Today we will talk about the sample preparation equipment and some preparation steps required for high-temperature alloy printing samples. The details are as follows:
1. Aluminum alloys, high-temperature alloys, including titanium alloys, and other 3D printed samples can be operated according to the conventional polishing process of the alloy during the polishing process. For example, when polishing titanium alloys, a certain amount of hydrogen peroxide needs to be added to the polishing solution.
2. During the polishing process, sample defects should be avoided from being covered up, and a reasonable selection of metallographic polishing cloth should be used to present a more realistic organizational morphology.
3. The equipment can be selected as METLAB METPOL-A automatic metallographic polishing machine
Original imported MetLab automatic metallographic grinding and polishing machine METPOL– A. It has both manual mode and flexible application. Programmable and compatible with automatic liquid feeding system, achieving full automatic control. The fixture can hold 6 samples simultaneously. The anti-corrosion steel body is sturdy and durable. The grinding wheel has adjustable rotation speed and steering, a large color touch control system, a comprehensive cooling and cleaning system, drainage system, splash protection cover, dust cover and other detailed designs are all very convenient. Suitable for metallographic grinding and polishing of various materials, it is an ideal automatic metallographic grinding and polishing equipment for metallographic laboratories.

METPOL–Performance of automatic metallographic polishing machine A:
• METPOL– A is an automatic grinding and polishing machine that can be used in manual mode
• Large color touch screen, clear and easy to operate; 5 groups * 12 steps/groups of programs can be preset/stored, facilitating the study of various materials
• The power head can be set with pneumatic limit, which rationalizes the utilization of sandpaper and polishing cloth in automatic mode
• The speed of the grinding disc can be adjusted, and the steering can be clockwise or counterclockwise; The speed of the power head can be adjusted, and the steering can be clockwise or counterclockwise; The power head can automatically reset after grinding and polishing
• The cooling water nozzle can be turned and retracted; Compatible with the automatic liquid feeding system, which has a polishing liquid reflux function to avoid clogging of the liquid feeding pipe
• A simple and convenient drainage system; The fixture can hold 6 samples with a diameter of 40mm
• Bowl shaped lining with anti-corrosion treatment; Steel body with anti-corrosion treatment, sturdy and durable
• Equipped with splash shield and dust cover
The preparation steps are as follows:
Serial Number | Consumable model | granularity | medium | time | Chassis speed | Power head speed |
1 | CarbiPaper Silicon carbide sandpaper | P400 | water | wear down | 200 rpm | 60rpm |
2 | CarbiPaper Silicon carbide sandpaper | P1200 | water | 2min | 150 rpm | 60rpm |
3 | SilkCloth polishing cloth | 3μm MonoDia Diamond polishing fluid | DiaFluidCoolant | 2min | 150 rpm | 60rpm |
4 | ChemoCloth polishing cloth | SilicaPrep Silicon oxide suspension | water | 2min | 150 rpm | 60rpm |
The above are some suggestions for polishing high-temperature alloy printed samples. If you would like to know the sample preparation methods and steps for other materials, please feel free to contact Kemai's metallographic engineer at any time.
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