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14 Feb 2020: Some Phase Transformations in Steels. H. K. D. H. Bhadeshia. Abstract. Many essential properties of iron alloys depend on the atomic mechanism of phase change. Following a description of the mechanisms established for solid state phase

14 Feb 2020: Modelling of kinetics and dilatometric behaviour of non-isothermal pearlite-to-austenite transformation in an eutectoid steel. C. G. deAndres, C. Capdevila, F. G. Caballero and H. K. D. H. Bhadeshia. Abstract. The formation of austenite during the

14 Feb 2020: Bayesian Neural Network Model for Austenite Formation in Steels. L. Gavard, H. K. D. H. Bhadeshia, D. J. C. MacKay and S. Suzuki. Abstract. The formation of austenite during the continuous heating of steels has been investigated using neural network

14 Feb 2020: Topology of Grain Deformation. S. B. Singh and H. K. D. H. Bhadeshia. Abstract. The deformation of a polycrystalline material leads to changes in the amount of grain surface and grain edge per unit volume. These parameters are of importance in

14 Feb 2020: Bainite Transformation Kinetics, Part II, Non-uniform distribution of carbon. G. I. Rees and H. K. D. H. Bhadeshia. Abstract. The carbon concentration trapped in films of austenite between parallel platelets of bainite is often found to be much

14 Feb 2020: Effect of Strain Heterogeneity on Recrystallisation of PM2000. C. Capdevila, Y. L. Chen, A. R. Jones and H. K. D. H. Bhadeshia. Abstract. The recrystallisation behaviour of PM2000 oxide dispersion strengthened ferritic alloy has been investigated

14 Feb 2020: Refinement and characterisation of a thermodynamically stable metal-metal composite. J. D. Robson and H. K. D. H. Bhadeshia. Abstract. The intermetallic compounds which are under consideration for use in aerospace applications often suffer from

14 Feb 2020: Estimation of the Mechanical Properties of Ferritic Steel Welds,. Part I: Yield and Tensile Strength. S. H. Lalam, H. K. D. H. Bhadeshia and D. J. C. MacKay. Abstract. The yield strength and ultimate tensile strength of ferritic steel weld metal

14 Feb 2020: Estimation of the Mechanical Properties of Ferritic Steel Welds,. Part II: Elongation and Charpy Toughness. S. H. Lalam, H. K. D. H. Bhadeshia and D. J. C. MacKay. Abstract. In previous work we presented models which can be used to estimate the

14 Feb 2020: Reliability of Weld Microstructure and Property Calculations. H. K. D. H. Bhadeshia. Abstract. We depend in our everyday life on the performance of vast quantities of steel, which we use without giving it a second thought. This is possible because

14 Feb 2020: Microstructural change in high-temperature heat-affected zone of low-carbon weldable 13% Cr martensitic stainless steels. D. Carrouge, P. Woollin and H.K.D.H. Bhadeshia. Abstract. The microstructures that develop in the high temperature

14 Feb 2020: Impact toughness of C-Mn steel arc welds - Bayesian neural network analysis. H. K. D. H. Bhadeshia, D. J. C. MacKay and L.-E. Svensson. Abstract. Charpy impact toughness data for manual metal arc and submerged arc weld metal samples have been

14 Feb 2020: Calculation of Crystallographic Texture due to Displacive Transformations. H. K. D. H. Bhadeshia, H. Abreu and S. Kundu. Abstract. Displacive transformations involve the disciplined motion of atoms. As a result, there are clearly defined

14 Feb 2020: Modelling Creep Rupture Strength of Ferritic Steel Welds. D. Cole, C. Martin-Moran, A.G. Sheard, H. K. D. H. Bhadeshia and D. J. C. MacKay. Abstract. Recent changes in the design of steam turbine power plant have necessitated the replacement of

14 Feb 2020: Alternatives to the Ferrite-Pearlite Microstructures. H. K. D. H. Bhadeshia. Abstract. Structural steels based on a mixed microstructure of allotriomorphic ferrite and pearlite have a well-established history of cost-effectiveness and reliability.

14 Feb 2020: Mechanical Stabilisation of Bainite. S. B. Singh and H. K. D. H. Bhadeshia. IIT Kharagpur (India) and Cambridge University (U.K.). Abstract. Bainite, like martensite, forms by a displacive mechanism of transformation. Based on microstructural

14 Feb 2020: Characteristics of High-Power Diode-Laser Welds for Industrial Assembly. C.A. Walsh, H.K.D.H. Bhadeshia, A. Lau, B. Matthias, R. Oesterlein, and J. Drechsel. Abstract. Recent progress in available beam power and beam quality has meant that high

14 Feb 2020: Part IB Metals and Alloys. Course A: Worked Examples (20-22). H. K. D. H. Bhadeshia. Question 20. Describe an experiment which can prove that diffusion occurs by a vacancy mechanism rather than a mechanism in which adjacent atoms simply swap

14 Feb 2020: Hard Bainite. C. Garcia Mateo, F. G. Caballero and H. K. D. H. Bhadeshia. Abstract. It is demonstrated that in a high-carbon steel where carbide precipitation is suppressed, bainite can be obtained by isothermal transformation at temperatures as low

14 Feb 2020: Optimisation of a Multiphase Intermetallic Metal-Metal Composite Material. J. D. Robson, N. Duvauchelle, A. Lugan, J. Street and H. K. D. H. Bhadeshia. Abstract. Metal-Metal composites (MeMeC's) manufactured by coextruding beta Ni(Al,Ti), beta' Ni.