Densification Behavior of PIMed TiAl Parts.

Behavior of Beech Sawdust during Densification into a Solid Biofuel

In solid biofuel manufacture technological and material variables influence the densification process and thus also the final briquette quality. The impact of these technological variables, especially compression pressure and compression temperature, and also of the material parameters (particle size and moisture content) can generally be observed during biomass densification in the quality ind...

The Effect of Impact Damage on the Room-Temperature Fatigue Behavior of Î3-TiAl

The relationship between impact damage and the fatigue behavior of � -TiAl has been examined. Axial fatigue specimens fabricated from cast Ti-47.9Al-2.0Cr-1.9Nb (to be referred to as 48-2-2) and Ti-47.3Al-2.2Nb-0.5Mn-0.4W-0.4Mo-0.23Si (to be referred to as WMS) alloys were damaged by impact under controlled conditions with a 60 deg wedge-shaped indenter to simulate assembly-related damage in lo...

PERGAMON BEHAVIOR OF GAMMA TiAl SUBJECTED TO IMPACT DAMAGE AND ELEVATED TEMPERATURE FATIGUE

Gamma titanium aluminide has received significant attention in recent years as a candidate material for use in aerospace and industrial gas turbine engine applications. In particular, these materials offer significant weight reductions (densities are less than half that of nickel-based superalloys), high specific strength retention at elevated temperature and high specific stiffness which is pa...

Simulating the Influence of Social Contacts Spa- tial Distribution on Travel Behavior

Evaluation of Heterogeneous Densification, Anisotropic Shrinkage and Rheological Behavior of Ceramic Materials during Liquid Phase Sintering by Numerical-Experimental Procedure

The effective shear and bulk viscosity, as well as dynamic viscosity, describe the rheological properties of the ceramic body during the liquid phase sintering process. The rheological parameters depend on the physical and thermo-mechanical characteristics of the material such as relative density, temperature, grain size, diffusion coefficient, and activation energy. Thermal behavior of the cer...