Applied Mathematicsematics

Stainless Steels for Medical and Surgical Applications (ASTM by Gary L. Winters and Michael J. Nutt, editors

By Gary L. Winters and Michael J. Nutt, editors

Twenty-one peer reviewed papers provide the most modern examine and technical advancements within the scientific makes use of of stainless steels. This new ebook covers a variety of subject matters together with corrosion, put on, organic reaction, radiopacity, and the excessive price of scientific items. New alloys are mentioned as suggestions to a few matters through providing extra biocompatible, larger caliber, radiopaque, or affordable choices for orthopaedic implants and stents. well timed concerns, equivalent to accidents a result of interplay of implants and MRI examinations also are addressed.

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Stainless Steels for Medical and Surgical Applications (ASTM Special Technical Publication, 1438)

Twenty-one peer reviewed papers provide the most modern examine and technical advancements within the scientific makes use of of stainless steels. This new book covers quite a lot of issues together with corrosion, put on, organic reaction, radiopacity, and the excessive rate of scientific items. New alloys are mentioned as options to a few matters via providing extra biocompatible, better caliber, radiopaque, or competitively priced choices for orthopaedic implants and stents.

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Additional info for Stainless Steels for Medical and Surgical Applications (ASTM Special Technical Publication, 1438)

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Based on these results, it was determined that between 1 and 5 w tantalum would be required to slightly enhance radiopacity o f coronary stents made o f the resulting alloy over the X-ray energy range used in a catheterization laboratory (-65 keV to ~120 keV). Tantalum was added to a commercial UNS $31673 alloy meeting F138 specifications, BioDur 9 316LS and cast in 100 g ingots. 0 w Ta in the stainless steel matrix were cast. Compositions of the alloys are in Table 7. 40 The production of the alloys and their subsequent rolling was accomplished at the U.

Nevertheless, only bar material with high breakdown potential should be used as raw material for forged products. The corrosion resistance declines as a result of the forging process. As a result, the forging process should be optimzed with a view to combining the mechanical properties with high corrosion resistance. High-nitrogen stainless steel has also been employed for cemented hip prostheses in Europe for more than 15 years. Up to now, there have been no reports of any negative results such as fractured stems or corrosive surface changes, which could be associated with this material.

American Society for Testing Materials, Philadelphia, 1985, pp. 415 - 428. E,, "An Austenitic Stainless Steel of Imporved Strength and Corrosion Resistance," Stainless Steel Industry, Vol. 6, No, 23, 1978, pp. 21 - 23. , "A New Stainless Steel Alloy for Surgical Implants Compared to 316S12," Biomaterials, 1981, Vol. 2, pp. 116- 119. , "Metallic Biomaterials," Handbook of Biomaterial Properties, J. Black and G. , Chapman & Hall, 1998, pp. 135 - 214. , "Metal Fatigue in Some Orthopedic Implants," Journal of Materials, Vol.

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