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Principles of Rheological Measurement

Nature volume 158, page 614 (02 November 1946) | Download Citation



A CONFERENCE and exhibition of rheological research apparatus were arranged by the British Rheologists' Club during October 3–5 at Bedford College, Unb/ersity of London. Prof. E. N. da C. Andrade, iff a presidential address, gave a survey of modern tneory with special reference to metals and hard nefaterials in general. Three sessions were devoted to the principles of rheological measurement fo.) soft materials under conditions of large strain, (b) materials of intermediate consistency, such as doughs, pastes, rubber, etc., and (c) steel and hard materials. Dr. L. R. G. Treloar spoke on “Technical Terms and Definitions”. Mr. E. G. Ellis, chairman of the Grease Rheology Panel of the Institute of Petroleum, spoke on the measurement of the consistency of lubricating greases. Dr. K. Weissenberg with Mr. G. M. Freeman, of the British Cotton Industry Research Association, dealt with the geometry of rheological phenomena and demonstrated the practical application of the Weissenberg rheogoniometer. Dr. G. W. Scott Blair read a paper on the consistency of doughs and pastes, and Mr. J. M. Buist on the hardness testing of rubbers. In the session on hard materials, Dr. W. W. Barkas discussed the aniso-tropic elastic properties of wood, and Dr. E. Orowan dealt with steel and metals. The discussions were lively and well sustained: new views and an interchange of ideas were rendered possible by the presence of distinguished overseas rheologists.

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