The solidification characteristics of near rapid and supercooling directional solidification [PDF]
In the comparison of the solidification characteristics of supercooling directional solidification (SDS) with constrained directional solidification (DS) and with the consideration of the inheritance of supercooled melt, the SDS technique established with the combination of melt supercooling and traditional DS was proposed.
Faqin Xie
exaly +2 more sources
Influence of gases on casting expansion processes during their hardening
It has been experimentally shown that directional solidification of water and bismuth in glass and quartz cylindrical forms does not result in expansion of the castings perpendicular to the solidification direction.
E. I. Marukovich +2 more
doaj +1 more source
The Effect of the Cooling Rate on the Microstructure and Microsegregation: An Experimental and Numerical Investigation of Solidification in Hypoperitectic Cu − 20 wt.% Sn Alloy [PDF]
Hypoperitectic Cu − 20 wt.% Sn alloy was solidified under different cooling rates and solidification growths using directional solidification system.
Késsia Gomes Paradela +5 more
doaj +1 more source
Global heat transfer model and dynamic ray tracing algorithm for complex multiple turbine blades of Ni-based superalloys in directional solidification process [PDF]
High-quality solidification microstructure during directional solidification relies on precise temperature gradient control, so accurate calculation of the temperature field is critical.
Wen Wang, Jian-xin Zhou, Zhao Guo
doaj +1 more source
The solutal convection is able to affect the dendrite growth and solute distribution during directional solidification. The solutal convection is raised by the solute difference-caused buoyancy.
Yongjia Zhang +5 more
doaj +1 more source
Transition to chaos in directional solidification [PDF]
Summary: Interface dynamics are analyzed theoretically in the quasilocal regime of directional growth explored by experiments on liquid crystals. We discover ``vacillating-breathing'' (VB) modes. Upon variation of the growth speed the interface motion enters a chaotic regime via a quasiperiodicity scenario.
Müller-Krumbhaar, H. +2 more
openaire +4 more sources
Research progress in freckles of single crystal superalloys
To meet the development needs of advanced aeroengines,the structure of aeroengine turbine blades is becoming increasingly complex, and the content of refractory elements is increasing in single crystal superalloys, which are the preferred materials for ...
WANG Zhi-cheng +7 more
doaj +1 more source
Research Progress on Numerical Simulation of Temperature Field during Directional Solidification of Nickel-based Single Crystal Turbine Blades [PDF]
As one of the indispensable core components of advanced aero-engine, nickel-based single crystal turbine blades (hereinafter referred to as single-crystal blades) have extremely demanding requirements in terms of dimensional accuracy of the hollow ...
Sun Jiayi +4 more
doaj +2 more sources
Aluminum matrix composite, as a new electronic packaging material, has attracted the attention of researchers. Effect of magnetic field on gradient structure of aluminum matrix composites (Al-21 wt.%Si and Al-40 wt.%Cu) has been investigated during ...
Shaodong Hu +6 more
doaj +1 more source
In order to improve the heat insulation effect, a multi-shell mold structure can be applied in directional solidification. As this kind of mold is gradually immersed into water, higher temperature gradient will be formed between the upper and the bottom ...
Jingying Xu +4 more
doaj +1 more source

