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14 Feb 2020: hydrogen thermal desorption, trapping, ferrite. Download.

14 Feb 2020: Critical Assessment: Martensite-Start Temperature for the γ to ε Transformation. H.-S. Yang, J. H. Jang, H. K. D. H. Bhadeshia and D. W. Suh. Abstract. It is increasingly important in the context of high-manganese steels of the kind that lead to

14 Feb 2020: Bob Waugh's laboratory books. The books, which represent Bob's records while he was at the University of Cambridge, have kindly been provided by Dr Sally Waugh. Bob worked extensively on the field ion microscope, the time-of-flight spectrometer,

14 Feb 2020: Creep-Resistant Alloys. Ferritic Steels. "The Microstructure as a Time-Temperature Recorder: Remaining Life Prediction". Heat and Surface '92,. ed. I. Tamura,. Japan Technical Information Service, Tokyo, 1992, pp. 19-24. H. K. D. H. Bhadeshia.

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: 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: Design of New Creep-Resistant Nickel-Base Superalloys for Power Plant Applications. F. Tancret, H. K. D. H. Bhadeshia and D. J. C. MacKay. Abstract. A Gaussian processes computer program has been used to model the mechanical properties of

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)

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

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: Cast Irons. Miguel Angel Yescas-Gonzalez and H. K. D. H. Bhadeshia. Cast irons typically contain 2-4 wt% of carbon with a high silicon concentrations and a greater concentration of impurities than steels. The carbon equivalent (CE) of a cast iron

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

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

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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: neural network, steel, weld metal, Charpy, toughness. Download.

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

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: 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

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: 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,

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14 Feb 2020: Oxidation of Silicon-containing Steel. E. J. Song, D. W. Suh and H. K. D. H. Bhadeshia. Abstract. Steels containing sufficient concentrations of silicon tend to form a low melting-temperature oxide called fayalite, which then penetrates both 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

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: Mechanism and kinetics of solid-state transformation in high-temperature processed linepipe steel. P. Yan and H.K.D.H. Bhadeshia. Abstract. A relatively new class of linepipe steels with yield strength above 500 MPa created for thermomechanical

14 Feb 2020: On three-dimensional misorientation spaces. R. Krakow, R. J. Bennett, D. N. Johnstone, Z. Vukmanovic, W. Solano-Alvarez, S. J. Laine, J. F. Einsle, P. A. Midgley, C. M. F. Rae and R. Hielscher. Abstract. Determining the local orientation of crystals

14 Feb 2020: Size distribution of oxides and toughness of steel weld metals. Shinichi Terashima and H. K. D. H. Bhadeshia. Abstract. Experiments have been conducted to modify the size distribution of oxide particles in steel weld metals which have predominantly

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: Effect of retained austenite and high temperature Laves phase on the work hardening of an experimental maraging steel. S. W. Ooi, P. Hill, M. Rawson and H. K. D. H. Bhadeshia. Abstract. Maraging steels including the experimental alloy studied here

14 Feb 2020: Creep-resistant aeroengine shaft steels: precipitates and consequences. Zixin Huang. Abstract. Creep resistant steels must be stable over long periods of time under severe operating condi- tions. This paper reviews precipitation in Cr–Mo steels

14 Feb 2020: Effect of vanadium alloying on the wear resistance of pearlitic rails. W. Solano-Alvarez, L. Fernandez Gonzalez and H. K. D. H. Bhadeshia. Abstract. Due to the increasing demand on pearlitic rails to support heavier loads and higher speeds, grooved

14 Feb 2020: Spheroidisation of hypereutectoid state of nanostructured bainitic steel. D. Luo, M. Peet, S. Ooi, P. Yan, Z. Yin and H. K. D. H. Bhadeshia. Abstract. Nanostructured bainite is extremely resistant to severe tempering making it difficult to reduce

14 Feb 2020: White-etching matter in bearing steel. Part 1: Controlled-cracking of bearing steel. W. Solano-Alvarez and H. K. D. H. Bhadeshia. Abstract. Although most of the research performed in steel metallurgy aims to prevent crack nucleation and propagation,

14 Feb 2020: In situ synchrotron X-ray study of bainite transformation kinetics in a low-carbon Si-containing steel. L. Guo, H. K. D. H. Bhadeshia, H. Roelofs and M. I. Lembke. Abstract. The bainite transformation in a low-carbon Si-containing steel has been

14 Feb 2020: Phase-field study of the effect of interface anisotropy on morphological evolution in cubic metals. R. S. Qin and H. K. D. H. Bhadeshia. Abstract. An expression is proposed for the anisotropy of interfacial energy of cubic metals, based on the

14 Feb 2020: Effect of manganese sulphide particle shape on the pinning of grain boundary. L. Guo, H. Roelofs, M. I. Lembke and H. K. D. H. Bhadeshia. Abstract. The pinning of austenite grain boundaries by manganese sulphide particles is examined experimentally

14 Feb 2020: Download paper, Materials Science and Technology, 28A (1997) 631-639. ... Download paper, Materials Science and Technology, 28A (1997) 640-644.

14 Feb 2020: Changes in Toughness at Low Oxygen Concentrations in Steel Weld Metals. Shinichi Terashima and H. K. D. H. Bhadeshia. Abstract. Oxides in steel weld metals can initiate fracture or can improve toughness by influencing the development of beneficial

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: White-etching matter in bearing steel: Part II: distinguishing cause and effect in bearing steel failure. W. Solano-Alvarez and H. K. D. H. Bhadeshia. Abstract. The premature failure of large bearings of the type used in wind turbines, possibly

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