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Bruce Bilby
Bruce Alexander Bilby FRS (3 September 1922 – 20 November 2013) was a British mechanical engineer, and an Emeritus Professor at the University of Sheffield. Life He was a graduate of Dover Grammar School for Boys. He once taught at University of Birmingham and was the Professor of the Theory of Materials at the University of Sheffield from 1966 to 1984. He was a colleague of Alan Cottrell. He died aged 91 on 20 November 2013. See also *Cottrell atmosphere *Flow plasticity theory Flow plasticity is a solid mechanics theory that is used to describe the plastic behavior of materials. Flow plasticity theories are characterized by the assumption that a flow rule exists that can be used to determine the amount of plastic defor ... References {{DEFAULTSORT:Bilby, Bruce People educated at Dover Grammar School for Boys Academics of the University of Birmingham Academics of the University of Sheffield British mechanical engineers Fellows of the Royal Society 1922 birth ...
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University Of Sheffield
The University of Sheffield (informally Sheffield University or TUOS) is a public university, public research university in Sheffield, South Yorkshire, England. Its history traces back to the foundation of Sheffield Medical School in 1828, Firth College in 1879 and Sheffield Technical School in 1884. University College of Sheffield was subsequently formed by the amalgamation of the three institutions in 1897 and was granted a royal charter as University of Sheffield in 1905 by King Edward VII. Sheffield is formed from 50 academic departments which are organised into five faculties and an international faculty. The annual income of the institution for 2020–21 was £741 million, of which £163 million was from research grants and contracts, with an expenditure of £708.6 million. Sheffield ranks among the top 10 of UK universities for research grant funding, and it has become number one in the UK for income and investment in engineering research according to new data published by t ...
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University Of Birmingham
The University of Birmingham (informally Birmingham University) is a Public university, public research university located in Edgbaston, Birmingham, United Kingdom. It received its royal charter in 1900 as a successor to Queen's College, Birmingham (founded in 1825 as the William Sands Cox, Birmingham School of Medicine and Surgery), and Mason Science College (established in 1875 by Sir Josiah Mason), making it the first English red brick university, civic or 'red brick' university to receive its own royal charter. The present iteration of the university was modeled after Cornell University. It is a founding member of both the Russell Group of British research universities and the international network of research universities, Universitas 21. The student population includes undergraduate and postgraduate students in 2019–20, which is the List of universities in the United Kingdom by enrollment, largest in the UK (out of ). The annual income of the university for 2020–21 wa ...
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Fellow Of The Royal Society
Fellowship of the Royal Society (FRS, ForMemRS and HonFRS) is an award granted by the judges of the Royal Society of London to individuals who have made a "substantial contribution to the improvement of natural knowledge, including mathematics, engineering science, and medical science". Fellowship of the Society, the oldest known scientific academy in continuous existence, is a significant honour. It has been awarded to many eminent scientists throughout history, including Isaac Newton (1672), Michael Faraday (1824), Charles Darwin (1839), Ernest Rutherford (1903), Srinivasa Ramanujan (1918), Albert Einstein (1921), Paul Dirac (1930), Winston Churchill (1941), Subrahmanyan Chandrasekhar (1944), Dorothy Hodgkin (1947), Alan Turing (1951), Lise Meitner (1955) and Francis Crick (1959). More recently, fellowship has been awarded to Stephen Hawking (1974), David Attenborough (1983), Tim Hunt (1991), Elizabeth Blackburn (1992), Tim Berners-Lee (2001), Venki Ramakrishnan ( ...
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Biographical Memoirs Of Fellows Of The Royal Society
The ''Biographical Memoirs of Fellows of the Royal Society'' is an academic journal on the history of science published annually by the Royal Society. It publishes obituaries of Fellows of the Royal Society. It was established in 1932 as ''Obituary Notices of Fellows of the Royal Society'' and obtained its current title in 1955, with volume numbering restarting at 1. Prior to 1932, obituaries were published in the '' Proceedings of the Royal Society''. The memoirs are a significant historical record and most include a full bibliography of works by the subjects. The memoirs are often written by a scientist of the next generation, often one of the subject's own former students, or a close colleague. In many cases the author is also a Fellow. Notable biographies published in this journal include Albert Einstein, Alan Turing, Bertrand Russell, Claude Shannon, Clement Attlee, Ernst Mayr, and Erwin Schrödinger. Each year around 40 to 50 memoirs of deceased Fellows of the Royal Soc ...
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Mechanical Engineer
Mechanical may refer to: Machine * Machine (mechanical), a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement * Mechanical calculator, a device used to perform the basic operations of arithmetic * Mechanical energy, the sum of potential energy and kinetic energy * Mechanical system, a system that manages the power of forces and movements to accomplish a task * Mechanism (engineering), a portion of a mechanical device Other * Mechanical (character), one of several characters in Shakespeare's ''A Midsummer Night's Dream'' * A kind of typeface in the VOX-ATypI classification See also * Machine, especially in opposition to an electronic item * '' Mechanical Animals'', the third full-length studio release by Marilyn Manson * Manufactured or artificial, especially in opposition to a biological or natural component * Automation, using machine decisions and processing instead of human * Mechanization, using machine labo ...
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Dover Grammar School For Boys
Dover Grammar School for Boys (DGSB) is a selective secondary school located in Dover, United Kingdom, whose origins can be traced back to the Education Act (the 'Balfour Act') of 1902. Originally founded as the Dover County School for Boys and Girls with locations behind the Dover Town Hall and on Priory Hill, the co-educational arrangements were early on prohibited by the Kent Education Committee. Dover Grammar School for Boys now occupies a prominent position overlooking the town of Dover on Astor Avenue. Its sister school is located in Frith Road and known as the Dover Grammar School for Girls (DGSG). History The Dover County School for Boys (1905-1931) The Education Act (the Balfour Act) of 1902 laid the path to formal secondary education for 'able pupils' throughout the United Kingdom. In 1903 Frederick (Fred) Whitehouse M.A. (Oxon.) was appointed Dover's Director of Further Education and oversaw the transition of the local municipal school and School of Art into the ne ...
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Alan Cottrell
Sir Alan Howard Cottrell, FRS (17 July 1919 – 15 February 2012) was an English metallurgist and physicist. He was also former Chief Scientific Advisor to the UK Government and vice-chancellor of Cambridge University 1977–1979. Early life Cottrell was educated at Moseley Grammar School and the University of Birmingham, where he gained a Bachelor of Science degree in 1939 and a PhD for research on welding in 1942. Career Cottrell joined the staff as a lecturer at Birmingham, being made professor in 1949, and transforming the teaching of the department by emphasising modern concepts of solid state physics.History of Metallurgy at Birmingham
Engineering at Birmingham University
In 1955 he moved to
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Cottrell Atmosphere
In materials science, the concept of the Cottrell atmosphere was introduced by A. H. Cottrell and B. A. Bilby in 1949 to explain how dislocations are pinned in some metals by boron, carbon, or nitrogen interstitials. Cottrell atmospheres occur in body-centered cubic (BCC) and face-centered cubic (FCC) materials, such as iron or nickel, with small impurity atoms, such as boron, carbon, or nitrogen. As these interstitial atoms distort the lattice slightly, there will be an associated residual stress field surrounding the interstitial. This stress field can be relaxed by the interstitial atom diffusing towards a dislocation, which contains a small gap at its core (as it is a more open structure), see Figure 1. Once the atom has diffused into the dislocation core the atom will stay. Typically only one interstitial atom is required per lattice plane of the dislocation. The collection of solute atoms around the dislocation core due to this process is the Cottrell atmosphere. In ...
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Flow Plasticity Theory
Flow plasticity is a solid mechanics theory that is used to describe the plastic behavior of materials. Flow plasticity theories are characterized by the assumption that a flow rule exists that can be used to determine the amount of plastic deformation in the material. In flow plasticity theories it is assumed that the total strain in a body can be decomposed additively (or multiplicatively) into an elastic part and a plastic part. The elastic part of the strain can be computed from a linear elastic or hyperelastic constitutive model. However, determination of the plastic part of the strain requires a flow rule and a hardening model. Small deformation theory Typical flow plasticity theories for unidirectional loading (for small deformation perfect plasticity or hardening plasticity) are developed on the basis of the following requirements: # The material has a linear elastic range. # The material has an elastic limit defined as the stress at which plastic deformation fir ...
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People Educated At Dover Grammar School For Boys
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of p ...
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Academics Of The University Of Birmingham
An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of secondary or tertiary higher learning (and generally also research or honorary membership). The name traces back to Plato's school of philosophy, founded approximately 385 BC at Akademia, a sanctuary of Athena, the goddess of wisdom and skill, north of Athens, Greece. Etymology The word comes from the ''Academy'' in ancient Greece, which derives from the Athenian hero, ''Akademos''. Outside the city walls of Athens, the gymnasium was made famous by Plato as a center of learning. The sacred space, dedicated to the goddess of wisdom, Athena, had formerly been an olive grove, hence the expression "the groves of Academe". In these gardens, the philosopher Plato conversed with followers. Plato developed his sessions into a method of teaching philosophy and in 387 BC, established what is known today as the Old Academy. By extension, ''academia'' has come to mean the ...
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Academics Of The University Of Sheffield
An academy ( Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of secondary or tertiary higher learning (and generally also research or honorary membership). The name traces back to Plato's school of philosophy, founded approximately 385 BC at Akademia, a sanctuary of Athena, the goddess of wisdom and skill, north of Athens, Greece. Etymology The word comes from the ''Academy'' in ancient Greece, which derives from the Athenian hero, ''Akademos''. Outside the city walls of Athens, the gymnasium was made famous by Plato as a center of learning. The sacred space, dedicated to the goddess of wisdom, Athena, had formerly been an olive grove, hence the expression "the groves of Academe". In these gardens, the philosopher Plato conversed with followers. Plato developed his sessions into a method of teaching philosophy and in 387 BC, established what is known today as the Old Academy. By extension, ''academia'' has come to mean the accumulation, ...
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