Apparatus for detection of foreign material in aluminum as well as aluminum alloy fondant

Abstract

The invention provides a device for detecting occluded foreignsubstances in the aluminum and aluminum alloy fused mass, which belongs to the field of casting technique. The invention is composed of a temperature controlling system, a filtering system, a vacuum system, a real time weighting system and a computer. The temperature controlling system is equipped around the filtering system, the vacuum system is under the filtering system which is tightly coupled with the filtering system, the filtering system is equipped in the temperature controlling system and above the vacuum system, the weight sensor part of the real time weighting system is in the vacuum system and under the filtering system, the controlling part of the real time weighting system is outside the vacuum system and is connected with the computer, which outputs weight signal for the computer; the computer is respectively connected with temperature controlling system, vacuum system and real time weighting system. The invention can control temperature accurately, which avoids error caused by temperature difference, the control system is easy to operate, the function is stable, the invention can give detection result on line rapidly, which can analyze occluded foreignsubstance in aluminum fused mass effectively.

Description

technical field [0001] The invention relates to a detection device, in particular to a detection device for inclusions in aluminum and aluminum alloy melts, and belongs to the technical field of casting. Background technique [0002] Aluminum alloys often contain a variety of typical inclusions, such as oxides: Al 2 o 3 , MgO, MgAl 2 o 4 , SiO 2 ;Salt: Chloride, Fluoride; Carbide: Al 4 C 3 , SiC; Nitride: AlN; Boride: TiB 2 , AlB 2 ; Slag: Al (FeMnCr) Si. Another class of inclusions are unwanted nascent intermetallics. These inclusions are typically large intermetallic crystals that form in the melt before the metal solidifies. For example, (Cr, Fe) Al in 7××× series alloys 7 ; (Mn, Fe)Al in 5083 7 ; MnAl in 3004 7 . These inclusions generally exist in the form of particles and films, the particle size is generally 0.1-50 μm, and the film thickness is generally 10-5000 μm. [0003] Although aluminum alloy castings have made great progress in recent years. Howe...

AI Technical Summary

Problems solved by technology

Its shortcoming is that it is only used as a device for sampling inclusions, but cannot realize rapid detection

Although Prefil-FOOTPRINTER can achieve faster online measurement and convenient sampling of inclusions, its disadvantage is that heating and filtration are not synchronized, and viscosity differences caused by temperature differences will cause deviations in results

In further searches, no literature reports identical or similar to the subject of the present invention have been found

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