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Principles of Powder Mechanics
Rook Reviews
Ph>zics of Adhesion. Edited by R. Polke and P. Hahn, published by Institut fur Mechanische Verfahrenstechnik, P-0. Box 6350, D-75 Karlsruhe, Germany. 1970; 157 pp_ ; 39 figs ; 8 tables ; 136 refs. Price: DM 20. The proceedings of the conference on the physics of adhesion held at Karlsruhe, Germany, in July 1969, are now available from the above mentioned Institute. The conference dealt with the following topics: theory of molecular interactions, van der Waals-forces, electrostatic forces, interfacial thermo-
Principles of Powder _&kc+nk, by R. L. Bra? and J. C. Richards, International Series of Mono-graphs in Chemical Engineering, Vol. 10, Pergamon Press, Oxford. 1970; 223 pages; price: 60s. Brown and Richards wrote a timely account of the present state of the art of powder mechanics. As they stated in the introduction, their aim has been “to give an account of those experimental data that are sufficiently extensive to enable different aspects of powder properties and behaviour to be compared and thus provide a basis for future develonments. ii;z treatment is restricted to those situations where
dynamics, adhesion between metals, adhesion in powders and solutions, adhesion of polymers The volume also contains the abbreviated papers of the Russian scientists who cancelled their participation in the conference at short notice In order to be able to publish the proceedings as soon as possible after the conference the manuscripts are presented by photo-printing in the form issued by the authors The language used is English with one exception. W. Alex
the fluid phase plays no part”_ The subjects of measurement of strength properties of powders and of kinematics of flow, including flow patterns as well as now rates, are dealt with at some length_ Since the discussion of flow rates does not include the effect ofthe fluid phase, itsapplication is limited to sufliciently coarse materials and does not really apply to powders. The student will find the treatise of interest in planning future investigations in powder mechanics. The engineer will find it of use as an introduction to powder mechanics. Andrew W. Jenike
Pow&r
Technol, 4 (1970/T)
114
Ph>zics of Adhesion. Edited by R. Polke and P. Hahn, published by Institut fur Mechanische Verfahrenstechnik, P-0. Box 6350, D-75 Karlsruhe, Germany. 1970; 157 pp_ ; 39 figs ; 8 tables ; 136 refs. Price: DM 20. The proceedings of the conference on the physics of adhesion held at Karlsruhe, Germany, in July 1969, are now available from the above mentioned Institute. The conference dealt with the following topics: theory of molecular interactions, van der Waals-forces, electrostatic forces, interfacial thermo-
Principles of Powder _&kc+nk, by R. L. Bra? and J. C. Richards, International Series of Mono-graphs in Chemical Engineering, Vol. 10, Pergamon Press, Oxford. 1970; 223 pages; price: 60s. Brown and Richards wrote a timely account of the present state of the art of powder mechanics. As they stated in the introduction, their aim has been “to give an account of those experimental data that are sufficiently extensive to enable different aspects of powder properties and behaviour to be compared and thus provide a basis for future develonments. ii;z treatment is restricted to those situations where
dynamics, adhesion between metals, adhesion in powders and solutions, adhesion of polymers The volume also contains the abbreviated papers of the Russian scientists who cancelled their participation in the conference at short notice In order to be able to publish the proceedings as soon as possible after the conference the manuscripts are presented by photo-printing in the form issued by the authors The language used is English with one exception. W. Alex
the fluid phase plays no part”_ The subjects of measurement of strength properties of powders and of kinematics of flow, including flow patterns as well as now rates, are dealt with at some length_ Since the discussion of flow rates does not include the effect ofthe fluid phase, itsapplication is limited to sufliciently coarse materials and does not really apply to powders. The student will find the treatise of interest in planning future investigations in powder mechanics. The engineer will find it of use as an introduction to powder mechanics. Andrew W. Jenike
Pow&r
Technol, 4 (1970/T)
114