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ASTM Selected Technical Papers
Stainless Steels for Medical and Surgical Applications
By
GL Winters
GL Winters
1
Cedar Creek, Texas,
USA
Search for other works by this author on:
MJ Nutt
MJ Nutt
2
Spinal Innovations
,
Bartlett, Tennessee,
USA
Search for other works by this author on:
ISBN-10:
0-8031-3459-2
ISBN:
978-0-8031-3459-1
No. of Pages:
286
Publisher:
ASTM International
Publication date:
2003

Recently, low-nickel stainless steels have been developed, in part due to concerns over patient hypersensitivity reactions. These alloys have been investigated and found to provide excellent mechanical and corrosion properties. This study compares the mechanical properties, notch sensitivity, and stress corrosion cracking (SCC) susceptibility of one such alloy, BioDur® 108, to 316LS and 22Cr-13Ni-5Mn stainless steels which have a long successful implant history. BioDur® 108 was found to have a tensile strength, yield strength, and notch tensile strength similar to 22Cr-13Ni-5Mn, and both had higher values of these properties as compared to 316LS. In addition, BioDur® 108 had the largest percentage elongation during tensile testing of the three alloys but lower reduction of area than 316LS. No evidence of SCC mechanisms was revealed in either the test results or fracture analysis on any of the materials tested. With these material properties and its very low nickel content, BioDur® 108 may be a useful alternative for certain medical implant applications.

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,
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