![]() ![]() International Nuclear Information System (INIS) Simulated degradation of biochar and its potential environmental implications However, the mechanisms of the degradation process and the role of environmental factors are not yet fully understood. Under operation the topside metallization of power electronic chips is commonly observed to degrade and thereby affecta device's electrical characteristics. Mechanisms of metallization degradation in high power diodesīrincker, Mads Kristensen, Peter Kjær Pedersen, Kristian Bonderup Section 5 provides a detailed technical proposal for research on environmental degradation of Al-Li alloys, and the effect of hydrogen in this. Section 4 reports on progress made on measurements and mechanisms of localized aqueous corrosion in aluminum-lithium alloys. Section 3 reports on damage localization mechanisms in aqueous chloride corrosion fatigue of aluminum-lithium alloys. ![]() This research is to provide NASA with the basis necessary to permit metallurgical optimization of alloy performance and engineering design with respect to damage tolerance, long term durability and reliability. Section 2 provides an overview of the need for research on the mechanisms of environmental-mechanical degradation of advanced aerospace alloys based on aluminum and lithium. A discussion of work proposed for the project's second year is included. Section 1 of this report records the progress achieved on NASA-LaRC Grant NAG-1-745 (Environment Assisted Degradation Mechanisms in Al-Li Alloys), and is based on research conducted during the period April 1 to November 30, 1987. ![]() ![]() This work describes the development and application of specialized characterization techniques used to study the environmental degradation mechanisms of organic coating systems employed by the United.Įnvironment assisted degradation mechanisms in aluminum-lithium alloys National Research Council Canada - National Science Library Degradation Mechanisms of Military Coating Systems ![]()
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