Lead-free soldering for electronic industry is a segment of global trend toward lead-free environment. Although initiated in U.S. in early 1990’s, it advanced much more rapidly in Japan and Europe. This differentiation in Pb-free progress triggered great concerns of users of Pb-containing solders about maintaining business opportunity, therefore further expedites the advancement of Pb-free sold...

an artificial neural network (ann) model is developed for the analysis, simulation, and prediction of the austenite reversion in the thermo-mechanical treatment of 304l austenitic stainless steel. the results of the ann model are in good agreement with the experimental data. the model is used to predict an appropriate annealing condition for austenite reversion through the martensite to austeni...

Ni–Mn–In magnetic shape memory alloys, which can be stimulated by an external field, exhibit a fast response and have aroused wide attention in the field of electro-mechanical actuators. However, low working temperature inherent brittleness severely limit their application scenarios. Here, effective strategy is proposed to improve magnetic-field-induced mechanical properties alloys. We predict ...

the binding energy and thermodynamic parameters of cis- platinum di ammino chlorine (cis-[pt(nh3)2cl]+) and trans- platinum di ammino chlorine (trans- [pt(nh3)2cl]+) complexes withguanine has been studied by density functional theory (dft) calculations in water. the bindingenergies (ebin) of cis- and trans-[pt(nh3)2clg]+ are calculated to be 79.38 kcal/mol and 74.98kcal/mol, respectively. the b...

available online at http://meteoritics.org 1287 © Meteoritical Society, 2004. Printed in USA. The activity of chromite in multicomponent spinels: Implications for T-fO2 conditions of equilibrated H chondrites Ronit KESSEL,1* John R. BECKETT,1 Gary R. HUSS,2 and Edward M. STOLPER1 1Institute of Earth Sciences, The Hebrew University, Givat-Ra, Jerusalem, 91904, Israel 2Department of Geological Sc...

Nanoparticles of alloys represent a very interesting subject for fundamental research and, at the same time, lot useful applications in industrial catalysis, microelectronics, sensors and medicine. Their properties depend on atomic chemical structure which has been intensive researches. This paper presents some trends theoretical predictions ordering surface segregation Pt-based nanosized syste...