Abstract
Electroless nickel phosphide (Ni–P) plating is used to fabricate microgrooves for precision glass molding (PGM) due to its excellent mechanical properties as a mold material. To achieve a high-quality microgroove fabrication, the causes of the machining defect, like burrs on the mold surface during the microgrooving of amorphous nickel phosphide (a-Ni–P) by single-point diamond cutting, are investigated. We find that the burrs can be eliminated by increasing the brittleness of a-Ni–P, so the brittleness enhancement of the material is conducted by crystallization. Then, the machined surface and the chip morphology during cutting crystalline nickel phosphide (c-Ni–P) are analyzed and compared with that during a-Ni–P microgrooving. Through this innovation, the surface quality of the microgroove is improved with minimized burrs.
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Liu, Y., Zhao, W., Zhou, T. et al. Surface defect elimination in microgrooving of electroless nickel phosphide plating layer by brittleness enhancement. Int J Adv Manuf Technol 94, 1327–1333 (2018). https://doi.org/10.1007/s00170-017-0940-7
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DOI: https://doi.org/10.1007/s00170-017-0940-7