Melting Silver

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Into the Melting Pot

Author : Unn Pedersen
Publisher : Aarhus Universitetsforlag
Page : 222 pages
File Size : 44,9 Mb
Release : 2016-10-17
Category : History
ISBN : 9788771845075

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Into the Melting Pot by Unn Pedersen Pdf

This volume examines workshop waste and discusses the craftspeople in the Viking town of Kaupang including their activities, crafted products, raw materials, skills and networks. The study focuses on artefacts used in non-ferrous metalworking: crucibles, moulds, matrix dies, tuyeres and a unique collection of lead models.The tools and the waste material provide a completely new understanding of the craftspeople who were working with gold, silver, copper alloys, lead and tin. These metalworkers mastered many different materials and techniques; indeed, they were well-informed, well-trained and skillful, and manufactured a range of different items for women and men. There is every reason to believe that visitors and residents perceived the non-ferrous metalworking as a defining feature of the Viking-period town. The combination of excavations and surface surveys has produced a broad and diverse collection of material very similar to finds in different Viking-period towns in Scandinavia including Ribe, Birka and Hedeby. The finds show that Kaupang was an important centre for the production of jewelry, and the craftsmen appear to have had access to a range of high quality raw materials including brass and kaolin clay. Their activity can be traced from the earliest layers of the beginning of the 9th Century to the early 10th Century. Altogether, the production waste from Kaupang illustrates how a range of different social groups were involved in the process of forging an urban identity.

Laser beam melting of immiscible FeMn-AgX for adapted bioresorbability

Author : Jan Tobias Krüger
Publisher : BoD – Books on Demand
Page : 148 pages
File Size : 47,5 Mb
Release : 2023-05-19
Category : Technology & Engineering
ISBN : 9783757870317

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Laser beam melting of immiscible FeMn-AgX for adapted bioresorbability by Jan Tobias Krüger Pdf

The application of Iron to open up new applications for bioresorbable implants is promising. However, modification of Iron is necessary to adjust the required properties. Alloying with Manganese improves the mechanical performance and increases the degradation rate. Further acceleration of degradation can be adjusting electrochemically noble phases to force the anodic dissolution of the Iron-based matrix. Since Silver and Iron are insoluble in each other, Silver phases can exist in an unmodified Iron-Manganese matrix. Silver is biocompatible and provides an antibacterial effect. If a degradable Silver alloy is used, the Silver phases can degrade after the Iron-Manganese matrix. One way to process metals that are not soluble in each other by melting metallurgy is powder-bed-based selective laser beam melting. The small melt pool, strong melt flow, and rapid solidification enable the inclusion of Silver in the Iron-Manganese matrix. To enable selective tailoring of the morphology, distribution, and chemical composition of the Silver phases, a model was developed for the interaction of the insoluble components in the melt pool and the formation of the Silver phases during laser beam melting. The principle effectiveness of anodic dissolution by Silver phases has been confirmed. However, this does not result in an increased degradation rate, since deposits with a blocking effect are formed.

The Engineer's and Mechanic's Encyclopædia, Comprehending Practical Illustrations of the Machinery and Processes Employed in Every Description of Manufacture of the British Empire, Etc

Author : Luke Hebert
Publisher : Unknown
Page : 998 pages
File Size : 52,6 Mb
Release : 1852
Category : Electronic
ISBN : BL:A0026649967

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The Engineer's and Mechanic's Encyclopædia, Comprehending Practical Illustrations of the Machinery and Processes Employed in Every Description of Manufacture of the British Empire, Etc by Luke Hebert Pdf

Chemical News

Author : Anonim
Publisher : Unknown
Page : 348 pages
File Size : 45,8 Mb
Release : 1870
Category : Electronic
ISBN : RMS:RMSCHPRE000000044B$$B

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Chemical News by Anonim Pdf

The Coin Book

Author : Isaac Smith Homans
Publisher : Unknown
Page : 232 pages
File Size : 48,8 Mb
Release : 1872
Category : Coinage
ISBN : UVA:X000473258

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The Coin Book by Isaac Smith Homans Pdf

Permanent Appropriations

Author : United States. Congress. House. Committee on Appropriations
Publisher : Unknown
Page : 1002 pages
File Size : 53,6 Mb
Release : 1934
Category : United States
ISBN : LOC:00136623308

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Permanent Appropriations by United States. Congress. House. Committee on Appropriations Pdf

The Royal Mint

Author : George Frederick Ansell
Publisher : Unknown
Page : 150 pages
File Size : 46,7 Mb
Release : 1870
Category : Coinage
ISBN : HARVARD:HWBMC2

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The Royal Mint by George Frederick Ansell Pdf

NASA Technical Note

Author : United States. National Aeronautics and Space Administration
Publisher : Unknown
Page : 844 pages
File Size : 43,9 Mb
Release : 1959
Category : Electronic
ISBN : WISC:89046921789

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NASA Technical Note by United States. National Aeronautics and Space Administration Pdf

Engineering and Mining Journal

Author : Anonim
Publisher : Unknown
Page : 468 pages
File Size : 42,7 Mb
Release : 1884
Category : Engineering
ISBN : UOM:39015014823945

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Engineering and Mining Journal by Anonim Pdf

Senate Documents

Author : United States Senate
Publisher : Unknown
Page : 770 pages
File Size : 47,9 Mb
Release : 1870
Category : Electronic
ISBN : BSB:BSB11037518

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Senate Documents by United States Senate Pdf