Annealed high-phosphorus electroless Ni–P coatings for producing molds for precision glass molding

Qian Yu, Tianfeng Zhou, Yupeng He, Peng Liu, Xibin Wang, Yonggang Jiang, Jiwang Yan

研究成果: Article査読

2 被引用数 (Scopus)

抄録

An annealed high-phosphorus electroless Ni–P coating was developed as the mold material for precision glass molding. The coating with a phosphorus content of 11.6 wt% was prepared on heat-resistant stainless steel via an intermittent ultrasonic-assisted electroless plating method. The effects of annealing temperature and heating rate on phase transformation, grain size variation, and mechanical properties were investigated. An annealing temperature of 600 °C with a heating rate of 5 °C/min was determined to be the optimal choice for heat treatment. Microgrooves were machined on the coating surface. After heat treatment, the increased hardness and modulus helped the microgrooves on the coating resist thermal deformation during the PGM process. The PV value decreased from 0.58 to 0.32 μm, and the surface roughness decreased from Sa 104.5 to Sa 62.6 nm. The mold produced by heat-treated coating was beneficial for improving the forming accuracy of precision glass molding.

本文言語English
論文番号124297
ジャーナルMaterials Chemistry and Physics
262
DOI
出版ステータスPublished - 2021 4 1

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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