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Electro-codeposition of MCrAlY Coatings for Advanced Gas Turbine Applications - Complete Project Report


SUMMARY
Electrolytic codeposition is a promising alternative low-cost process for fabricating MCrAlY coatings.  In this process, CrAlY particles are codeposited with the (Ni,Co) to form an (Ni,Co)-CrAlY composite coating, which is subsequently heat treated at elevated temperatures to be transformed to the MCrAlY coating containing phases of β-NiAl, γ-(Ni,Co), etc.  Two types of CrAlY-based particles (made by ball milling and gas atomization) were employed.  The effects of several key processing parameters, such as current density, particle loading, and particle size/shape density, on the CrAlY particle incorporation in the electrodeposited (Ni,Co)-CrAlY coatings were studied.  For the ball-milled CrAlY powder, an increase in current density led to a decrease in particle incorporation, whereas for the gas-atomized CrAlY powder the current density showed a negligible influence on particle incorporation.  The relationship of particle incorporation and particle loading foll ....

United States , Oak Ridge , Zuid Holland , University Of Tennessee , Ying Zhang , James Lindsay , Malvern Mastersizer , Prentice Hall , E Jennings Taylor , University Of Alberta , University Of Tennessee Knoxville , Clare Omolesey Ltd , Lehigh University , Department Of Mechanical Engineering , Co Ni , Sandvik Materials Technology , Oak Ridge National Laboratory , Co Or Ni , Phoenix Scientific Industries Ltd , Tennessee Technological University , Yanshan University China , Foundation Research , Shanghai University China , Research Project , Delft University Of Technology , Surface Technology White Papers ,

NASF/AESF Foundation Research Project #121: Development of a Sustainability Metrics System and a Technical Solution Method for Sustainable Metal Finishing: 3rd Quarterly Report


Overview
It is widely recognized in many industries that sustainability is a key driver of innovation.  Numerous companies, especially large ones that made sustainability as a goal, are achieving clearly more competitive advantage.  The metal finishing industry, however, is clearly behind others in response to the challenging needs for sustainable development.
This research project aims to:
Create a metal-finishing-specific sustainability metrics system, which will contain sets of indicators for measuring economic, environmental and social sustainability,
Develop a general and effective method for systematically sustainability assessment of any metal finishing facility that could have multiple production lines, and for estimating the capacities of technologies for sustainability performance improvement, ....

New York , United States , Wayne State University , Thomas Saaty , Yinlun Huang , Abdurrafay Siddiqui , Board Of Trustees , American Institute Of Chemical Engineers Aich , Department Of Chemical Engineering , Power Research , American Chemical Society , Technical University Of Berlin , Professor At Wayne State University Detroit , Aiche Research Excellence In Sustainable Engineering Award , Kansas State University Manhattan , Journal Of Nano Energy , Tsinghua University , Technology Innovation For Highly Sustainable Manufacturing , Laboratory For Multiscale Complex Systems Science , Pollution Prevention Committee , Wayne State University As Assistant Professor , Sustainable Engineering Graduate Certificate Program , Wayne State University In Detroit , College Of Engineering , Zhejiang University Hangzhou , Us National ,