A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component

Rouse, J.P.; Zacharzewski, Piotr; Hyde, C.J.; Jefferson-Loveday, Richard J.; Morris, A.; Kyaw, S.T.

doi:10.1016/j.ijfatigue.2018.03.032

Investigation of short-term creep deformation mechanisms in MarBN steel at elevated temperatures (2018)
Journal Article
Benaarbia, A., Xu, X., Sun, W., Becker, A., & Jepson, M. (2018). Investigation of short-term creep deformation mechanisms in MarBN steel at elevated temperatures. Materials Science and Engineering: A, 734, 491-505. https://doi.org/10.1016/j.msea.2018.06.063

This paper reports the short-term creep behavior at elevated temperatures of a MarBN steel variant. Creep tests were performed at 3 different temperatures (625oC, 650oC and 675oC) with applied stresses ranging from 160 MPa to 300 MPa, and failure tim... Read More about Investigation of short-term creep deformation mechanisms in MarBN steel at elevated temperatures.

Design of power, propulsion, and thermal sub-systems for a 3U CubeSat measuring Earth’s radiation imbalance (2018)
Journal Article
Claricoats, J., & Dakka, S. M. (2018). Design of power, propulsion, and thermal sub-systems for a 3U CubeSat measuring Earth’s radiation imbalance. Aerospace, 5(2), Article 63. https://doi.org/10.3390/aerospace5020063

The paper presents the development of the power, propulsion, and thermal systems for a 3U CubeSat orbiting Earth at a radius of 600 km measuring the radiation imbalance using the RAVAN (Radiometer Assessment using Vertically Aligned NanoTubes) payloa... Read More about Design of power, propulsion, and thermal sub-systems for a 3U CubeSat measuring Earth’s radiation imbalance.

Deformation and fracture characteristics of Al6092/SiC/17.5p metal matrix composite sheets due to heat treatments (2018)
Journal Article
Gatea, S., Ou, H., & McCartney, G. (2018). Deformation and fracture characteristics of Al6092/SiC/17.5p metal matrix composite sheets due to heat treatments. Materials Characterization, 142, https://doi.org/10.1016/j.matchar.2018.05.050

In metal matrix composite (MMC) materials, the reaction between the metal matrix and reinforcement particles could change the composition of the matrix and the interface and lead to interfacial compounds. These intermetallic compounds may have either... Read More about Deformation and fracture characteristics of Al6092/SiC/17.5p metal matrix composite sheets due to heat treatments.

Output feedback control of flow separation over an aerofoil using plasma actuators (2018)
Journal Article
Broglia, R., Choi, K., Houston, P., Pasquale, L., & Zanchetta, P. (2018). Output feedback control of flow separation over an aerofoil using plasma actuators. International Journal of Numerical Analysis and Modeling, 15(6),

We address the problem of controlling the unsteady flow separation over an aerofoil, using plasma actuators. Despite the complexity of the dynamics of interest, we show how the problem of controlling flow separation can be formulated as a simple set... Read More about Output feedback control of flow separation over an aerofoil using plasma actuators.

Process parameter optimisation of laser clad iron based alloy: Predictive models of deposition efficiency, porosity and dilution (2018)
Journal Article
Reddy, L., Preston, S. P., Shipway, P., Davis, C., & Hussain, T. (2018). Process parameter optimisation of laser clad iron based alloy: Predictive models of deposition efficiency, porosity and dilution. Surface and Coatings Technology, 349, 198-207. https://doi.org/10.1016/j.surfcoat.2018.05.054

As a candidate coating material for heat-exchanger surfaces in commercial power generation boiler, an amorphous/glass forming Fe-Cr-B alloy NanoSteel SHS 7170 was deposited by a 2 kW fibre laser onto a boiler grade steel substrate (15Mo3). A comprehe... Read More about Process parameter optimisation of laser clad iron based alloy: Predictive models of deposition efficiency, porosity and dilution.

GA based adaptive singularity-robust path planning of space robot for on-orbit detection (2018)
Journal Article
Wu, J., Bin, D., Feng, X., Wen, Z., & Zhang, Y. (2018). GA based adaptive singularity-robust path planning of space robot for on-orbit detection. Complexity, 2018, https://doi.org/10.1155/2018/3702916

As a new on-orbit detection platform, the space robot could ensure stable and reliable operation of spacecraft in complex space environments. The tracking accuracy of the space manipulator end-effector is crucial to the detection precision. In this p... Read More about GA based adaptive singularity-robust path planning of space robot for on-orbit detection.

Mechanical behavior optimization of chitosan extracted from shrimp shells as a sustainable material for shopping bags (2018)
Journal Article
D’Angelo, G., Elhussieny, A., Faisal, M., Fahim, I., & Everitt, N. M. (2018). Mechanical behavior optimization of chitosan extracted from shrimp shells as a sustainable material for shopping bags. Journal of Functional Biomaterials, 9(2), Article 37. https://doi.org/10.3390/jfb9020037

The use of biodegradable materials for shopping bag production, and other products made from plastics, has recently been an object of intense research—with the aim of reducing the environmental burdens given by conventional materials. Chitosan is a p... Read More about Mechanical behavior optimization of chitosan extracted from shrimp shells as a sustainable material for shopping bags.

Small launch platforms for micro-satellites (2018)
Journal Article
Cappelletti, C., Battistini, S., & Graziani, F. (2018). Small launch platforms for micro-satellites. Advances in Space Research, 62(12), 3298-3304. https://doi.org/10.1016/j.asr.2018.05.004

The number of small satellites launched into orbit has enormously increased in the last twenty years. The introduction of new standards of micro-satellites has multiplied the launch demand around the world. Nevertheless, not all the missions can easi... Read More about Small launch platforms for micro-satellites.

A self-calibration rotational stitching method for precision measurement of revolving surfaces (2018)
Journal Article
Liu, M., Cheung, C., Feng, X., Wang, C., & Leach, R. (in press). A self-calibration rotational stitching method for precision measurement of revolving surfaces. Precision Engineering, https://doi.org/10.1016/j.precisioneng.2018.05.002

When measuring revolving objects, it is often desired to obtain not only the geometrical form of the workpiece, but also the topography of the surface, as they both affect the performance of the part. However, holistic measurement of the entire three... Read More about A self-calibration rotational stitching method for precision measurement of revolving surfaces.

Robust hydrophobic surfaces from suspension HVOF thermal sprayed rare-earth oxide ceramics coatings (2018)
Journal Article
Bai, M., Kazi, H., Zhang, X., Liu, J., & Hussain, T. (2018). Robust hydrophobic surfaces from suspension HVOF thermal sprayed rare-earth oxide ceramics coatings. Nature, 8, Article 6973. https://doi.org/10.1038/s41598-018-25375-y

This study has presented an efficient coating method, namely suspension high velocity oxy-fuel (SHVOF) thermal spraying, to produce large super-hydrophobic ceramic surfaces with a unique micro- and nano-scale hierarchical structures to mimic natural... Read More about Robust hydrophobic surfaces from suspension HVOF thermal sprayed rare-earth oxide ceramics coatings.

The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics (2018)
Journal Article
Li, L., Li, M., & Sinclair, D. C. (in press). The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics. Applied Physics Letters, 112, https://doi.org/10.1063/1.5025275

The solid solution (KxNa0.50-x)Bi0.50TiO3 (KNBT) between Na1/2Bi1/2TiO3 (NBT) and K1/2Bi1/2TiO3 (KBT) has been extensively researched as a candidate lead-free piezoelectric material because of its relatively high Curie temperature and good piezoelect... Read More about The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics.

Precision enhanced electrochemical jet processing (2018)
Journal Article
Clare, A. T., Speidel, A., Bisterov, I., Jackson-Crisp, A., & Mitchell-Smith, J. (2018). Precision enhanced electrochemical jet processing. CIRP Annals - Manufacturing Technology, 67(1), 205-208. https://doi.org/10.1016/j.cirp.2018.04.086

Through electro-physical modification of the electrode gap in electrochemical jet techniques, precision has been shown to be greatly increased. Repeatable kerf widths approaching the diameter of the nozzle are demonstrated and the individual contribu... Read More about Precision enhanced electrochemical jet processing.

On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools (2018)
Journal Article
Li, H. N., & Axinte, D. (2018). On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools. International Journal of Machine Tools and Manufacture, 132, https://doi.org/10.1016/j.ijmachtools.2018.04.006

In order to lower temperature, abrasive tools with passive-grinding, e.g. textured, areas (PGA) have been suggested. However, most of the reported PGA geometries (e.g. slots, holes) have been determined based on the engineering intuition (i.e. trial... Read More about On the inverse design of discontinuous abrasive surface to lower friction-induced temperature in grinding: an example of engineered abrasive tools.

Robust autopilot design for landing a large civil aircraft in crosswind (2018)
Journal Article
Theis, J., Ossmann, D., Thielecke, F., & Pfifer, H. (2018). Robust autopilot design for landing a large civil aircraft in crosswind. Control Engineering Practice, 76, 54-64. https://doi.org/10.1016/j.conengprac.2018.04.010

A comprehensive autolanding design for a representative model of a twin-engined commercial aircraft is presented in this paper. To facilitate the design task and minimize control law switching, a cascaded control structure is selected which resembles... Read More about Robust autopilot design for landing a large civil aircraft in crosswind.

Effect of SiO2 dispersion on chlorine-induced high temperature corrosion of HVAF-sprayed NiCrMo coating (2018)
Journal Article
Sadeghimeresht, E., Markocsan, N., Hussain, T., Huhtakangas, M., & Joshi, S. (2018). Effect of SiO2 dispersion on chlorine-induced high temperature corrosion of HVAF-sprayed NiCrMo coating. CORROSION, 74(9), 984-1000. https://doi.org/10.5006/2802

NiCrMo coatings with and without dispersed SiO2 were deposited using high velocity air-fuel (HVAF) technique. Thermogravimetric experiments were conducted in 5% O2+500 vppm HCl+N2 with and without a KCl deposit at 600 °C for up to 168 h. The SiO2-con... Read More about Effect of SiO2 dispersion on chlorine-induced high temperature corrosion of HVAF-sprayed NiCrMo coating.

Electrolyte multiplexing in electrochemical jet processing (2018)
Journal Article
Mitchell-Smith, J., Speidel, A., Bisterov, I., & Clare, A. T. (2018). Electrolyte multiplexing in electrochemical jet processing. Procedia CIRP, 68, (483-487). doi:10.1016/j.procir.2017.12.088. ISSN 2212-8271

Electrolyte design for electrochemical jet processing (EJP) techniques can directly affect form and finish of machined structures. A newly developed, industrially focused, EJP machining centre was designed to incorporate complete control of all rele... Read More about Electrolyte multiplexing in electrochemical jet processing.

Hierarchical-information-based characterization of multiscale structured surfaces (2018)
Journal Article
Cheung, C. F., Liu, M., Leach, R., Feng, X., & Zhao, C. (2018). Hierarchical-information-based characterization of multiscale structured surfaces. CIRP Annals - Manufacturing Technology, 67(1), 539-542. https://doi.org/10.1016/j.cirp.2018.04.002

© 2018 This paper presents a hierarchical-information-based characterization method for multiscale structured surfaces. The method makes use of a priori information of the multiscale surface and a hierarchical segmentation–registration (HSR) algorith... Read More about Hierarchical-information-based characterization of multiscale structured surfaces.

Flexible and transparent films produced from cellulose nanowhisker reinforced agarose (2018)
Journal Article
Felfel, R. M., Hossain, K. M. Z., Kabir, S. F., Yee, S. L., Ahmed, I., & Grant, D. M. (2018). Flexible and transparent films produced from cellulose nanowhisker reinforced agarose. Carbohydrate Polymers, 194, https://doi.org/10.1016/j.carbpol.2018.04.005

Transparent and flexible nanocomposite films with a range of Agarose to Cellulose Nano-Whisker (CNW) ratios were produced using never-dried CNWs. The incorporation of never-dried CNWs within Agarose played an important role in the surface roughness (... Read More about Flexible and transparent films produced from cellulose nanowhisker reinforced agarose.

A thermodynamically-based viscoelastic-viscoplastic model for the high temperature cyclic behaviour of 9-12% Cr steels (2018)
Journal Article
Benaarbia, A., Rouse, J. P., & Sun, W. (2018). A thermodynamically-based viscoelastic-viscoplastic model for the high temperature cyclic behaviour of 9-12% Cr steels. International Journal of Plasticity, 107, https://doi.org/10.1016/j.ijplas.2018.03.015

Improving the understanding of the long term rate dependent behaviour of materials is of critical importance in many engineering applications. Without this understanding, it is potentially difficult to ensure safe and effective plant operation while... Read More about A thermodynamically-based viscoelastic-viscoplastic model for the high temperature cyclic behaviour of 9-12% Cr steels.

A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component (2018)
Journal Article
Rouse, J., Zacharzewski, P., Hyde, C., Jefferson-Loveday, R. J., Morris, A., & Kyaw, S. (2018). A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component. International Journal of Fatigue, 113, 137-148. https://doi.org/10.1016/j.ijfatigue.2018.03.032

Societal and environmental pressures are forcing thermal power plant operators to deviate greatly from the generation strategies of the past. The application of high frequency start up/shut down/partial load cycles to components that may well be outs... Read More about A case study investigation into the effects of spatially dependent convection coefficients on the fatigue response of a power plant header component.

All Outputs (384)