The publication describes modern methods of production fine plastic art castings. stage the smelted model and development casting technology is considered. theoretical basis for obtaining models a given quality given. review technologies standard castings presented.

The research conducted in the paper highlights importance of pressure or holding mold cavity as a critical production parameter high-pressure die casting process for Al-Si alloys. experiments revealed direct correlation between and mechanical properties castings, including ultimate tensile strength, percentage share porosity, structure results showed that increasing led to an increase strength ...

The purpose of this study was to evaluate the effect of changes in the tapering angle of inlay casting, adhesive gap and cavosurface margin on the cavity wall adaptability of the inlay made by the dental CAD/CAM CEREC 2 system. Designed inlay castings were fabricated at three different tapering angles: 0, 3, and 6 degrees. Adhesive gap of 0, -50, -100 microns and adhesive gap of 0 micron combin...

Ductile iron is one of the most important engineering materials, in view of its excellent castability, signifi cantly better mechanical properties and low cost [1, 2]. It represents the fastest growing segment of the iron market. In the medium term, it is to be expected that the market share of nodular iron will level off at 40 % to 45 % [3]. Achieving the full potential of ductile iron require...

STATEMENT OF PROBLEM It is not known whether different high-palladium alloys of similar composition possess comparable tensile strength properties associated with connector soldering. PURPOSE The purpose of this study was to evaluate the tensile strength properties of 2 high-palladium alloys on soldered connectors under simulated pre-ceramic and post-ceramic soldering conditions. MATERIAL A...

The effect of vibration (50 Hz) on the formation aluminum castings 99.5% purity at various cooling rates was studied. It found that presence leads to an increase in rate castings. higher speed without vibration, stronger increasing when applied. Apparently, this is associated with additional mixing melt by free-floating crystals.

Chaput Kevin J. Ph.D., Purdue University, May 2015. Near-Congruent Solidification of Castings. Major Professor: Kevin Trumble. A study on the microstructure development of as-cast Cu-Mn alloys based around the congruent minimum at 34.6 wt % Mn and 873 oC was performed. Initially, this was to evaluate the alloy as an alternative to wide freezing range Pb and Sn bronzes that are plagued with poro...