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Superalloy development relies on chemical and process innovations. Superalloys develop high temperature strength through solid solution strengthening and precipitation strengthening from secondary phase precipitates such as gamma prime and carbides. Oxidation or corrosion resistance is provided by elements such as aluminium and chromium.
Welding of some Inconel alloys (especially the gamma prime precipitation hardened family; e.g., Waspaloy and X-750) can be difficult due to cracking and microstructural segregation of alloying elements in the heat-affected zone. However, several alloys such as 625 and 718 have been designed to overcome these problems.
On this page, environmental lawsuit means "a lawsuit where the well-being of an environmental asset or the well-being of a set of environmental assets is in dispute". Also on this page, lawsuit with environmental relevance means "a lawsuit where a non-environmental entity or a set of non-environmental entities is in dispute, but whose outcome has relevance for an environmental asset or for a ...
Environmental Assessment has little to do with the subject of hazardous substance liability, but rather is a study preliminary to an Environmental Impact Statement, which identifies environmental impacts of a land development action and analyzes a broad set of parameters including biodiversity, environmental noise, water pollution, air ...
Nickel aluminide refers to either of two widely used intermetallic compounds, Ni 3 Al or NiAl, but the term is sometimes used to refer to any nickel–aluminium alloy. These alloys are widely used because of their high strength even at high temperature, low density, corrosion resistance, and ease of production. [1]
Groundwater pumping has been causing the land to sink at a record pace in California's San Joaquin Valley. New research suggests ways of addressing the problem.
Lead Paint Violations In Homes With Young Children. More than 75 percent of all violations for lead paint conditions in units with children under the age of 6 are found in areas where the poverty rate exceeds the city's average of 21 percent, according to a Huffington Post / WNYC analysis of government data.
Due diligence can be a legal obligation, but the term more commonly applies to voluntary investigations. It may also offer a defence against legal action. A common example of due diligence is the process through which a potential acquirer evaluates a target company or its assets in advance of a merger or acquisition. [1]