Search

23 Feb 2020: Steve Ooi visits Japan, February 2020. People waiting to cross the street at the right signal. Night. Tokyo Skytree, the tallest structure in Japan, made from steel and some steel-reinforced concrete. View of Tokyo from the top of the Skytree. View

14 Feb 2020: Harry at Tata Steel, Jamshedpur, September 2017. # Harry spent a couple of weeks at the Tata Steel Research Laboratory in Jamshedpur, India. Some photographs courtesy of Saurabh Kundu and Sandip Ghosh Chowdhary. Saturday meal at the Kundu residence,

14 Feb 2020: Harry at the Tata Steel Laboratories in Jamshedpur, India, June 2019. The main research and development laboratories of Tata Steel in India are located in Jamshedpur, the origin of the mass production of steel in Asia. Taking advantage of the

14 Feb 2020: Helena and Gebril get married. The ceremony was held at the new Cambridge Central Mosque, with its elegant and spacious wooden architectural "trees". These trees are entirely wooded and form a canopy with considerable curvature. Steve Ooi and family

14 Feb 2020: Physical Metallurgy Conference in Poland. The Physical Metallurgy and Materials Science Conference is held in Poland every three years, on behalf of the Polish Academy of Sciences. The Conference was Chaired by Professor Boguslaw Major. Physical

14 Feb 2020: Asia Steel 2018 and Tata Steel, Jamshedpur, February 2018. Shaumik Lenka, Apparao Chintha, Steve Ooi and Harry Bhadeshia went to the Asia Steel Conference 2018, held in the beautiful city of Bubaneshwar in India. The conference lasted from the 6th

14 Feb 2020: Download Harry's paper on the atomic mechanism of the bainite transformation.

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

27 Mar 2020: At NUST MISIS, Moscow, September 2019. At the twelfth meeting of the International Scientific Advisory Council of the National University of Science and Technology (NUST MISIS) in Moscow, during September 2019. Russian State Library in Moscow. The

16 Feb 2020: Mathematical Crystallography. Worked examples in the Geometry of Crystals, the 2nd edition, published in 2001 (updated 2006), is now available for free download from this site. ... Reviewed in Acta Crystallographica A57 (2001) 478. You can download the

14 Feb 2020: Harry at Wuhan University of Science and Technology (WUST). #Click a picture to see a larger view. There was substantial rain on arriving in Wuhan on Saturday. This is at the Wugang Hotel. At Starbucks with Dong Bao Qi, who took Harry to Walmart in

14 Feb 2020: Surface relief due to bainite transformation at 473 K. M. Peet and H. K. D. H. Bhadeshia. Abstract. Extremely thin plates of bainitic ferrite can now routinely be induced in steels by heat–treatment at low homologous temperatures. Given the atomic

26 May 2020: Hard impingement: a cookie experiment to demonstrate morphological evolution. Mathew Peet and Harry Bhadeshia. When ferrite grains in iron nucleate at different locations and then grow unimpeded. However, they will eventually touch each other, a

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: Infusion of hydrogen into nanostructured bainitic steel. A. B. Cota, S. W. Ooi, W. Solano-Alvarez and H. K. D. H. Bhadeshia. Abstract. The trapping of hydrogen in nanostructured bainitic steel has been investigated using thermal desorption analysis,

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

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: Further evidence of tetragonality in bainitic ferrite. C. N. Hulme-Smith, M. J. Peet, I. Lonardelli, A. C. Dippel and H. K. D. H. Bhadeshia. Abstract. There is growing evidence that bainitic ferrite which retains a substantial amount of carbon in

14 Feb 2020: Effect of tempering upon the tensile properties of a nanostructured bainitic steel. Hala Salman Hasan, Mathew James Peet, Marie-Noëlle Avettand Fénoël, H. K. D. H. Bhadeshia. Abstract. The tensile properties of a nanostructured carbide-free

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: Open day, Laboratory of Molecular Biology, Cambridge. # The LMB will be opening its doors to all on Saturday 17 June. Mathew Peet was involved in the task of explaining scientific principles to children. César Milstein was a Fellow of Darwin

14 Feb 2020: Air-Cooled Bainitic Steels for Strong, Seamless Pipes Part 1: Alloy Design, Kinetics and Microstructure. G. Gomez, T. Pérez and H. K. D. H. Bhadeshia. Abstract. Seamless pipes are usually quenched and tempered after manufacture in order to obtain

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Estimation of the Fracture Toughness of Tempered Nanostructured Bainite. A. Al Hamdany, D. Al Fattal, T. A. Jabbar and H. K. D. H. Bhadeshia. Abstract. Fine structures consisting of a mixture of extremely thin bainite plates embedded in a matrix of

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: Fatigue of extremely fine bainite. M. J. Peet, P. Hill, M. Rawson, S. Wood and H. K. D. H. Bhadeshia. Abstract. There is a novel steel invented in which the structure consists of extremely fine platelets of bainitic ferrite dispersed in a matrix of

14 Feb 2020: Download PDF file of paper..

14 Feb 2020: Nanostructured bainitic steel obtained by powder metallurgy approach: structure, transformation kinetics and mechanical properties. I. Lonardelli and L. Girardini and L. Maines and C. Menapace and A. Molinari and H. K. D. H. Bhadeshia. Abstract. A

14 Feb 2020: Thermal stability of austenite retained in bainitic steels. A. Saha Podder and H. K. D. H. Bhadeshia. Abstract. Steels with a microstructure consisting of a mixture of bainitic ferrite and carbon-enriched retained austenite are of interest in a

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: 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: 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: 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: 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: Promoting the coalescence of bainite platelets. Junhak Pak, Dong Woo Suh and H. K. D. H. Bhadeshia. Abstract. An experiment is presented which succeeds for the first time in stimulating the formation of coarse plates of bainite by the coalescence of

14 Feb 2020: Dry rolling/sliding wear of nanostructured bainite. Subhankar Das Bakshi, A. Leiro, B. Prakash and H.K.D.H. Bhadeshia. Abstract. The abrasive wear of carbide-free bainitic steel under dry rolling/sliding conditions has been studied. It is

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: 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: Bainite: Fragmentation of Crystallographically Homogeneous Domains. Junhak Pak, Dong Woo Suh and H. K. D. H. Bhadeshia. Abstract. It becomes possible in appropriate circumstances for similarly oriented plates of bainite or martensite to merge and

14 Feb 2020: Solubility of carbon in tetragonal ferrite in equilibrium with austenite. J. H. Jang, H. K. D. H. Bhadeshia and D. W. Suh. Abstract. There are precise observations which indicate the reluctance of excess carbon within bainite or martensite to

14 Feb 2020: Hydrogen diffusion and the percolation of austenite in nanostructured bainitic steel. L. C. D. Fielding, E. J. Sung, D. K Han, H. K. D. H. Bhadeshia and D. W. Suh. Abstract. The diffusion of hydrogen in austenite is slower than in ferrite.

14 Feb 2020: Sites and Sounds. # A fairly random collection of images, including one from the 1993 Gordon Conference. Steel samples designed to study distortion during quenching. The set for "Matilda", a musical at the Cambridge Theatre in London. The set for

14 Feb 2020: View from the top of the Shard. #The Shard is a steel and glass building in London, with the appearance of broken glass with sharp edges. Photographs courtesy of Gebril El-Fallah.

14 Feb 2020: Cleaning the PT Group Laboratory. # Cleaning organised by Chris Hulme-Smith and Dominik Dziedzic. Shaumik Lenka. Shaumik Lenka. Chris Hulme-Smith. Dominik Dziedzic. Ailsa Kiely and Chris.

14 Feb 2020: Chris Hulme-Smith's leaving party. #Chris is leaving the University of Cambridge to join KTH Stockholm as Assistant Professor. This video was taken at the Saffron Restaurant in Cambridge, a leaving party. Photographs and video courtesy of Apparao

14 Feb 2020: Crystals, polycrystals and phase transformations. # Crystals represent order. ABCABSCABCABCABCABC., not. On Wendy and Dominik’s desks. Shaumik Lenka. Apparao Chintha and Shaumik Lenka. Di Wen’s desk. Professor Dong Woo Suh, POSTECH, South Korea.

14 Feb 2020: Venkatraman Ramakrishnan, Nobel Laureate, visits Spain. #Venkatraman Ramakrishnan, Nobel Laureate and President of the Royal Society, visits Santendar for a summer school on biology. He described the structure of ribosomes as revealed using electron

14 Feb 2020: Gebril El-Fallah and Mathew Peet. # Gebril returned from his trip to see his family in Libya, bearing gifts. Also, Mathew Peet in action at the Laboratory of Molecular Biology.