012)
Journal Article
Hyde, C. J., Sun, W., Hyde, T., & Saad, A. (2012). Thermo-mechanical fatigue testing and simulation using a viscoplasticity model for a P91 steel. Computational Materials Science, 56, https://doi.org/10.1016/j.commatsci.2012.01.006

An experimental programme of cyclic thermo-mechanical testing for a P91 power plant steel, under isothermal, and in-phase and out-of-phase thermo-mechanical, temperature-strain cycle conditions, has been implemented. Using the experimental data, an o... Read More about Thermo-mechanical fatigue testing and simulation using a viscoplasticity model for a P91 steel.

An investigation of the failure mechanisms in high temperature materials subjected to isothermal and anisothermal fatigue and creep conditions (2011)
Journal Article
Hyde, C. J., Sun, W., & Hyde, T. (in press). An investigation of the failure mechanisms in high temperature materials subjected to isothermal and anisothermal fatigue and creep conditions. Procedia Engineering, 10, https://doi.org/10.1016/j.proeng.2011.04.192

Many engineering components are subjected to conditions which have a detrimental effect on the materials from which they are made. Such components are used, for example, within high temperature regions of aeroengines (e.g. turbine discs) and power pl... Read More about An investigation of the failure mechanisms in high temperature materials subjected to isothermal and anisothermal fatigue and creep conditions.

Damage mechanics based predictions of creep crack growth in 316 stainless steel (2010)
Journal Article
Hyde, C. J., Hyde, T., Sun, W., & Becker, A. (2010). Damage mechanics based predictions of creep crack growth in 316 stainless steel. Engineering Fracture Mechanics, 77(12), https://doi.org/10.1016/j.engfracmech.2010.06.011

This paper describes a novel modelling process for creep crack growth prediction of a 316 stainless steel using continuum damage mechanics, in conjunction with finite element (FE) analysis. A damage material behaviour model, proposed by Liu and Murak... Read More about Damage mechanics based predictions of creep crack growth in 316 stainless steel.

Cyclic thermo-mechanical material modelling and testing of 316 stainless steel (2010)
Journal Article
Hyde, C. J., Sun, W., & Leen, S. B. (2010). Cyclic thermo-mechanical material modelling and testing of 316 stainless steel. International Journal of Pressure Vessels and Piping, 87(6), https://doi.org/10.1016/j.ijpvp.2010.03.007

A programme of cyclic mechanical testing of a 316 stainless steel, at temperatures of up to 600 °C under isothermal conditions, for the identification of material constitutive constants, has been carried out using a thermo-mechanical fatigue test mac... Read More about Cyclic thermo-mechanical material modelling and testing of 316 stainless steel.