Conferences

Porous Materials from Titanium Powders: Past, Present, and Future

V.V.Savich
 

Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2013, #11/12
http://www.materials.kiev.ua/article/955

Abstract

Based on the analysis of the literature of their own research results, the basic promising areas of research in the field of porous powder materials (PPM) of titanium powders. Among them, — to search for possible ways to further reduce the cost of PPM, including use as a feedstock is not only sponge titanium powder, a sponge titanium, but titanium hydride powder, and in long term — enriched rutile concentrate. Large resource saving potential is the development of new methods for improving the mechanical strength of PPM — microalloying, using Bidisperse initial charge, etc. Development of promising new technologies shaping and consolidation of titanium powders, including: forming a gradient pore structure by electric impulse sintering, an electric-discharge sintering, selective laser sintering, micro-injecting molding, microwave sintering; modification of physico-chemical and biochemical properties of the pore surface PPM in order to change their functional characteristics, the creation of composite PPM containing isotropically distributed target components — activators, sorbents, reinforcements, etc. It is relevant to the creation of PPM with the anisotropy of the structural properties of the thickness and (or) cell area — filtering, aerating, distributing the flow of gas or liquid.


ANISOTROPY OF POROUS STRUCTURE, CONSOLIDATION, POROUS POWDER-LIKE MATERIAL, POWDER OF TITAN, SHAPING