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Fundamentals of metal cutting and machine tools
B o o k s & Publications incorporating new methods and materials. The most important of these are reflected by several papers in the proceedings. Conventional powder metallurgy methods are being closely scmtinis~ by eyes which recognise increasing needs for improved performance and reliability as well as increased productivity. Each element in the process, Powder manufacture, compacting, sintering and heat-treatment is being reassessed in a desire for quality control and assessment. The advent of automatic control and the use of robotics is clearly recognised along with the manpower implications of such developments. Hew processes which claimed more than passing mention include those for achieving full density products and the use of injection moulding. It is clear that many parts of complex geomet~ can now be made commercially by injection moulding - in USA that is! Rapidly soldified powders continue to claim a major place in the list of new materials. The impression left by the contributions is that the problems incurred in processing these Powders are still profound. The future for these materials is still unclear - perhaps other ways of achieving the same ends will emerge and bypass the powder processing mute. Intermetallic compounds, aluminides in particular, are exciting interest because of their combination of attractive high ternperature properties and low densities. These are processed by extrusion, vacuum hot pressing or hot isostatic pressing. The volume is assembled from camera ready copy and shows considerable variations in style and presentation from paper to paper. This is acceptable, since all are easy to read, but not all the authors are equally conscientious editors. All in all, the volume is pretty much as expected; a mixture of pot-boilers and real advances. Powder metallurgists will need no urging to buy it.
is now dominated by multilayer coated inserts; the chapter on surface roughness and integrity considers no measures of surface morphology other than centre line average; and that on cutting fluids makes no mention of the trend towards the use of inorganics in response to enD r J RMoon University of Nottingham. vironmental as much as technical pressures. The chapter on the mechanics of the cutting process could have been written a quarter of a century ago and although having a bibliography of some sixty items only FUNDAMENTALS OF METAL one is from the last decade and nearly CUTTING AND MACHINE half date from before 1960. TOOLS As anything other than possible background reading this book can B L JuneJa and G S Sekhon not~ unfortunately, be recommended John Wiley & Sons Limited with any great enthusiasm to students India 1 9 8 7 of mechanical or manufacturing 4 6 2 pp £ 2 7 . 5 0 engineering. The quality of the printing ISBN: 0 4 7 0 2 0 8 6 0 0 and paper has an air of austerity about it in contrast with the increasthis book the authors have attempted ingly polished presentation of most to present both descriptive material international text books. Though the on the main classes of metal cutting aims of the text are laudable, the machine tools and the science and reviewer wishes he could be more technology underlying their operation. supportive about the execution. About half its content is concerned with the technology of single point Dr J A Williams turning with separate chapters covering such topics as the mechanics of machining, thermal aspects, tool life and wear, resultant surface finish, cutting economics etc. All this is FRACTURE MECHANICS familiar ground and is adequately OF WELDS enough presented although no new J G Biauel & K-H Sdmalbe insights or perspectives are offered. Mechanical Engineering Each chapter is followed by a list of Publications Umited references but the purpose of these is not clear - many are of purely UK 1987 historical interest and there are ~ ' ) ~ p £28.00 UK £.35.00 Overseas distressingly few to recent published ISBN: 9 85298 EA.~ 0 material. Indeed thewholepreserfca6on has the feel of the nineteen fifties The present volume consists of some about it, rather than the nineteen ten papers which were presented at a eighties, from the illustrations of Conference organised by the Elasticmachine tool categories in the early Plastic Fracture Mechanics section of chapters to the technical discussions the European Fracture Group. The in those later. Conference was held at the Central To take a few examples: the reader Electricity Research Laboratories in of the chapter on cut~g tool materials Leatherhead in September 1985. would be quite unaware that this field The general title of the Conference
Those for whom powder metallurgy is a peripheral interest will probably prefer to borrow it from the library. As a signpost on the path of development it is a useful document and worth its cost.
MATERIALS & DESIGN Vol. 9 No. 5 SEPTEMBER/OCTOBER 1988
303
is now dominated by multilayer coated inserts; the chapter on surface roughness and integrity considers no measures of surface morphology other than centre line average; and that on cutting fluids makes no mention of the trend towards the use of inorganics in response to enD r J RMoon University of Nottingham. vironmental as much as technical pressures. The chapter on the mechanics of the cutting process could have been written a quarter of a century ago and although having a bibliography of some sixty items only FUNDAMENTALS OF METAL one is from the last decade and nearly CUTTING AND MACHINE half date from before 1960. TOOLS As anything other than possible background reading this book can B L JuneJa and G S Sekhon not~ unfortunately, be recommended John Wiley & Sons Limited with any great enthusiasm to students India 1 9 8 7 of mechanical or manufacturing 4 6 2 pp £ 2 7 . 5 0 engineering. The quality of the printing ISBN: 0 4 7 0 2 0 8 6 0 0 and paper has an air of austerity about it in contrast with the increasthis book the authors have attempted ingly polished presentation of most to present both descriptive material international text books. Though the on the main classes of metal cutting aims of the text are laudable, the machine tools and the science and reviewer wishes he could be more technology underlying their operation. supportive about the execution. About half its content is concerned with the technology of single point Dr J A Williams turning with separate chapters covering such topics as the mechanics of machining, thermal aspects, tool life and wear, resultant surface finish, cutting economics etc. All this is FRACTURE MECHANICS familiar ground and is adequately OF WELDS enough presented although no new J G Biauel & K-H Sdmalbe insights or perspectives are offered. Mechanical Engineering Each chapter is followed by a list of Publications Umited references but the purpose of these is not clear - many are of purely UK 1987 historical interest and there are ~ ' ) ~ p £28.00 UK £.35.00 Overseas distressingly few to recent published ISBN: 9 85298 EA.~ 0 material. Indeed thewholepreserfca6on has the feel of the nineteen fifties The present volume consists of some about it, rather than the nineteen ten papers which were presented at a eighties, from the illustrations of Conference organised by the Elasticmachine tool categories in the early Plastic Fracture Mechanics section of chapters to the technical discussions the European Fracture Group. The in those later. Conference was held at the Central To take a few examples: the reader Electricity Research Laboratories in of the chapter on cut~g tool materials Leatherhead in September 1985. would be quite unaware that this field The general title of the Conference
Those for whom powder metallurgy is a peripheral interest will probably prefer to borrow it from the library. As a signpost on the path of development it is a useful document and worth its cost.
MATERIALS & DESIGN Vol. 9 No. 5 SEPTEMBER/OCTOBER 1988
303