Tribological characteristics of electroless Ni–P alloys as an alternative to chromium coatings: infometric analysis

IF 1.8 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY
Evgeny G. Vinokurov , Tatiana F. Burukhina , Vladimir D. Skopintsev , Valeriy P. Meshalkin
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Abstract

Ni–P coatings, with their high microhardness (HV) and wear resistance, have been proposed as a viable alternative to hard chromium. However, wear testing experiments on electroless Ni–P coatings were conducted under a variety of conditions, including test equipment, load, substrate materials and counterface materials, resulting in unreliable comparative evaluations of experimental results. Therefore, this article presents an analysis of experimental research on Ni–P and Cr coatings, as well as a statistical analysis of the results obtained under similar conditions. The results of simultaneous wear tests on Ni–P and Cr coatings published from 1958 to 2022 were used for evaluation and comparative analysis. The relative wear of Ni–P versus hard Cr was calculated from experimental data and analyzed using statistical methods such as Tukey’s statistical methods, nonparametric and parametric statistics. This review found that the wear performance of electroless nickel coatings generally does not match that of hard chromium coatings. The results of this analysis indicate that: (i) Ni–P coating can be used as a protective and hardening coating; (ii) the wear resistance of the electroless Ni–P coating, being 1.9 ± 0.4 times less, does not reach the same level of wear resistance as that of hard Cr; (iii) there is a tendency for the wear resistance of Ni–P to gradually approach the wear resistance of Cr; (iv) the dependence of the wear rate on the phosphorus content of the Ni–P alloy indicates that the minimum possible wear rate is achieved at a P content of about 4–7 wt%. The search for effective alternatives to hard chromium plating is ongoing, and this review has identified several areas where effective engineering solutions could be found.

Abstract Image

作为铬涂层替代品的无电解 Ni-P 合金的摩擦学特性:信息计量分析
Ni-P 涂层具有高显微硬度(HV)和耐磨性,已被提议作为硬铬的可行替代品。然而,对化学镍-P 涂层的磨损测试实验是在各种条件下进行的,包括测试设备、负载、基体材料和对表面材料,导致实验结果的比较评估不可靠。因此,本文对 Ni-P 和 Cr 涂层的实验研究进行了分析,并对类似条件下获得的结果进行了统计分析。本文采用 1958 年至 2022 年发表的 Ni-P 和 Cr 涂层同步磨损测试结果进行评估和比较分析。根据实验数据计算了 Ni-P 与硬铬的相对磨损量,并使用 Tukey 统计法、非参数统计法和参数统计法等统计方法进行了分析。研究发现,化学镍镀层的磨损性能通常无法与硬铬镀层相比。分析结果表明(i) Ni-P 涂层可用作保护和硬化涂层;(ii) 化学 Ni-P 涂层的耐磨性比硬铬涂层低 1.9 ± 0.4 倍,达不到硬铬涂层的耐磨性水平;(iii) Ni-P 的耐磨性有逐渐接近硬铬的耐磨性的趋势;(iv) 磨损率与 Ni-P 合金中磷含量的关系表明,磷含量约为 4-7 wt% 时,磨损率可能达到最低。目前正在寻找硬铬电镀的有效替代品,本综述指出了可以找到有效工程解决方案的几个领域。
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来源期刊
Mendeleev Communications
Mendeleev Communications 化学-化学综合
CiteScore
3.00
自引率
21.10%
发文量
226
审稿时长
4-8 weeks
期刊介绍: Mendeleev Communications is the journal of the Russian Academy of Sciences, launched jointly by the Academy of Sciences of the USSR and the Royal Society of Chemistry (United Kingdom) in 1991. Starting from 1st January 2007, Elsevier is the new publishing partner of Mendeleev Communications. Mendeleev Communications publishes short communications in chemistry. The journal primarily features papers from the Russian Federation and the other states of the former USSR. However, it also includes papers by authors from other parts of the world. Mendeleev Communications is not a translated journal, but instead is published directly in English. The International Editorial Board is composed of eminent scientists who provide advice on refereeing policy.
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