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Susceptibility of thread-forming screws made from stainless steels with relation to stress corrosion cracking

Type of Publication
Year of Publication
2002
Authors

R. Landgrebe; M. Gugau; H. Friederich

Abstract

Thread-forming screws, manufactured from martensitic and austenitic stainless steels, were tested concerning their susceptibility with relation to stress corrosion cracking. Based as closely on application usage as possible, testing comprised using the fasteners to clamp steel sheets of different material types at changing corrosion conditions according to DIN 50021-SS and DIN 50018-KWF 2,OS. During the exposure until 90%2of the martensitic drilling screws had failed due to hydrogen-induced stress corrosion cracking. Such fasteners represent a safety risk in building practice, even if corrosion resistance requirements are minimal. The screws made of austenitic materials bore the identical test conditions without cracking.

DOI

10.1002/1521-4176(200203)53:33.0.co;2-s

Volume

53

Notes

Times Cited: 1 1

Pagination

165-175

Number
3
ISSN Number

0947-5117

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