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Description
The basic method of ductility designation of structural steels is the Charpy impact test. The test consists of a single strike of the specimen using a Charpy pendulum. Its result is the value of work necessary to break a specimen at a test temperature. Despite its many advantages, such as its short implementation time and low costs, it has its disadvantages, in particular:
• strong influence of notch geometry on the test result, which means that impact strength cannot be considered as an unambiguous material property,
• milled notches are not repeatable because the cutter wears,
• regardless of the thickness of the material being tested, samples of the same size are used.
Due to these disadvantages, for very responsible ship and ocean engineering constructions, such as: continuous longitudinal coamings of the largest container ships, or supporting components of drilling platforms, tests are carried out basing on fracture mechanics. For shipbuilding industry, CTOD (Crack Tip Opening Displacement) is, the most often, desired value. The test CTOD is performed by slowly bending the specimen with record of the slit opening. Before performing the test, it is necessary to know the material properties (from a tensile test). The final stage of the test is the measurement of the initial fatigue fracture geometry.
The dataset contains the photographic documentation of SEM (Scanning Electrone Microscopy) fracture investigation for a0/W = 0.30 specimen.
Dataset file
hexmd5(md5(part1)+md5(part2)+...)-{parts_count} where a single part of the file is 512 MB in size.Example script for calculation:
https://github.com/antespi/s3md5
File details
- License:
-
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CC BY-NCNon-commercial
Details
- Year of publication:
- 2021
- Verification date:
- 2021-04-28
- Dataset language:
- English
- Fields of science:
-
- mechanical engineering (Engineering and Technology)
- DOI:
- DOI ID 10.34808/h1nn-4g04 open in new tab
- Series:
- Verified by:
- Gdańsk University of Technology
Keywords
References
- laboratory Laboratorium Konstrukcji Oceanotechnicznych
- publication THE EFFECT OF NOTCH DEPTH ON CTOD VALUES IN FRACTURE TESTS OF STRUCTURAL STEEL ELEMENTS
- publication NUMERICAL MODEL OF PLASTIC DESTRUCTION OF THICK STEEL STRUCTURAL ELEMENTS
- dataset EH36 steel for shipbuilding (plate thicnkness 30 mm) - 3D fracture scan
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 50mm), a0/W = 0.6
- dataset EH36 steel for shipbuilding (plate thicnkness 40 mm) - CMOD - force record, a0/W = 0.6
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 50mm), a0/W = 0.5
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 50mm), a0/W = 0.6
- dataset EH36 steel for shipbuilding (plate thicnkness 50 mm) - CMOD - force record, a0/W = 0.5
- dataset EH36 steel for shipbuilding (plate thicnkness 50mm) - CMOD - force record, a0/W = 0.6
- dataset EH36 steel for shipbuilding (plate thicnkness 30 mm) - CMOD - force record, a0/W = 0.6
- dataset EH36 steel for shipbuilding (plate thicnkness 30 mm) - CMOD - force record, a0/W = 0.5
- dataset EH36 steel for shipbuilding (plate thicnkness 60 mm) - CMOD - force record, a0/W = 0.6
- dataset EH36 steel for shipbuilding - tensile test record
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 30mm), a0/W = 0.5
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 30mm), a0/W = 0.6
- dataset EH36 steel for shipbuilding - fracture documentation for CTOD test (plate thicnkness 40mm), a0/W = 0.5
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