effects of boron and silicon on microstructural evolution

Effect of SrGrain RefiningSi Interactions on the

Aug 24, 2017 · S. Nafisi, Effects of grain refining and modification on the microstructural evolution of semi-solid 356 Alloy, Ph.D. Thesis, Université du Québec à Chicoutimi, Chicoutimi, 2006, p. Effect of interfacial area on densification and Sep 15, 2015 · Further, the amount of SiC/B 4 C interfacial area has a significant effect on the microstructural evolution, changing the grain size and type within the SiC matrix. Experimental procedure All samples were prepared with an -SiC starting powder, (SIKA Sintex 15 C) with d 50 measured as 0.8 m on a Malvern Mastersizer 3000, surface area 15 ± 1 m 2 g 1 and 0.83 wt% total O.

Effect of phosphorous and boron addition on

Therefore, the purpose of this study is to investigate the influence of boron and boron plus niobium on the bainite transformation kinetics, microstructural evolution and mechanical properties in Microstructural evolution and mechanical properties of h Oct 29, 2019 · Abstract. Hexagonal boron nitride (h-BN) composite ceramics were prepared by hot pressing with the addition of Y 2 O 3 and AlN. The effects of different Y 2 O 3 AlN contents on microstructural evolution, mechanical properties and thermal diffusion coefficients of h-BN composite ceramics were investigated. The results indicate that Y 2 O 3 AlN forms a liquid phase during the The Effects of Carbon, Boron and Vanadium on the The Effects of Carbon, Boron and Vanadium on the Microstructural Evolution and Hardness of Steel-based Hardfacing Alloys Kyle Rafa California Polytechnic State University Materials Engineering Senior Project Advisor:Dr. Blair London Corporate Sponsor:Scoperta Inc. June 4, 2010

The effect of aluminum on the microstructure and phase

Dec 15, 2009 · It also leads during cooling to the formation of some SiAl solid solution particles. The effect of Al on the microstructural evolution is well accounted for by the calculated isothermal section of the quaternary AlBCSi phase diagram, according to which the solubility of boron in liquid silicon increases with increasing aluminum content.(PDF) Effects of boron and silicon on microstructure and To study the effects of melting point depressants (MPD), i.e., boron and silicon, on the microstructural evolution of the joints, transient liquid phase (TLP) bonding of GH3039 and IC10 single