GB/T 15970.2-2000
Corrosion of metals and alloys-Stress corrosion testing--Part 2: Preparation and use of bent-beam specimens (English Version)

Standard No.: GB/T 15970.2-2000
Language: Chinese, Available in English version
Release Date: 2000
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 15970.2-2000

Scope: This part of GB/T 15970 deals with the design, preparation and use procedures of bent beam specimens for the study of the susceptibility of metals to stress corrosion. The term "metal" used in this part of GB/T 15970 includes alloys. Bending beam specimens can be used to test various forms of products. Primarily suitable for rolled strip, plate or tube, whereby sheet specimens with a rectangular cross-section are conveniently available, but also for cast material, wire, rod or machined specimens with a circular cross-section. Bent beam specimens can also be applied to welded components. The preparation of the sample and the loading device are simple and cheap. Therefore, the bent beam sample is especially suitable for a large number of tests and atmospheric stress corrosion tests. Bending beam specimens are generally tested under nominal constant strain conditions, but nominal constant load conditions can also be used. In both cases, a local change in the curvature of the specimen when cracking occurs will result in a change in the crack growth conditions. "Test stress" shall be taken as the highest surface tension stress at the beginning of the test.

GB/T 15970.2-2000 history

2000 GB/T 15970.2-2000 Corrosion of metals and alloys-Stress corrosion testing--Part 2: Preparation and use of bent-beam specimens