A kind of etchant and corrosion method for displaying tin alloy metallographic phase
A corrosive agent, indium tin alloy technology, applied in the field of tin alloy metallography, to achieve the effect of obvious grain boundaries, accurate grain size, and increase surface gloss
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Embodiment 1
[0030] A kind of corrosion method for displaying tin alloy metallographic phase of the present invention comprises the following steps:
[0031] (1) Take a tin alloy sample, the tin alloy is an indium-tin alloy, and the mass fraction of tin in the indium-tin alloy is 20 wt %; the size of the indium-tin alloy provided in the examples of this application is 15 × 15 × 5 cm, and a lathe is used first. The surface of the car is leveled, and the polished tin alloy samples are obtained by grinding and polishing in sequence; the specific process of grinding is as follows: use water-based sandpaper for grinding, and the mesh numbers of the water-based sandpaper are 1000#, 1500#, 2000#, 3000# and 5000#; lightly place 1000# water-based sandpaper on the end face of the sample car, and use water as the coolant during the grinding process, and polish until the surface is smooth and no trace of car passing can be seen. The grinding speed is 400r / min, and each surface is polished for 5min. P...
Embodiment 2
[0036] A kind of corrosion method for displaying tin alloy metallographic phase of the present invention comprises the following steps:
[0037] (1) Take a tin alloy sample, the tin alloy is an indium-tin alloy, and the mass fraction of tin in the indium-tin alloy is 10 wt %; the size of the indium-tin alloy provided in the examples of this application is 15 × 10 × 5 cm, and a lathe is used first. The surface of the car is leveled, and the polished tin alloy samples are obtained by grinding and polishing in sequence; the specific process of grinding is as follows: use water-based sandpaper for grinding, and the mesh numbers of the water-based sandpaper are 1000#, 1500#, 2000#, 3000# and 5000#;
[0038]Gently place 1000# water-based sandpaper on the end face of the sample vehicle for grinding, and use water as the coolant during the grinding process until the surface is smooth and no trace of the vehicle has been seen. The grinding speed is 400r / min, and each surface is polish...
Embodiment 3
[0043] A kind of corrosion method for displaying tin alloy metallographic phase of the present invention comprises the following steps:
[0044] (1) Take a tin alloy sample, the tin alloy is an indium-tin alloy, and the mass fraction of tin in the indium-tin alloy is 90 wt %; the size of the indium-tin alloy provided in the examples of this application is 15 × 10 × 5 cm, and a lathe is used first. The surface of the car is leveled, and the polished tin alloy samples are obtained by grinding and polishing in sequence; the specific process of grinding is as follows: use water-based sandpaper for grinding, and the mesh numbers of the water-based sandpaper are 1000#, 1500#, 2000#, 3000# and 5000#;
[0045] Gently place 1000# water-based sandpaper on the end face of the sample vehicle for grinding, and use water as the coolant during the grinding process until the surface is smooth and no trace of the vehicle has been seen. The grinding speed is 400r / min, and each surface is polis...
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Abstract
Description
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Application Information
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