By Bangwei Zhang Ph.D.
Amorphous and Nano Alloys Electroless Depositions: know-how, concept, constitution and Property describes the entire improvement and an important topics (technology, thought, constitution and estate) modern of electroless plating (EP). the writer concentrates at the basic medical and educational difficulties (principle, mechanism and thought) in EP today.
Based at the heritage of EP, this helpful reference describes plenty of new EP methods, together with electroless Fe established alloy method deposits, formation and theoretical description of electroless alloys, microscopic concept of electroless plating deposits, microscopic buildings and floor morphology of electroless deposits, and weldability estate of electroless deposits.
- Focus at the primary medical and educational difficulties (principles, mechanisms and conception) in electroless plating
- The e-book offers a good evaluation of the study and improvement during this box and every bankruptcy is absolutely referenced
- Detailed research and assessment of the present info, logically dependent for ease of use
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Extra resources for Amorphous and nano alloys electroless depositions : technology, composition, structure and theory
Sample text
These are affected by various factors such as metal salt(s), complexing agent, additives, pH value, temperature, and stability agent. These reactions and factors affect each other; therefore, it is difficult for the whole mechanism to be elucidated by experimental approaches. Based on such considerations, some scientists thought that finding the generalized correct mechanism may not be a clever idea [127]. By the end of this period, the nature of kinetics of electroless deposition process was fairly well understood [128, 129].
In his US Patent 3,011,920 “method of electroless deposition on a substrate and catalyst solution therefor” [97] provided electroless metal deposit coatings in the manufacture of printed electrical circuits, as linings for nave guide cavities, as an initial coating in electroforming, and for decoration. The principal object of this invention is to provide improved methods and materials for depositing electroless meter coatings. At the 1961 American Electroplaters Society Convention in Boston, MA, DeLong presented a paper: “plating on magnesium by electrodeposition and chemical reduction methods” [98].
Submersible centrifugal electric pumps are one of the basic means of mechanized recovery of petroleum from wells. In 1990, Tomlinson and Carroll studied the relationship between the substrate roughness, deposit thickness, and the corrosion of electroless nickel coatings [166]. In 1993, Doong et al. measured the corrosion behavior of the electroless Ni–P plating interlayer in the modification of the TiN coating [167]. They found that for a thicker Ni–P interlayer (greater than 5 mm), no appreciable corrosion was observed up to hundreds of hours after salt spray testing.
