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4 Jul 2024: Dendritic Solidification. H. K. D. H. Bhadeshia. Solidification. A liquid when cooled solidifies. Alternatively, it may solidify when the pressure is decreased or increased, depending on the sign of the density change. Once nucleation has occurred,

14 Feb 2020: A Methodology for the Prediction of Time-Temperature-Transformatios Diagrams. J. L. Lee and H. K. D. H. Bhadeshia. Abstract. A method based on nucleation theory but using fitted constants was used to model the time-temperature-transformation (TTT)

16 Jul 2024: The Heat Treatment of Steels. R. Manna. The following teaching materials are provided by Professor R. Manna of the Banaras Hindu University, India. PDF files. Slide Presentations. Acknowledgements. I am grateful to TATA Steel, India and T. R.

14 Feb 2020: Quantitative modelling tools for the design of Ni-base superalloys. F. Tancret. Abstract. The Department of materials Science and Metallurgy of the University of Cambridge, UK, makes a wide use of modern modelling techniques as tools for the design

14 Feb 2020: Molybdenum Carbide in Tempered Martensite. S. Yamasaki and H.K.D.H. Bhadeshia. Crystal Structure of Mo. 2. C. Molybdenum carbide (Mo. 2. C) can occur in many crystalline forms, but that which precipitates in steels has a close-packed hexagonal

14 Feb 2020: mechanical twinning, twinning induced plasticity, crystallographic texture,TWIP. Download.

14 Feb 2020: It can be downloaded freely in PDF format. Downloads. Contents. Some fundamentals of crystallography.

4 Jul 2024: Computer Modelling of the Yield Strength of Mixed Microstructures of Bainite and Martensite. C. H. Young and H. K. D. H. Bhadeshia. Abstract. The strength of mixed microstructures of bainite and martensite can peak at an intermediate volume fraction

4 Jul 2024: Retained Austenite. Crystallography of Austenite. Theory and Significance of Retained Austenite in Steels. Ph.D. thesis, by Harry Bhadeshia, University of Cambridge, 1979. Reaustenitisation of some Alloy Steels. Ph.D. thesis, by Ursula Ruth Lenel,

7 Jul 2024: Current Opinion in Solid State and Materials Science, Special Issue on Bainite, Volume 8, 2004. Bainite Transformations (Preface). Pages 211 to 211. Bhadeshia, Harry. Recent progress: kinetics of the bainite transformation in steels. Pages 213 to

14 Feb 2020: Download PDF file of paper..

7 Jul 2024: Book on bainite (electronic version available for free download). Movies about Martensite and Bainite.

19 Aug 2023: Broken tensile-test samples. Flat tensile test samples from a steel for composition Fe-0.07C-0.025Nb-0.025Ti wt%, rolled and coiled at 629. o. C. Images courtesy of Apparao Chinta. Geometry before deformation. The samples are 7 mm thick.

4 Jul 2024: Aluminium-Silicon Casting Alloys. R. Cornell and H. K. D. H. Bhadeshia. A discussion of solidification and its effects can be found in a set of lectures available online. Information on the friction stir welding of these alloys is also available.

4 Jul 2024: Stainless Steels. T. Sourmail and H. K. D. H. Bhadeshia. Introduction. Steels are said to be stainless when they resist corrosion; the is achieved by dissolving sufficient chromium in the iron to produce a coherent, adherent, insulating and

14 Feb 2020: Iridium. Iridium has a face-centred cubic crystal structure. It has a density of 22560 kg m. -3. , that is second only to osmium, and melts at 2446C. According to Pugh, materials with a large ratio of the shear modulus to bulk modulus will tend to

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: 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

4 Jul 2024: Download PDF file of paper from HAL open access.

14 Feb 2020: neural network, steel, weld metal, Charpy, toughness. Download.

4 Jul 2024: The Incomplete Bainite Reaction: Possible Reasons for Apparent Differences in TEM and Atom-Probe Determination of Austenite Carbon Content. D. Hall, H. K. D. H. Bhadeshia and W. Stobbs. Abstract. Carbon segregation following the transformation of

7 Jun 2010: Mechanical Stabilisation of Bainite. Table of Contents. Author: Shiv Brat Singh. Other References. Quantitative Evidence for the Mechanical Stabilisation of Bainite, Materials Science and Technology, Vol. 12, 1996, pp. 610-612. Estimation of Bainite

18 Apr 2017: Finite Element Calculation of Thermal Field During Spot-Welding of Coated Steel. Table of Contents. Author: Professor Amitava De. Email:.

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.

7 Jun 2010: Complex Weldment Properties: Trends in Predictive Power. Table of Contents. Email: hkdb@cus.cam.ac.uk.

18 Apr 2017: Download presentation source (Staroffice or Powerpoint).

18 Apr 2017: Outline of Komatsu. 18/12/01. Table of Contents. Author: Chikaro Nakao. Email:Other information:. Reproduced with the permission of Chikaro Nakao of Komatsu. This is a part of a presentation he made at the University of Cambridge.

4 Jul 2024: Bainite: Overall Transformation Kinetics. H. K. D. H. Bhadeshia. Abstract. New experimental results on the overall transformation kinetics of the bainite reaction (in three different steels) are interpreted in terms of recent work on the mechanism

18 Apr 2017: Download presentation source (Powerpoint or StarOffice).

4 Jul 2024: Download PDF file of paper from HAL open access.

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

4 Jul 2024: Editing your. bashrc file. Go to your home space 'root directory' (type cd). Use your favorite text editor (e.g. type xemacs. bashrc). There should be a line looking like: PATH=$PATH:blabla:. If there is not, just add one. In the case of staroffice,

18 Apr 2017: Download presentation source.

7 Jun 2010: Phase Diagram Calculations using MTDATA. 3/11/2002. Table of Contents. Author: Hugh Davies. Email: rhd@newton.npl.co.uk. Other information:. This presentation is reproduced with the permission of Hugh Davies of the National Physical Laboratory,

14 Feb 2020: Welding Metallurgy. Reliability of calcuations:Unsolved problems in weldings. Design of welding alloys. Unsolved problems in welding. Neural networks. Research Papers. "The Growth Rate of Allotriomorphic Ferrite in Low-Alloy Steel Weld Deposits".

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

7 Jun 2010: Data used in Phase Diagram Calculations. 3/11/2002. Table of Contents. Author: John Gisby, Hugh Davies. Email: john.gisby@npl.co.uk. Other information:. This presentation is reproduced with the permission of John Gisby of the National Physical

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

18 Apr 2017: Download presentation source.

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 Paper 1 (PDF file). ... Download Paper 2 (PDF file).

14 Feb 2020: TRIP-Assisted Steels? H.K.D.H. Bhadeshia. Abstract. The role of transformation--induced plasticity in Fe-Mn-Si-C steels intended for automobiles is investigated. The high uniform ductility associated with these alloys is often attributed to the

14 Feb 2020: Elucidating white-etching matter through high- strain rate tensile testing. W. Solano-Alvarez, J. Duff, M. C. Smith and H. K. D. H. Bhadeshia. Abstract. A form of damage in bearing steels subjected to rolling contact fatigue is the formation of

4 Jul 2024: Nickel Based Superalloys. H. K. D. H. Bhadeshia. A superalloy is a metallic alloy which can be used at high temperatures, often in excess of 0.7 of the absolute melting temperature. Creep and oxidation resistance are the prime design criteria.

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,

31 Mar 2022: Bainite in Steels. Free books available for download. Zhinan Yang, Fucheng Zhang.

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

7 Jun 2010: Journey to the Centre of the Earth. Table of Contents. Author: Dr Lidunka Vocaldo, l.vocadlo@ucl.ac.uk. Other information:. This presentation is reproduced with the permission of Lidunka Vocaldo, University College London.

14 Feb 2020: Download PDF file of paper..

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