C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
117/153, 204/21.
C25D 15/00 (2006.01) B32B 15/08 (2006.01) C25D 3/12 (2006.01) C25D 3/56 (2006.01) C25D 5/50 (2006.01) C25D 15/02 (2006.01) H05K 3/02 (2006.01)
Patent
CA 2028073
COMPOSITE NICKEL-PHOSPHORUS ALLOY PLATED METAL SHEET EXCELLENT IN STRIPPABILITY AND HAVING HIGH HARDNESS AND METHOD FOR MANUFACTURING SAME ABSTRACT OF THE DISCLOSURE A composite nickel-phosphorus alloy plated metal sheet excellent in strippability and having a Vickers hardness of at least 500 Hv, which comprises: a composite nickel-phosphorus alloy plating layer as a lower layer, formed on at least one surface of a metal sheet, in which Ni3P particles and fluorocarbon polymer particles are uniformly dispersed; and a fluorocarbon polymer layer as an upper layer formed by melting the fluorocarbon polymer particles which are exposed on the surface of the composite nickel-phosphorus alloy plating layer as the lower layer. The sum of a phosphorus content in the composite nickel- phosphorus alloy plating layer as the lower layer and a phosphorus content in the Ni3P particles is from 1 to 15 wt.% relative to the composite nickel-phosphorus alloy plating layer as the lower layer, and a content of the fluorocarbon polymer particles in the composite nickel- phosphorus alloy plating layer as the lower layer is from 0.3 to 15.2 wt.% relative to the composite nickel- phosphorus alloy plating layer as the lower layer.
Abe Masaki
Kagaya Shinichi
Kagechika Hiroshi
Kuruma Kiyoshi
Abe Masaki
Kagaya Shinichi
Kagechika Hiroshi
Kuruma Kiyoshi
Macrae & Co.
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