{"id":146,"date":"2025-08-21T17:41:12","date_gmt":"2025-08-21T15:41:12","guid":{"rendered":"https:\/\/sites.unica.it\/superfici\/?page_id=146"},"modified":"2026-03-24T17:05:13","modified_gmt":"2026-03-24T16:05:13","slug":"ni-p-alloys","status":"publish","type":"page","link":"https:\/\/sites.unica.it\/superfici\/ni-p-alloys\/","title":{"rendered":"Ni-P alloys"},"content":{"rendered":"\n

Nickel based nanocrystalline materials \u2013 synthesis, properties and characterization <\/strong><\/p>\n\n\n\n

NiP alloys exhibit excellent functional properties: good corrosion resistance, high hardness and wear resistance as well as electrical, magnetic and catalytic properties. They can be prepared by different techniques. It is generally accepted that the crystallographic structure of NiP alloys is mainly influenced by the amount of P present in the alloy, an amorphous or nanocrystalline structure is obtained at P contents higher than 14 at%. <\/p>\n\n\n\n

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Ni-P coatings as hydrogen permeation barriers – a review: the latest research results on electroless Ni-P alloys are shown. More …<\/a><\/p>\n\n\n\n

XPS and XAES analysis<\/strong> to characterise electroless Ni-P coating on iron. More…<\/a><\/p>\n\n\n\n

XPS and EDX study on re-crystallization<\/strong> of Ni-P alloys:  changes in the shape and intensity of the shake-up satellite associated with the main peak can be observed (see figure). This can be interpreted….  More..<\/a>.<\/a><\/p>\n\n\n\n

Effect of phosphorus content on the electronic structure<\/strong> of the Ni-P alloys. A systematic increase of the binding energy distance of the Ni2p main peak and its satellite is found. This can be interpreted….  More.<\/a>..<\/a><\/p>\n\n\n\n

The high corrosion resistance of electroless deposited nano-crystalline Ni19P<\/strong> is not due to the “oxide” passivity but governed by a diffusion controlled process.    More ….<\/a><\/p>\n\n\n\n

An XPS\/XAES study shows that phosphorus is present in three different chemical states. The mechanism of corrosion resistance of NiP alloys can be explained by the enrichment of a P rich layer . More…<\/a><\/p>\n<\/div><\/div>\n\n\n\n

Publications:<\/strong><\/p>\n\n\n\n

D. Biggio, B. Elsener, A. Rossi, Ni-P Coatings as Hydrogen Permeation Barriers \u2013 A Review<\/em>, Coatings 15 (2025) 365, doi: 10.3390\/coatings15040365<\/a><\/p>\n\n\n\n

D. Biggio, B. Elsener, M. Fantauzzi, A. Rossi, XPS study of electroless NiP coating on iron substrate, Surface Science Spectra 31 (2024) 024003\u00a0\u00a0doi: 10.1116\/6.0003733<\/a><\/p>\n\n\n\n

M. A. Scorciapino, M. Fantauzzi, M. Crobu, G. Navarra, B. Elsener, A. Rossi, Nanolayered Surface Films on Ni18P Alloy in Sulfate Solutions by the Maximum Entropy Method, ACS Omega 2 (2017) 7790\u20137802. DOI: 10.1021\/acsomega.7b00958<\/p>\n\n\n\n

B. Elsener, A. Krolikowski, D. Atzei, A. Rossi, Effect of phosphorus concentration on the electronic structure of Ni-P nanocrystalline electrodeposited alloys: an XPS \/ XAES study<\/strong>, Surface and Interface Analysis  40 (2008) 919 \u2013 926  doi 10.1002\/sia.2802<\/a>   <\/p>\n\n\n\n

M. Crobu, A. Scorciapino, B. Elsener, A. Rossi, The corrosion resistance of electroless deposited Ni-P alloys, Electrochimica Acta 53<\/strong> (2008) 3364 – 3370  doi.org\/10.1016\/j.electacta.2007.11.071<\/a><\/p>\n\n\n\n

B. Elsener, M. Crobu, A. Scorciapino, A. Rossi, Electroless deposited Ni-P alloys: corrosion resistnace mechanism, J. Applied. Electrochem. 38 (2008) 1053 – 1060, DOI 10.1007\/s10800-008-9573-8<\/p>\n\n\n\n

B.  Elsener, D. Atzei, A. Krolikowski, V. Rossi Albertini, C. Sadun, R. Caminiti, A. Rossi , From chemical to structural order of electrodeposited Ni24P alloy: an XPS and EDXD study<\/strong>, Chem. Mater. 2004; 16(22) pp 4216 – 4225   <\/p>\n\n\n\n

M. Crobu, Master Thesis University of Cagliari (2007)<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Nickel based nanocrystalline materials \u2013 synthesis, properties and characterization  NiP alloys exhibit excellent functional properties: good corrosion resistance, high hardness and wear resistance as well as electrical, magnetic and catalytic properties. They can be prepared by […]<\/p>\n","protected":false},"author":335,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-146","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/pages\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/users\/335"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/comments?post=146"}],"version-history":[{"count":23,"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/pages\/146\/revisions"}],"predecessor-version":[{"id":801,"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/pages\/146\/revisions\/801"}],"wp:attachment":[{"href":"https:\/\/sites.unica.it\/superfici\/wp-json\/wp\/v2\/media?parent=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}