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14 Feb 2020: Comments on 'Bainite formation kinetics in high carbon alloyed steel'. H. K. D. H. Bhadeshia. Abstract. We examine here the physical aspects and input parameters of a recently published model on the overall transformation kinetics of the bainite

14 Feb 2020: Directional Recrystallisation and its Exploitation in Mechanically Alloyed Metals. H. K. D. H. Bhadeshia. Abstract. Mechanical alloying involves the severe deformation of mixtures of powders until they form the most intimate of atomic solutions.

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14 Feb 2020: Download PDF file of paper. ... This file is reprinted from Materials Science and Engineering with permission from Elsevier Science.

14 Feb 2020: Performance of neural networks in materials science. H. K. D. H. Bhadeshia, R. C. Dimitriu, S. Forsik, J. H. Pak and J. H. Ryu. Abstract. Neural networks are now a prominent feature of materials science with rapid progress in all sectors of the

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Austenite Grain Size and the Martensite-Start Temperature. Hong-Seok Yang and H. K. D. H. Bhadeshia. Abstract. New experimental evidence is obtained to confirm the dependence of the martensite-start temperature on the austenite grain size. The

14 Feb 2020: Download PDF file of paper (25 Mb).

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Mechanical Properties of Martensite in Heat-Resistant Steels. H. K. D. H. Bhadeshia. Abstract. It is interesting that martensite is the key microstructure in the most modern of creep resistant steels. This may be an accidental consequence of alloy

14 Feb 2020: Effect of 30 Tesla Magnetic Field on Transformations in a Novel Bainitic Steel. R. A. Jaramillo, S. S. Babu, G. M. Ludtka, R. A. Kisner, J. B. Wilgen, G. Mackiewicz-Ludtka, D. M. Nicholson, S. M. Kelly, M. Murugananth and H. K. D. H. Bhadeshia.

14 Feb 2020: Problems in the calculation of transformation texture in steels. H. K. D. H. Bhadeshia. Abstract. The solid-state decomposition of austenite can lead to a non-random distribution of product crystals. Methods of the quantitative characterisation of

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14 Feb 2020: Bainite Orientation in Plastically Deformed Austenite. A. A. Shirzadi, H. Abreu, L. Pocock, D. Klobčar, P. J. Withers and H. K. D. H. Bhadeshia. Abstract. Experiments have been conducted to see whether specific crystallographic variants of bainite

14 Feb 2020: If you have compiled the Unix/Linux version or are using the Windows/DOS program, the only file which you should be concerned with is 'test.dat', which you should edit ... The maximum and minimum values for each variable are given in the file MINMAX.

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Coalesced bainite by isothermal transformation of reheated weld metal. J. H. Pak, H. K. D. H. Bhadeshia, L. Karlsson and E. Keehan. Abstract. The martensite start and bainite start temperatures have been determined in reheated, high strength weld

14 Feb 2020: Prediction of the Vickers Hardness in Austempered Ductile Irons using Neural Networks. M. A. Yescas. Abstract. To the design engineer, hardness often means an easily measured quantity which indicates something about the strength and heat treatment

14 Feb 2020: High resolution observations of displacements caused by bainitic transformation. E. Swallow and H. K. D. H. Bhadeshia, University of Cambridge. Abstract. High resolution measurements of the displacements caused by the formation of bainite in a steel

14 Feb 2020: ε-carbide in Alloy Steels: First-principles Assessment. J. H. Jang, I. G. Kim and H. K. D. H. Bhadeshia. Abstract. There is now a large volume of sophisticated steels which rely on silicon as an alloying addition with the purpose of avoiding the

14 Feb 2020: Formation of Nanostructured Steels by Phase Transformation. T. Yokota, C. Garcia-Mateo and H. K. D. H. Bhadeshia. Abstract. A thermodynamic criterion is developed to define the finest grain size that can be achieved during phase transformation, as a

14 Feb 2020: Joining Ceramics to Metals using Metallic Foam. A. A. Shirzadi, Y. Zhu and H. K. D. H. Bhadeshia. Abstract. A general method for brazing ceramics to metals using a compliant metallic foam as a buffer layer has been developed. Using stainless steel

14 Feb 2020: Bessemer Memorial Lecture: The Dimensions of Steel. H. K. D. H. Bhadeshia. Abstract. There are some important aspects of steel which are hidden from ordinary view and largely from the users of steels. They nevertheless determine the macroscopic

14 Feb 2020: Comments on “The mechanisms of the fcc-bcc martensitic transformation revealed by pole figures”. H. K. D. H. Bhadeshia. Abstract. It has been suggested in recent work that the observed spread in crystallographic orientations of martensite can be

14 Feb 2020: Strong ferritic-steel welds. H. K. D. H. Bhadeshia. Abstract. There are many steels which are stronger than 2000 MPa, with toughness values exceeding 100 MPa m. 1/2. and which have been in commercial service for many decades. Examples include the

14 Feb 2020: Neural Networks in Materials Science: The Importance of Uncertainty. H. K. D. H. Bhadeshia. Abstract. It is immensely satisfying to be able to discover fundamental relationships and structure within vast arrays of ill--understood data. The neural

14 Feb 2020: Deformation and Recrystallisation of a Yttria Dispersion-Strengthened, Mechanically Alloyed Iron (MA957). C. Capdevila and H. K. D. H. Bhadeshia. Abstract. Mechanically alloyed and compacted dispersion-strengthened iron base materials show a strange

14 Feb 2020: First-principles investigation on magnetism and electronic structures of substitutional impurities in bcc Fe (I): the 3d transition-metal impurities. G. Rahman, I. G. Kim, H. K. D. H. Bhadeshia and A. J. Freeman. The magnetic and electronic

14 Feb 2020: Interaction of aluminium with hydrogen in twinning-induced plasticity steel. Eun Ju Song, H. K. D. H. Bhadeshia and Dong-Woo Suh. Abstract. Alloying with aluminium can mitigate the hydrogen embrittlement of twinning-induced plasticity steels.

8 Jan 2020: This little piece, Fugue on a Telephone Number' (MP3 file for download, 2.5 Mbyte, duration 5'), is partly in memory of my father and is also for two dear friends, ... A higher-quality MP3 file of the same recording is here (3.1 Mbyte).

14 Feb 2020: Understanding the complexities of bake hardening. S. Das, S. B. Singh, O. N. Mohanty and H. K. D. H. Bhadeshia. Abstract. The basic science behind bake hardening steels is well understood in terms of the interactions between interstitial solutes and

14 Feb 2020: Neural network model of creep strength of austenitic stainless steels. T. Sourmail, H. K. D. H. Bhadeshia and D. J. C. MacKay. Abstract. The creep rupture life and rupture strength of austenitic stainless steels have been expressed as functions of

14 Feb 2020: Temperature Cycling and the Rate of the Bainite Transformation. H. S. Hasan, M. Peet, H. K. D. H. Bhadeshia, S. Wood and E. Watson. Abstract. The possibility that the thermal cycling of supercooled austenite, within the bainite transformation range,

14 Feb 2020: HYPERBOLIC TANGENTS AND ALLOYS OF IRON. H. K. D. H. Bhadeshia. First published in Materials World, November 1996, 643-645.

14 Feb 2020: Three-dimensional analysis of coalesced bainite using focused ion beam tomography. E. Keehan, L. Karlsson, H. K. D. H. Bhadeshia and M. Thuvander. Abstract. The relationship between solute content, microstructure and properties has been clarified

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14 Feb 2020: Developments in Martensitic and Bainitic Steels: Role of The Shape Deformation. H. K. D. H. Bhadeshia. Abstract. Steels can be designed to exploit the coordinated motion of atoms during the bainite and martensite reactions. In this way it has been

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14 Feb 2020: Effect of nickel aluminide on the bainite transformation in a Fe- 0.45C–13Ni–3Al–4Co steel, and associated properties. G. M. A. M. El Fallah and S. W. Ooi and H. K. D. H. Bhadeshia. Abstract. It is known that precipitates that are present in

14 Feb 2020: Download PDF file of paper, with permission from TMS International.

14 Feb 2020: Directional Recrystallisation in a Nickel Base ODS Superalloy. M. Baloch and H. K. D. H. Bhadeshia. Abstract. The directional recrystallisation process which leads to the growth of highly anisotropic 'new' grains in an oxide dispersion strengthened

14 Feb 2020: Modelling anisothermal recrystallisation in austenitic stainless steels. G. J. Hopkin and H. K. D. H. Bhadeshia. Abstract. The kinetics of recrystallisation have in the past been represented using the classical Avrami theory. Some authors have used

14 Feb 2020: Transformation texture of allotriomorphic ferrite in steel. D. W. Kim, R. S. Qin and H. K. D. H. Bhadeshia. Abstract. Many aspects of the crystallographic texture which develops when austenite transforms into martensite or bainite are well

14 Feb 2020: Phase Transformations Contributing to the Properties of Modern Steels. H. K. D. H. Bhadeshia. The role of phase transformation theory in contributing to the development of innovative steels is assessed, focusing on examples where the relationship is

14 Feb 2020: Tempered martensite embrittlement: Role of retained austenite and cementite. H. K. D. H. Bhadeshia and D. V. Edmonds. Abstract. The microstructural and property changes accompanying the tempering of quenched low-alloy steels ahve been examined and

14 Feb 2020: Materials Science and Engineering A, Vol. A245, 1998, pp. 72-79. This file is reprinted from Materials Science and Engineering with permission from Elsevier Science.

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Download PDF file of paper..