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ISO 7539-9:2021
Corrosion of metals and alloys — Stress corrosion testing — Part 9: Preparation and use of pre-cracked specimens for tests under rising load or rising displacement- 발행일 : 2021-08-03
- 발행기관 : ISO
상세정보
| 분야 | ISO/TC 156 : Corrosion of metals and alloys |
|---|---|
| 적용범위 | 1.1 This document specifies procedures for designing, preparing and using pre-cracked specimens for investigating the susceptibility of metal to stress corrosion cracking (SCC) by means of tests conducted under rising load or rising displacement. Tests conducted under constant load or constant displacement are dealt with in ISO 7539-6. The term “metal” as used in this document includes alloys. 1.2 Because of the need to confine plasticity at the crack tip, pre-cracked specimens are not suitable for the evaluation of thin products such as sheet or wire and are generally used for thicker products including plate, bar, and forgings. They can also be used for parts joined by welding. 1.3 Pre-cracked specimens can be stressed quantitatively with equipment for application of a monotonically increasing load or displacement at the loading points. 1.4 A particular advantage of pre-cracked specimens is that they allow data to be acquired from which critical defect sizes, above which stress corrosion cracking can occur, can be estimated for components of known geometry subjected to known stresses. They also enable rates of stress corrosion crack propagation to be determined. 1.5 A principal advantage of the test is that it takes account of the potential impact of dynamic straining on the threshold for stress corrosion cracking. 1.6 At sufficiently low loading rates, the threshold stress intensity factor for susceptibility to stress corrosion cracking, KISCC, determined by this method can be less than or equal to that obtained by constant load or displacement methods and can be determined more rapidly. |
| 국제분류(ICS)코드 | 77.060 : 금속 부식 |
| 페이지수 | 32 |
| Edition | 2 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 7539-9:2021상세보기 | Corrosion of metals and alloys — Stress corrosion testing — Part 9: Preparation and use of pre-cracked specimens for tests under rising load or rising displacement | 2021-08-03 | 표준 |
| 2 | ISO 7539-9:2003상세보기 | Corrosion of metals and alloys — Stress corrosion testing — Part 9: Preparation and use of pre-cracked specimens for tests under rising load or rising displacement | 2003-04-14 | 구판 |
관련상품
- ISO 7539-2:1989 - Corrosion of metals and alloys — Stress corrosion testing — Part 2: Preparation and use of bent-beam specimens
- ISO 7539-5:1989 - Corrosion of metals and alloys — Stress corrosion testing — Part 5: Preparation and use of C-ring specimens
- ISO 7539-4:1989 - Corrosion of metals and alloys — Stress corrosion testing — Part 4: Preparation and use of uniaxially loaded tension specimens
- ISO 7539-3:1989 - Corrosion of metals and alloys — Stress corrosion testing — Part 3: Preparation and use of U-bend specimens
- ISO 7539-8:2000 - Corrosion of metals and alloys — Stress corrosion testing — Part 8: Preparation and use of specimens to evaluate weldments
다른 사람이 함께 구입한 상품
- ISO 7539-10:2020 - Corrosion of metals and alloys — Stress corrosion testing — Part 10: Reverse U-bend method
- ISO 18135:2017 - Solid Biofuels — Sampling
- ISO 7047:2011 - Raised countersunk head screws (common head style) with type H or type Z cross recess — Product grade A
- ISO 14582:2013 - Fasteners — Hexalobular socket countersunk head screws, high head
- ISO 16130:2015 - Aerospace series — Dynamic testing of the locking behaviour of bolted connections under transverse loading conditions (vibration test)
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