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THE address at the opening of the Sixth Engineering Materials and Design International Exhibition and Conference, held at Olympia at the beginning of December, was given by Sir Barnes Wallis, C.B.E., F.R.S., Chief of the Aeronautical Research and Development Dept., British Aircraft Corporation...
The high voltage, low pressure glow discharge is an efficient source of high energy electrons. Recent advances in the subject indicate the great scope it offers as a flexible means for delivering heat to a workpiece in a controlled manner. A wide range of beam shapes can be designed and electron...
THE possibility of explosive cladding was first recognised in 1957, when it was noted in explosive forming that if a metal die was employed and an excessive charge was used then the metal sheet which was being formed became welded to the die. Since that time numerous papers have been published,...
SINCE the introduction of plasma are welding, in its simplest form, the process and technology has made extremely rapid strides. It is the object of this paper to explain, in simple terms, the various types of plasma systems, equipments and applications for which they can be used.
IT is generally agreed there would be a significant saving in weight and consequent improvement in efficiency, if aircraft could be assembled by welding, instead of by the use of mechanical fasteners. The size of the savings is indicated and the reasons for the currently limited use of welded...
THE conversion of the kinetic energy of a beam of electrons into heat on striking a metal workpiece has been known for a very long time, a patent was in fact taken out for an electron beam melting device by Pirani in 1905. It was not, however, until the late 1950s that serious attempts were made...
THE effective use of new materials and new manufacturing techniques has always played a key role in the design philosophies of the aerospace industry. Expensive though this is, it is part of the price which must be paid if we are to maintain our place in the forefront of technological...
THE major problem in the planning of a country's future defence requirements is always the prediction of the exact nature of the next conflict and the range of performance of the military equipment required to deal with it. Such predictions can only be based on the experience of the last...
A description of an experimental investigation of a round air jet projected parallel to a wall and the resulting velocity profiles, maximum velocity decay and the rate of jet growth. This paper concerns an experimental investigation of a round air jet projected parallel to a wall. Experiments...
One again Jane's is bigger than ever before, with more words and more new illustrations than any of its predecessors, and a larger number of three column illustrations than in recent editions. There are 683 editorial pages exclusive of the foreword and the index compared with 613 last year.
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