Search

14 Feb 2020: Very Strong Low Temperature Bainite. F. G. Caballero, H. K. D. H. Bhadeshia, K. J. A. Mawella, D. G. Jones and P. Brown. Abstract. Bainite has been obtained by heat treatment at temperatures as low as 125. o. C in a high carbon, high silicon steel.

14 Feb 2020: Modelling simultaneous precipitation reactions in austenitic stainless steels. T. Sourmail and H.K.D.H. Bhadeshia. Abstract. A physical model has been developed for simultaneous precipitation reactions in austenitic stainless steels, taking into

14 Feb 2020: Properties of Fine-Grained Steels Generated by Displacive Transformation. H. K. D. H. Bhadeshia. Abstract. It has been possible in recent times to make large quantities of steels in which the controlling scale is 20 nm or less, i.e., comparable to

14 Feb 2020: Mechanical stabilisation of austenite. S. Chatterjee, H. S. Wang, J. R. Yang and H. K. D. H. Bhadeshia. Abstract. A theory has been developed for the mechanical stabilisation of plastically deformed austenite by balancing the force which drives the

14 Feb 2020: 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. Inert oxides can also be introduced to form a uniform

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

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: 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: Crystallographic Texture of Stress-Affected Bainite. S. Kundu, K. Hase and H. K. D. H. Bhadeshia. Abstract. A method is presented for calculating both the macroscopic strains and crystallographic bias which develop when a polycrystalline sample of

14 Feb 2020: Mechanical Properties of Low-Temperature Bainite. C. Garcia-Mateo, F. G. Caballero and H. K. D. H. Bhadeshia. Abstract. The mechanical properties of a bainitic microstructure with slender ferrite plates (20-65 nm in thickness) in a matrix of

14 Feb 2020: The OTIS KING Calculator. H. K. D. H. Bhadeshia. Before electronic calculators, slide rules were used to do quick estimates. The accuracy of a slide rule increases with its length. This is an ingenious slide rule, short in absolute length but very

14 Feb 2020: Crystal structure of lithium niobate. H. K. D. H. Bhadeshia. The crystal structure of lithium niobate, space group R3c and lattice parameters 0.5418 and 1.3863 nm (H. E. Megaw, Acta Cryst. A24 [1968] 583). The chemical formula is LiNbO.

14 Feb 2020: Influence of Silicon on Cementite Precipitation in Steels. E. Kozeschnik and H. K. D. H. Bhadeshia. Abstract. The mechanism by which relatively small concentrations of silicon influence the precipitation of cementite from carbon--supersaturated

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Low Temperature Bainite. C. Garcia-Mateo, F. G. Caballero and H. K. D. H. Bhadeshia. Abstract. It is demonstrated that bainite can be obtained by isothermal transformation at a temperature which is so low that the calculated diffusion distance of an

14 Feb 2020: Acceleration of Low-Temperature Bainite. C. Garcia Mateo, F. G. Caballero and H. K. D. H. Bhadeshia. Abstract. Recent work has shown that bainitic ferrite plates produced by transformation at low temperatures can be as thin as 20 nm with a hardness

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: Download PDF file of paper..

14 Feb 2020: High-Performance Bainitic Steels. H. K. D. H. Bhadeshia. Abstract. The choreography of atoms during the course of the bainite transformation has major consequences on the development of structure. In particular, the scale and extent of the structure

14 Feb 2020: Download PDF file of paper: ISIJ International,Vol. 39, 1999, 966-979.. ... Download PDF file of related paper: Statistical Analysis and Data Mining,Vol.

14 Feb 2020: Design of novel high-strength bainitic steels. Part I. F. G. Caballero, H. K. D. H. Bhadeshia,. K. J. A. Mawella, D. G. Jones and P. Brown. Abstract. Mixed microstructures consisting of fine plates of upper bainitic ferrite separated by thin films

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Designing low carbon, low temperature bainite. Hong-Seok Yang and H. K. D. H. Bhadeshia. Abstract. The possibility of producing bainite at low temperatures by suppressing transformation using substitutional solutes has been investigated, as an

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: Download PDF file of paper..

14 Feb 2020: Carbide-free Bainite: Compromise between Rate of Transformation and Properties. Sangeeta Khare, Kyooyoung Lee and H. K. D. H. Bhadeshia. Abstract. By identifying the relationship between the time required to obtain bainite and parameters such as the

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Synchrotron X-ray Studies of Austenite and Bainitic Ferrite. H. J. Stone, M. J. Peet, H. K. D. H. Bhadeshia, P. J. Withers, S. S. Babu, E. D. Specht. Abstract. High resolution synchrotron X--ray diffraction has been used to conduct in situ studies

14 Feb 2020: TRIP-assisted steels: cracking of high-carbon martensite. S. Chatterjee and H. K. D. H. Bhadeshia. Abstract. Modern TRIP assisted steels contain retained austenite with carbon concentrations in excess of 1 wt-%. Some of their mechanical properties,

14 Feb 2020: Download PDF file of paper.

14 Feb 2020: Book on bainite (electronic version available for free download). Movies about Martensite and Bainite.

14 Feb 2020: Welding Procedures and Type IV Phenomena. J. A. Francis, W. Mazur and H. K. D. H. Bhadeshia. Abstract. In this work, we attempt a quantitative estimation of the type IV rupture stress for welds in ferritic power plant steels containing 9 Ð 12 wt %

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: A Classical Thermodynamic approach to Void Nucleation in Irradiated Materials. R. Kemp, G. A. Cottrell and H. K. D. H. Bhadeshia. Abstract. One of the major problems in building a future fusion power station is the development of suitable structural

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Evolution of strength and coercivity during annealing of FeCo based alloys. Department of Materials Science and Metallurgy, University of Cambridge. Pembroke Street, Cambridge CB2 3QZ, U.K. Scripta Mater 2004:51, p589-591. Abstract. Iron-cobalt

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Mathematical Models in Materials Science. H. K. D. H. Bhadeshia. Abstract. Modelling has now become a routine part of materials science. It is appropriate therefore to assess some of the successes and failures of the method and to understand how and

14 Feb 2020: Modelling and characterisation of Mo. 2. C precipitation and cementite Dissolution during the tempering of Fe-C-Mo martensitic steel. S. Yamasaki and H.K.D.H. Bhadeshia. Abstract. The precipitation and Ostwald ripening behaviour of needle shaped Mo.

14 Feb 2020: Transformation Texture in Deformed Stainless Steel. Saurabh Kundu and H. K. D. H. Bhadeshia. Abstract. The development of transformation texture in a deformed austenitic stainless steel has been modelled using the crystallographic theory of

14 Feb 2020: 52nd Hatfield Memorial Lecture: Large Chunks of Very Strong Steel. H. K. D. H. Bhadeshia. Abstract. Most new materials are introduced by selectively comparing their properties against those of steels. Steels set this standard because iron and its

14 Feb 2020: Download Paper 1 (PDF file). ... Download Paper 2 (PDF file).

14 Feb 2020: Design of novel high-strength bainitic steels. Part II. F. G. Caballero, H. K. D. H. Bhadeshia,. K. J. A. Mawella, D. G. Jones and P. Brown. Abstract. A combination of thermodynamic, kinetic and mechanical property models and physical metallurgy

14 Feb 2020: Annual Lecture, Royal Microscopical Society (2000): 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. Inert

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: M. 4. C. 3. Precipitation in Fe-C-Mo-V Steels and Relationship to Hydrogen Trapping. S. Yamasaki and H. K. D. H. Bhadeshia. Abstract. Strong steels suffer from embrittlement due to dissolved hydrogen, a phenomenon which can be mitigated by trapping

14 Feb 2020: A Thermodynamic Analysis of Isothermal Transformation Diagrams. H. K. D. H. Bhadeshia. Abstract. A thermodynamic model has been developed to allow the prediction of isothermal transformation diagrams for steels, based on their chemical composition.

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Residual Stress Part 1 - Measurement Techniques. P. J. Withers and H. K. D. H. Bhadeshia. Abstract. Residual stress is that which remains in a body which is stationary and at equilibrium with its surroundings. It can be very detrimental to the

14 Feb 2020: Plastic strain due to twinning in austenitic TWIP steels. B. Qin and H. K. D. H. Bhadeshia. Abstract. Twinning induced plasticity steels are austenitic alloys in which mechanical twinning is a prominent deformation mode, and which exhibit