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Severe Plastic Deformation Techniques
Grain size is recognized as a key microstructural factor affecting mechanical and, to some extent, physical properties of metals and metallic materials. For this reason, all the means designed to control and modify the grain size are considered a proper way to design and tailor metallic materials with desired properties. In this sense, microstructure refinement through severe plastic deformation (SPD) techniques can be considered a key method for this purpose. A typical SPD process is currently defined as any method of metal forming under extensive hydrostatic pressure intended to impose a very high strain on a bulk solid without involving any significant change in the overall dimensions and...
Recent Advances in Welding
"Welding is a conventional joining process that has followed the recent developments in other manufacturing processes, continuing to be an extremely used and investigated process. Several technologies developed in other areas of knowledge have converged in the area of welding, allowing significant improvements in the quality of the products obtained and in the increased productivity of the processes. Although some techniques have been implemented and studied for several decades, the interest of researchers in welding has not diminished, as it can be seen through new processes that have emerged, such as Friction Stir Welding, in addition to many other notable developments in welding processes...
Handbook of Welding
"From conventional welding techniques to electron or laser beam, this book provides a comprehensive overview about processes, metallurgy, quality assessment, testing, and numerical simulation in welded structures"--
Official Catalogue
None
Slave Trade and Abolition
Well into the early nineteenth century, Luanda, the administrative capital of Portuguese Angola, was one of the most influential ports for the transatlantic slave trade. Between 1801 and 1850, it served as the point of embarkation for more than 535,000 enslaved Africans. In the history of this diverse, wealthy city, the gendered dynamics of the merchant community have frequently been overlooked. Vanessa S. Oliveira traces how existing commercial networks adapted to changes in the Atlantic slave trade during the first half of the nineteenth century. Slave Trade and Abolition reveals how women known as donas (a term adapted from the title granted to noble and royal women in the Iberian Peninsula) were often important cultural brokers. Acting as intermediaries between foreign and local people, they held high socioeconomic status and even competed with the male merchants who controlled the trade. Oliveira provides rich evidence to explore the many ways this Luso-African community influenced its society. In doing so, she reveals an unexpectedly nuanced economy with regard to the dynamics of gender and authority.
Official Catalogue of the International Exhibition of 1876. (Part 3-4)
Reprint of the original, first published in 1876.
