A fiber titanium composite has been developed and its potential application as a method of skeletal fixation for internal prosthetic devices has been studied.Titanium fibers, 0.19 millimeter in diameter, were cut in short lengths, compressed in dies to predetermined densities, and sintered under vac

Sintered Fiber Metal Composites as a Basis for Attachment of Implants to Bone

/pdf/solid-freeform-fabrication-a-new-direction-in-manufacturing-4qiy9g5p1f.pdf

Solid Freeform Fabrication: A New Direction in Manufacturing

https://www.cder.dz/wih2/communication/c11.pdf

Optimization of porous current collectors for PEM water electrolysers

In spite of the widespread use of tablets, the theoretical understanding of the tableting process has been limited. During the last decades considerable research has been done in the field of powder technology and compaction. A survey of the literature and compression equations reveals many studies on the characterization of powder properties, most of which relate to volume reduction under pressure, i.e., to the compressibility of the powder bed. For practical purposes, however, it is also important to know the compactibility of a powder bed, i.e., the ability of a powdered material to be compressed into a compact of specified strength. This strength has to be defined, e.g., as radial tensile strength or deformation hardness. Thus the first part of this review comprises the theory of powder compression of individual substances, compression parameters, compression equations, and mechanical properties of compacts, including compact strength tests and compact hardness tests.

Fundamentals of Powder Compression. I. The Compactibility and Compressibility of Pharmaceutical Powders

A NASA/ASEE Summer Study conducted at the University of Santa Clara in 1980 examined the feasibility of using advanced artificial intelligence and automation technologies in future NASA space missions. Four candidate applications missions were considered. (1) An intelligent Earth-sensing information system, (2) an autonomous space exploration system, (3) an automated space manufacturing facility, and (4) a self-replicating, growing lunar factory. The study assessed the various AI and machine technologies which must be developed if such sophisticated missions are to become feasible by century's end.

W. D. Jones

Papers

Fundamental principles of powder metallurgy