ASTM G49 Standard Practice for Preparation and Use of Direct Tension Stress-Corrosion Test Specimens
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ASTM International
Standard Practice for Preparation and Use of Direct Tension Stress-Corrosion Test Specimens
N G49
Annotation
This practice covers procedures for designing, preparing, and using ASTM standard tension test specimens for investigating susceptibility to stress-corrosion cracking. Axially loaded specimens may be stressed quantitatively with equipment for application of either a constant load, constant strain, or with a continuously increasing strain.
Tension test specimens are adaptable for testing a wide variety of product forms as well as parts joined by welding, riveting, or various other methods.
The exposure of specimens in a corrosive environment is treated only briefly because other standards are being prepared to deal with this aspect. Meanwhile, the investigator is referred to Practices G35, G36, G37, and G44, and to ASTM Special Technical Publication 425 (1).2
2 The boldface numbers in parentheses refer to a list of references at the end of this standard.
Автоматический перевод:
Общепринятая практика для подготовки и использования прямых контрольных образцов коррозии под напряжением напряженности
Эта практика покрывает процедуры для разработки, подготовки и использования экземпляров испытания на растяжение стандарта ASTM для исследования чувствительности к взламыванию коррозии напряжения. По оси загруженные экземпляры могут быть подчеркнуты количественно с оборудованием для приложения или постоянной загрузки, постоянной деформации, или с постоянно увеличивающейся деформацией.
