BS ISO 4680:2022
$167.15
Corrosion of metals and alloys. Uniaxial constant-load test method for evaluating susceptibility of metals and alloys to stress corrosion cracking in high-purity water at high temperatures
Published By | Publication Date | Number of Pages |
BSI | 2022 | 36 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | National foreword |
7 | Foreword |
9 | 1 Scope 2 Normative reference 3 Terms and definitions |
10 | 4 Principle 5 Specimens 5.1 General 5.1.1 General requirements 5.1.2 Categories and shapes of specimens 5.1.3 Shapes and dimensions of grips/clevises 5.1.4 Dimensions of specimen shoulder and radius |
11 | 5.1.5 Machined notch 5.1.6 Dimensions of gauge section 5.1.7 Serial loading of multiple specimens |
12 | 5.2 Preparation of specimens 5.2.1 Orientation of specimen sampling 5.2.2 Methods of specimen sampling 5.2.3 Surface finishing |
13 | 5.2.4 Mechanical grinding and polishing 5.2.5 Electrolytic or chemical polishing 5.2.6 Marking |
15 | 6 Test apparatus 6.1 Test set-up 6.2 Loading mechanism |
16 | 6.3 Autoclave 6.4 Circulating loop |
17 | 7 Experimental procedure 7.1 Test environment 7.1.1 General |
18 | 7.1.2 Corrosion potential 7.1.3 Measurement parameters 7.2 Specimen number and applied stress 7.3 Testing procedures 7.3.1 General |
19 | 7.3.2 Test solution adjustment 7.3.3 Temperature control 7.3.4 Loading 7.3.5 Unloading 7.3.6 Completion of test 7.4 Addition of crevice 7.4.1 General 7.4.2 Materials of crevice formation |
20 | 7.4.3 Procedure of crevice addition 7.5 Electrical resistance measurement methods 7.5.1 General |
21 | 7.5.2 Measurement requirements 8 Assessment of results 8.1 Time to failure 8.2 Validity of failure position 8.3 Other evaluation indexes 8.4 Observation of crack morphology |
22 | 8.5 Detection of crack initiation using electrical resistance measurement methods 9 Test report |
23 | Annex A (informative) A comparison of specimen orientations in standards |
25 | Annex B (normative) Measuring items of test solution |
26 | Annex C (informative) Water chemistry conditions and measurement items for simulated BWR and PWR primary water environment tests |
28 | Annex D (informative) Procedures to interrupt and resume testing |
30 | Annex E (informative) Electrical resistance measurement methods |
33 | Annex F (informative) Test report items |
35 | Bibliography |