Studies on Microstructure and Crystallization Behavior of Electroless Nickel-High Phosphorus Coatings

Abstract

Abstract: The electroless nickel-high phosphorus coatings with 12.8% P(mass fraction) have been deposited from acidic bath containing mixed complexing agents. The microstrucrure and crystallization behavior of the deposits have been characterized by AFM, TEM, DSCand XRD. The results show that the as-plated deposits exhibit a rounded mound topography and have an amorphous structure. The deposits crystallize into metastable phase Ni 5P₂ at 343.8 ℃, which are subsequently transformed into stable phases of nickel and Ni₃Pcrystallites at 440.4 ℃. This behavior is apparently different from that of the deposits produced from alkaline ethanolamine baths.

Key words: Electroless nickel plating, High phosphorus alloys, Microstructure, Crystallization behavior

CLC Number:

O646

TrendMD:

JIANG Tai-Xiang, WU Hui-Huang . Studies on Microstructure and Crystallization Behavior of Electroless Nickel-High Phosphorus Coatings[J]. Chem. J. Chinese Universities, 2001, 22(6): 976.

[1]	HAN Yandong, HAN Mingyong, YANG Wensheng. Sol-gel Construction of Mesoporous Silica Nanomicrostructures [J]. Chem. J. Chinese Universities, 2021, 42(4): 965.
[2]	ZHANG Jiayi, DING Zhenyao, WANG Dandan, CHEN Liping, FENG Xinjian. Fabrication of Triphase Enzyme Electrode Based on Porous Gold Substrate for High-performance Electrochemical Biosensor [J]. Chem. J. Chinese Universities, 2021, 42(10): 3167.
[3]	JIANG Huayi,LIU Mei,QI Hongyuan,LIANG Aiguo,WANG Yulong,SUN Nana,WU Zhe. Fractal Characteristics of the Microstructures of Three Hydrophobic Surfaces with Steel Substrate and Their Effects on Wettability ^† [J]. Chem. J. Chinese Universities, 2020, 41(6): 1313.
[4]	LIU Yi, XU Xiaozhou, MO Song, ZHAI Lei, HE Minhui, FAN Lin. Thermal Stability of Polyimide Resins Containing Siloxane Structure and Their High Temperature Structural Evolution [J]. Chem. J. Chinese Universities, 2019, 40(1): 187.
[5]	ZHAO Lei,LUO Yongchun,DENG Anqiang,JIANG Wanting. Hydrogen Storage and Electrochemical Properties of the Mg-free A₂B₇-type La_1-_xY_xNi_3.25Mn_0.15Al_0.1 Alloys with Superlattice Structure^† [J]. Chem. J. Chinese Universities, 2018, 39(9): 1993.
[6]	HAN Jiahui,HUANG Hanxiong,HUANG Yuxiao. Improving Crystallization Behavior and Melt Strength of Poly(lactic acid) via Adding Talc and PLA-g-MAH^† [J]. Chem. J. Chinese Universities, 2018, 39(9): 2089.
[7]	QIAN Yihao, ZHANG Dongjie, CHENG Zhongjun, KANG Hongjun, LIU Yuyan. Preparation of Hydrophilic Epoxy Resin and Its Wettability Regulation^† [J]. Chem. J. Chinese Universities, 2018, 39(8): 1823.
[8]	REN Huicheng,WU Yingfei,LIU Dandan,NIE Huarong,HE Aihua. Crystallization, Nucleation and Kinetics of TPI in SSBR/TPI Blends^† [J]. Chem. J. Chinese Universities, 2018, 39(5): 1091.
[9]	YANG Yejin,YOU Jinglin,WANG Jian,WANG Min,HE Yingxia,WU Zhidong. In-situ High Temperature Raman Spectroscopic and Decomposition Thermodynamic Study of the Structure of Potassium Hydrogen Sulfate and Its Melt^† [J]. Chem. J. Chinese Universities, 2018, 39(10): 2272.
[10]	LI Ru, YU Liangmin, YAN Xuefeng, JIANG Tao. Morphology-controlled Preparation and Photocatalytic Properties of Cu₂O/ZnO Microstructures^† [J]. Chem. J. Chinese Universities, 2017, 38(2): 267.
[11]	LÜ Tong,CHENG Zhongjun,LAI Hua,ZHANG Enshuang,LIU Yuyan. Reversible Controlling Underwater Oil Adhesion on Shape Memory Polymer Surface^† [J]. Chem. J. Chinese Universities, 2016, 37(8): 1559.
[12]	LÜ Tong, CHENG Zhongjun, LAI Hua, ZHANG Enshuang, LIU Yuyan. Shape Memory Polymer Surface with Tunable Microstructure and Adhesion^† [J]. Chem. J. Chinese Universities, 2016, 37(7): 1351.
[13]	ZHANG Lili, CHEN Qiaoyue, ZHOU Hengwei, SHI Tongfei, HUANG Yineng. Influences of Topological Chain Structures to the Crystallization of Block Copolymers^† [J]. Chem. J. Chinese Universities, 2015, 36(9): 1832.
[14]	ZHANG Ran, LÜ Chao, XIAO Xinze, LUO Yang, XU Ying. Research on Variety of Metal Microstructures Reduced by Assembled Quantum Dots^† [J]. Chem. J. Chinese Universities, 2014, 35(3): 471.
[15]	XUE Shan-Shan, SUI Gang, YANG Xiao-Ping. Preparation and Characterization of the Precursor Nanofiber of Nano-Carbon Fibers with Carboxylated Carbon Nanotubes [J]. Chem. J. Chinese Universities, 2013, 34(2): 288.

Studies on Microstructure and Crystallization Behavior of Electroless Nickel-High Phosphorus Coatings

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments