A potential way of improving the material efficiency and cost effectiveness of the Direct Metal Laser Deposition (DMLD) process is to take powder that is not utilised in each deposition attempt and re-use it in subsequent attempts (powder recycling). Currently, this is not widely implemented for fear of a detrimental effect on part quality. This study examines how powder recycling, using simple...

Two types of ceramic-polymer composite thick films were deposited on Cu substrates by an aerosol deposition process, and their properties were investigated to fabricate optimized ceramic-based polymer composite thick films for application onto integrated substrates with the advantage of plasticity. When polymers with different mechanical properties, such as polyimide (PI) and poly(methyl methac...

The formation, isolation, and characterizat,ion of two isomeric, inactive derivatives of ribonuclease, l-carboxymethylhistidinc119and 3-carboxymethylhistidine-12-ribonuclease,1 were dcscribed in the preceding paper (2). Studies on the course of the alkylation reaction and on some of the properties of the two alkylated derivatives are the subject of the present communication. It has been found t...

A drug product combines pharmacologic activity with pharmaceutical properties. Desirable performance characteristics are physical and chemical stability, ease of processing, accurate and reproducible delivery to the target organ, and availability at the site of action. For the dry powder inhaler (DPI), these goals can be met with a suitable powder formulation, an efficient metering system, and ...

Abstra ct. Th e quantitat ive characterizat ion of complexity for several dynami c processes is approached by a mathematical scheme based on th e met ric and combinatori al prop ert ies of the space Z of finite measur able par titions . Precisely, Z is embed ded in a larger spa ce R of new objects, "rational part it ions," describin g the anti similarity between two prob abilistic experiments ....

of the origin in C ' , and vice versa. But clearly, not every convex compact neighbourhood of the origin in C ~' belongs to a lub norm. The principal problem to be considered here is the geometric characterizat ion of those convex bodies in C ~' which are associated with lub norms. The question arises because of the fact tha t m a n y of the properties of vector norms fall quite easily and natu...

An Euler-type gas/particle two-phase flow numerical model is presented for simulating the deposition of particles of tens of microns. At this size range of particles, the dominant effect considered for deposition on the bottom surface is gravitational settling. The mass conservation equation for the particulate phase is developed and simulated to include convection, diffusion, and gravitational...