• Category

• Discussion

  [0]

• View source
• History
• Attachments

From GHN

Revision as of 20:23, 2 February 2012

Various topics dealing with the science of materials including chemical analysis, separation processes and filtration

A hydrogeneration pilot plant in Pittsburgh- Image by The National Energy and Technology Laboratory

Subcategories

• Absorption - the incorporation of substances of one state into a material of another state (such as liquids being absorbed by solids)
• Aging - the change in the molecular structure of a chemical due to aging
• Chemical analysis - the study of the separation, identification, and quantification of chemical components of natural and artificial materials
• Contamination - the presence of an unwanted material in another or in a space
• Degradation - the decomposition of chemical compounds into simpler compounds
• Filtration - the mechanical operation of the separation of solids from fluids
• Hysteresis - the dependence of a system on not only its current environment, but the states of its past environment
• Impurities - substances in a confined amount of material which differ from the chemical composition of that material
• Materials handling - the process of ensuring that materials are not tainted or disrupted during movement
• Materials preparation - the preparing of materials used in an appropriate state for future use
• Materials testing - the evaluation of the nature and composition of chemicals
• Microstructure - defined as the structure of a prepared surface revealed by a microscope at above 25x magnification
• Periodic structures - a structure or system that can be superimposed on itself by a parallel displacement over a distance
• Pigmentation - materials that change the wavelength of reflected light through selective absorption
• Separation processes - any mass transfer process used to convert a mixture of substances into two or more distinct product mixtures
• Surfaces - the outside or covering of a material