research
Black Chromium Finishing: Beauty and the Beast
Over the past 10 years, there has been commercial development of black chromium deposits from a trivalent chromium electrolyte. This paper will review the deposit characteristics and operational consideration of these similar, but different chromium plating deposits.
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An Improvement in the Zincate Method for Plating on Aluminum
Investigations were conducted into the sodium zincate solution used for treating aluminum prior to its being plated. Measurements of the adhesion of the nickel plate to aluminum and its alloys were done to check the effect of modifications made to this solution.
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Beyond Ni/Au: Next Generation Corrosion-Resistant Finishes for Electronics Applications
This paper describes several next-generation approaches to increasing the corrosion-resistance of electroplated articles using various methods in the search for finishes to replace the Ni/Au industry standard.
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Toward Automatic Control of Nickel Plating Processes
Technological advances in electronics manufacturing and the design of automobiles have brought about a trend toward very narrow specifications and increasingly stringent requirements on the quality of electrodeposited layers of nickel.
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Self-Induced Repair of Printed Circuit Boards
This is a re-publication of the 1992 AESF Gold Medal Award paper for best paper published in Plating & Surface Finishing in 1991. It introduces a then-new technique for repairing near-opens (constrictions) in the wiring on printed circuit boards has been developed.
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Surface Finishing in the 2000s - As Predicted in 1992
In the December 1992 issue of Plating and Surface Finishing, a series of articles was published, predicting the future of the global surface finishing industry in the 21st century, then due to arrive in less than a decade.
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Impact of Intermetallic Species on Cast Aluminum Alloys for Anodizing Applications
Alloys with higher silicon concentrations can inhibit the growth of anodic oxide films under galvanostatic and potentiostatic conditions.
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The Relationship Between Vickers Hardness and Universal Hardness
The Vickers indenter hardness test, based on indenter displacement under test load (universal hardness), is being used for an increasing number of applications. The new method is also subject to much discussion among the experts. An important question is the relationship or the degree of correlation between the new universal hardness test and the classic Vickers hardness test.
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Evaluation of a Simple Thin-Film Ductility Tester and Review of the Ductility of Nickel Sulfamate Deposits
Originally published in 1992, this paper addressed a critical issue in the science of electroforming, that of the measurement and control of deposit ductility.
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Electrocodeposition of MCrAlY Coatings for Advanced Gas Turbine Applications - 5th Quarterly Research Report
The objective of the work is to study and optimize the MCrAlY electrocodeposition process to improve the coating oxidation/corrosion performance. In this quarter, work focused on preparation and characterization of CrAlY-based alloy powders for the planned research activities in Task 2: The Effect of CrAlY Particle size on CrAlY Particle Incorporation.
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