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Investigators from McMaster University Target Materials Science (Intermittent plastic flow of single crystals: central problems in plasticity: a...

July 1, 2014



Investigators from McMaster University Target Materials Science (Intermittent plastic flow of single crystals: central problems in plasticity: a review)

By a News Reporter-Staff News Editor at Journal of Technology -- Researchers detail new data in Materials Science. According to news reporting originating in Hamilton, Canada, by VerticalNews editors, the research stated, "The relationships between microstructure and plastic flow properties of copper single crystals deformed at low temperatures are reviewed based on the analysis of experimental results of mechanical, structural and electrical resistivity characterisation. Electrical resistivity measurements suggest that the flow stress correlates with the average density of defects accumulated in the microstructure."

The news reporters obtained a quote from the research from McMaster University, "The characteristic microstructural length scale that determines the flow stress corresponds closely to the size of dislocation free channels and/or cells produced during plastic flow. The correspondence between micro- and macroscopic approaches to the plastic flow has been analysed based on the behaviour of dislocation mean free path and mean slip distance and their relationship to the microstructure."

According to the news reporters, the research concluded: "Production and annihilation of nanoscale debris and point defects and their role in plastic flow and questions pertinent to the influence of microstructural instabilities on the flow stress, workhardening, storage and annihilation of lattice defects have been discussed."

For more information on this research see: Intermittent plastic flow of single crystals: central problems in plasticity: a review. Materials Science and Technology, 2014;30(7):739-757. Materials Science and Technology can be contacted at: Maney Publishing, Ste 1C, Josephs Well, Hanover Walk, Leeds LS3 1AB, W Yorks, England.

Our news correspondents report that additional information may be obtained by contacting M. Niewczas, McMaster University, Dept. of Mat Sci & Engn, Hamilton, ON L8S 4M1, Canada.

Keywords for this news article include: Canada, Ontario, Hamilton, Materials Science, North and Central America

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Journal of Technology


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