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25 Jul 2024: Phase Transformations & Complex. Properties Research Group. Queen Mary University of London. Emeritus Tata Steel Professor of Metallurgy. University of Cambridge. Ph.D. student. Rajdeep Mondal. rajdeep.mondal@qmul.ac.uk. Honorary Associates. The

25 Jul 2024: Phase Transformations & Complex. Properties Research Group. Queen Mary University of London. Emeritus Tata Steel Professor of Metallurgy. University of Cambridge. Ph.D. student. Rajdeep Mondal. rajdeep.mondal@qmul.ac.uk. Honorary Associates. The

25 Jul 2024: Wear. Role of fracture toughness in impact-abrasion wear. A. R. Chintha, K. Valtonen, V.-T. Kuokkala, S. Kundu, M.J. Peet, H.K.D.H. Bhadeshia. Abstract. Two new low alloyed steels have been developed with different fracture toughness values but at

20 Jul 2024: Mitigating high-temperature, high-pressure hydrogen attack. Ph.D. thesis, by Mohammed Abdulrahman Alshahrani, University of Cambridge, 2021. Role of toughness in abrasion and impact-abrasion wear. Ph.D. thesis, by Appa Rao Chintha, University of

12 Jul 2024: "Rail Live" 2024. Pictures courtesy of Wilberth Solano who took them while at the Rail Live exhibition. Setting up for the demonstration of aluminothermit welding of rails. The yellow "Pandrol" is a preheater powered by propane. This avoids the need

14 Jul 2024: Sheffield Metallurgical and Engineering Association. The Sheffield Society of Engineers and Metallurgists was founded in 1894, later named the "Sheffield Metallurgical and Engineering Association (SMEA)", a lively community of those involved with

28 Jun 2024: Steels for rails. W. Solano-Alvarez and H. K. D. H. Bhadeshia. Abstract. Transport by rail is an efficient way of moving goods and people while managing problems such as congestion and the consequences on the environment. The relatively low energy

16 Jun 2024: CML Reunion, South Korea. Many long-standing and recent members of the Computational Metallurgy Laboratory at GIFT, POSTECH in South Korea got together for a reunion in Pohang. The event also marked the celebration of Professor Dong Woo Suh's

16 Jun 2024: Harry at the BBC. Harry was at the BBC to record the Life Scientific podcast. Heading towards the famous studios in London's Broadcasting House. The newsroom from the top. The Tardis. Published, 2023. October 8th, 2024.

24 Jun 2024: Continuously cooled hypoeutectoid steel. H. K. D. H. Bhadeshia. The vast majority of the 1.3 billion tonnes of steel proudced annually have a microstructure which is a mixture of allotriomorphic ferrite and pearlite. The pearlite is the last phase

3 Jun 2024: The Norwich 60 bicycle ride, 2nd June 2024. Training before the Norwich ride. Training consisted of two separate 40 mile sessions. In the beautiful Cambridgeshire countryside. Each 40.57 mile trip began in Comberton, to St Ives, and back. In St Ives,

14 Apr 2024: A collection of 280 years. Ravindra, Mukesh, Batuk and Harry (Harshad) were all at the Highway Secondary School in Nairobi, back in 1968. We all now live in the U.K. and had our first ever reunion, after some 45 years, in London. Ravindra organised

14 Apr 2024: Adventures of PT Group Members (and others). An elephant made from graphite. An asymmetrical "I-beam". Trading post in New Mexico (not the Dominican Republic), picture courtesy of Noelle Hommedieu. Pieces of steel that Faraday himself conducted

20 Jun 2024: Dr Sangeeta Khare visits Cambridge. Dr Sangeeta Khare is an academic at the Indian Institute of Technology, Delhi. She is also a PT Group member, having worked with Harry for many years, both at POSTECH in South Korea and in Cambridge. Here, we are

4 May 2024: Paul Shelley visits from Molycop, May 2024 2024. Molycop is an international industry supplying mining consumables. It has laboratories in Australia, Chile and Peru. Dr Paul Shelley sponsors research on steel at Queen Mary University of London, and

16 Jul 2024: One. Two. Published, 2023. October 8th, 2024.

4 Jul 2024: Martensite and Martensitic Phase Transformations. H. K. D. H. Bhadeshia. Evolution of martensite. A movie of martensitic transformation in Fe-0.18C-0.2Si-0.9Mn-2.9Ni-1.5Cr-0.4Mo wt% steel, using confocal laser microscopy. The time and temperature

16 Jul 2024: Selected topics on non-ferrous materials. Graphene. Published, 2023. October 8th, 2024.

7 Jul 2024: 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 have been examined 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,

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

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: 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,

4 Jul 2024: 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

1 Feb 2024: steel, bainite, kinetics. Download.

31 Jan 2024: H. Bhadeshia, 2024, the relevant page of which is included in the download files. ... steel, pearlite, austenite, austenite growth, kinetics. Download.

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.

8 Jun 2024: Phase Transformations & Complex. Properties Research Group. Queen Mary University of London. Emeritus Tata Steel Professor of Metallurgy. University of Cambridge. Ph.D. student. Rajdeep Mondal. rajdeep.mondal@qmul.ac.uk. Honorary Associates. The

3 Jun 2024: Rajdeep Mondal does experiments, May 2024. Rajdeep Mondal is conducting research leading to a Ph.D. qualification from Queen Mary University of London. Here, Dr Steve Ooi is helping to use the machine, very generously, over two whole days. The

14 Apr 2024: Professor Haibin Zuo visits from USTB. Professor ZUO Haibin, Associate Director of the State Key Laboratory of Advanced Metallurgy, at the University of Science and Technology Beijing, visited us (Haixue Yan and Harry) at Queen Mary University of

3 Jun 2024: Saurabh Kundu from Tata Steel, visits Japan, May 2024. Saurabh Kundu attended the 56th TECO meeting of the World Steel Association, at Tokyo, Japan. There he had the opportunity to connect once again with colleagues who were all in the Phase

14 Apr 2024: Trinity College, Cambridge, Science Society 2024. The Trinity College Science Society is run by undergraduate students, who invited Harry to give an evening lecture before dinner. The lectures are open to the public. Pictures courtesy of Deepak

11 Feb 2024: Harry at KTH, Stockholm, Sweden, February 2024. Harry was at KTH Royal Institute of Technology as the "opponent" to Tania Loiza Uribe's well-defended Ph.D. thesis. Pictures courtesy of Steve Ooi. It snowed with temperatures close to -5 centigrade.

23 Jan 2024: Steels, the 5th edition, published 2024. Alloys of iron. Alloys of iron. Alloys of iron. Alloys of iron. Alloys of iron. Corten steel used by Anthony Gormley, an artist, to create a monument honouring Alan Turing, at King's College Cambridge.

15 Jul 2024: Deltoidal icositetrahedron faceting on α-Fe crystals found on the surface of the Moon. K. M. Knowles and H. K. D. H. Bhadeshia. Abstract. Crystallographic analysis of scanning electron microscopy images of small μm-sized single crystals of b.c.c.

23 Feb 2024: Harry, Steve and Bill at Udine University, Italy, February 2024. Harry Bhadeshia, Steve Ooi and Bill Clyne were at the Università degli Studi di Udine, Italy, at the kind invitation of Professor Fabio Miani. We arrived late, about 2200 h. Heading

16 Jul 2024: Selected topics on alloys of iron. Alloys. Phases. Reconstructive and Displacive Transformations: parts 1-6. Published, 2023. October 8th, 2024.

10 Jul 2024: Slide presentations. Automotive Steels. Bainite. POSCO Lectures on Bainite. Bainitic pipe. Cologne 2014. Percolation of phases, MST 2015. Buildings. Cast Iron. Austempered ductile cast iron. Carbides. Creep. Crystallography. Diffusion. Dispersion

14 Jun 2024: Books. Available for Free Download. The following reproduced with the permission of Dr Alan Armour, Climax Molybdenum. ... Restricted Download. Published, 2023. October 8th, 2024.

6 Jul 2024: Pure, amorphous iron. H. K. D. H. Bhadeshia. Abstract. The review covers the difficulty in obtaining amorphous iron, the clever experiments that have produced small particles or thin films of glassy iron, together with models that estimate the

24 Jun 2024: You can freely download the complete book Theory of Transformations in Steels.

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

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.

4 Jul 2024: Teaching Materials. H. K. D. H. Bhadeshia.. Crystallography. Examination questions. Slides and Videos. Animations. Scaleable vector graphics. Metals & Alloys (year 2). Phase transformations (year 2, Queen Mary University of London). Phase

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: 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

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,

27 Jun 2024: Tiling and crystallography. The image below is of tiling done by Stoyan Smoukov (who kindly provided the image) at a sink in his house. The tiles have a clever shape so that they can tesselate to fill completely, a two-dimensional surface. Each tile

17 Jun 2024: Pictures of steel. These photographs courtesy of Jasmine Tong of the Hunan Great Steel Pipe Company Limited, who sent them in an unsolicited email. Steel. More steel. Even more steel. Published, 2023. October 8th, 2024.

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