Impact of weld restraint on the development of distortion and stress during the electron beam welding of a low-alloy steel subject to solid state phase transformation

Authors: Sun, Y.L., Vasileiou, A.N., Pickering, E.J., Collins, J., Obasi, G., Akrivos, V., Smith, M.C.

Source: In International Journal of Mechanical Sciences 15 April 2021 196

Effects of dilution on the hardness and residual stresses in multipass steel weldments

Authors: Sun, Y.L., Hamelin, C.J., Vasileiou, A.N., Xiong, Q., Flint, T.F., Obasi, G., Francis, J.A., Smith, M.C.

Source: In International Journal of Pressure Vessels and Piping November 2020 187

Characterisation and modelling of tempering during multi-pass welding

Authors: Sun, Y.L., Obasi, G., Hamelin, C.J., Vasileiou, A.N., Flint, T.F., Francis, J.A., Smith, M.C.

Source: In Journal of Materials Processing Tech. August 2019 270:118-131

Effects of dilution on alloy content and microstructure in multi-pass steel welds

Authors: Sun, Y.L., Obasi, G., Hamelin, C.J., Vasileiou, A.N., Flint, T.F., Balakrishnan, J., Smith, M.C., Francis, J.A.

Source: In Journal of Materials Processing Tech. March 2019 265:71-86

Measurement and Prediction of Phase Transformation Kinetics in a Nuclear Steel During Rapid Thermal Cycles

Authors: Obasi, G., Pickering, E. J., Vasileiou, A. N., Sun, Y. L., Rathod, D., Preuss, M., Francis, J. A., Smith, M. C.

Source: Metallurgical and materials transactions A. 50(4):1715-1731

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Effect of Microstructure and Alloy Chemistry on Hydrogen Embrittlement of Precipitation-Hardened Ni-Based Alloys

Authors: Obasi, G. C., Zhang, Z., Sampath, D., Morana, Roberto, Akid, R., Preuss, M.

Source: Metallurgical and materials transactions A. 49(4):1167-1181

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MITIGATION OF NATURAL DISASTERS: WMO'S CONTRIBUTIONS TO SOCIETAL NEEDS IN THE NEW MILLENNIUM
Environmental applications

Authors: Obasi, G. O. P.

Source: SYMPOSIUM ON ENVIRONMENTAL APPLICATIONS. :1-16

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NATURAL DISASTERS AND SUSTAINABLE DEVELOPMENT OF SMALL DEVELOPING ISLANDS
Sustainable development of small island developing states; Small islands, big issues crucial issues in the sustainable development of small developing islands

Authors: Obasi, G. O. P.

Source: WORLD DEVELOPMENT STUDIES. :63-83

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The effect of β grain coarsening on variant selection and texture evolution in a near-β Ti alloy

Authors: Obasi, G. C., da Fonseca, J. Q., Rugg, D., Preuss, M.

Source: MATERIALS SCIENCE AND ENGINEERING A. 576:272-279

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In situ neutron diffraction study of texture evolution and variant selection during the @a->@b->@a phase transformation in Ti-6Al-4V

Authors: Obasi, G. C., Moat, R. J., Leo Prakash, D. G., Kockelmann, W., Quinta da Fonseca, J., Preuss, M.

Source: ACTA MATERIALIA. 60(20):7169-7182

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The influence of rolling temperature on texture evolution and variant selection during @a->@b->@a phase transformation in Ti-6Al-4V

Authors: Obasi, G. C., Birosca, S., Leo Prakash, D. G., Quinta da Fonseca, J., Preuss, M.

Source: ACTA MATERIALIA. 60(17):6013-6024

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Effect of @b grain growth on variant selection and texture memory effect during @a->@b->@a phase transformation in Ti-6 Al-4 V

Authors: Obasi, G. C., Birosca, S., Quinta da Fonseca, J., Preuss, M.

Source: ACTA MATERIALIA. 60(3):1048-1058

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Influence of processing parameters on mechanical properties of Ti-6Al-4V alloy fabricated by MIM

Authors: Obasi, G. C., Ferri, O. M., Ebel, T., Bormann, R.

Source: MATERIALS SCIENCE AND ENGINEERING A. 527(16-17):3929-3935

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Africa: understanding the drought.

Authors: Obasi, G. O. P.

Source: Bulletin of the Atomic Scientists; September 1985, Vol. 41, p43-45, 3p

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EMBRACING SUSTAINABILITY SCIENCE: THE CHALLENGES FOR AFRICA

Authors: Obasi, G. O. P.

Source: ENVIRONMENT -SAINT LOUIS THEN WASHINGTON-. 44(4):8-19

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Comment Weather, climate, and health

Authors: Obasi, G. O. P.

Source: INTERDISCIPLINARY SCIENCE REVIEWS. 24(1):14-17

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WMO's programme on tropical cyclone
Tropical Cyclones

Authors: Obasi, G. O. P.

Source: MAUSAM. 48(2):103-112

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WMO's role in the international decade for natural disaster reduction.

Authors: Obasi, G. O. P.

Source: Bulletin of the American Meteorological Society; September 1994, Vol. 75, p1655-1661, 7p

Millennium perspectives.

Authors: Fleagle, Robert G., Obasi, G. O. P.

Source: Bulletin of the American Meteorological Society; October 2000, Vol. 81 Issue 10, p2480-2481, 2p